mysql for user
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This commit is contained in:
Kekskurse 2021-11-23 21:32:55 +01:00
parent 82441fc9d6
commit e887a5e9b8
Signed by: kekskurse
GPG key ID: 728ACCB59341E7E4
23 changed files with 3956 additions and 14 deletions

3
go.mod
View file

@ -7,9 +7,11 @@ require github.com/go-chi/chi/v5 v5.0.5
require (
github.com/go-chi/jwtauth/v5 v5.0.2
github.com/golang-migrate/migrate/v4 v4.15.1
github.com/jmoiron/sqlx v1.3.1
github.com/rs/zerolog v1.26.0
github.com/unrolled/render v1.4.0
github.com/urfave/cli/v2 v2.3.0
golang.org/x/crypto v0.0.0-20210921155107-089bfa567519
gopkg.in/mail.v2 v2.3.1
)
@ -31,7 +33,6 @@ require (
github.com/russross/blackfriday/v2 v2.0.1 // indirect
github.com/shurcooL/sanitized_anchor_name v1.0.0 // indirect
go.uber.org/atomic v1.6.0 // indirect
golang.org/x/crypto v0.0.0-20210921155107-089bfa567519 // indirect
golang.org/x/sys v0.0.0-20211013075003-97ac67df715c // indirect
gopkg.in/alexcesaro/quotedprintable.v3 v3.0.0-20150716171945-2caba252f4dc // indirect
)

1
go.sum
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@ -595,6 +595,7 @@ github.com/jmespath/go-jmespath v0.0.0-20180206201540-c2b33e8439af/go.mod h1:Nht
github.com/jmespath/go-jmespath v0.4.0/go.mod h1:T8mJZnbsbmF+m6zOOFylbeCJqk5+pHWvzYPziyZiYoo=
github.com/jmespath/go-jmespath/internal/testify v1.5.1/go.mod h1:L3OGu8Wl2/fWfCI6z80xFu9LTZmf1ZRjMHUOPmWr69U=
github.com/jmoiron/sqlx v1.2.0/go.mod h1:1FEQNm3xlJgrMD+FBdI9+xvCksHtbpVBBw5dYhBSsks=
github.com/jmoiron/sqlx v1.3.1 h1:aLN7YINNZ7cYOPK3QC83dbM6KT0NMqVMw961TqrejlE=
github.com/jmoiron/sqlx v1.3.1/go.mod h1:2BljVx/86SuTyjE+aPYlHCTNvZrnJXghYGpNiXLBMCQ=
github.com/joho/godotenv v1.3.0/go.mod h1:7hK45KPybAkOC6peb+G5yklZfMxEjkZhHbwpqxOKXbg=
github.com/jonboulle/clockwork v0.1.0/go.mod h1:Ii8DK3G1RaLaWxj9trq07+26W01tbo22gdxWY5EU2bo=

View file

@ -8,6 +8,7 @@ import (
"git.keks.cloud/kekskurse/go-sample-webpage/pkg/webpage"
"github.com/go-chi/chi/v5"
"github.com/go-chi/jwtauth/v5"
"github.com/jmoiron/sqlx"
gomail "gopkg.in/mail.v2"
)
@ -25,7 +26,11 @@ func main() {
Migrations: migrationFS,
Bootstrap: func(router chi.Router) {
tokenAuth := jwtauth.New("HS256", []byte("secret"), nil)
uc := user.GetUserMemmoryClient()
db, err := sqlx.Open("mysql", "root:test@tcp(localhost:3306)/test?multiStatements=true")
if err != nil {
panic(err)
}
uc := user.NewUserClientSql(db)
d := gomail.NewDialer("localhost", 1025, "from@gmail.com", "email_password")
d.TLSConfig = &tls.Config{InsecureSkipVerify: true}

View file

@ -7,6 +7,7 @@ import (
"github.com/go-chi/chi/v5"
"github.com/go-chi/jwtauth/v5"
"github.com/unrolled/render"
gomail "gopkg.in/mail.v2"
"io"
"net/http"
@ -95,7 +96,11 @@ func login(w http.ResponseWriter, r *http.Request) {
r.ParseForm()
res, _ := uc.login(r.FormValue("username"), r.FormValue("password"), false)
res, err := uc.login(r.FormValue("username"), r.FormValue("password"), false)
if err != nil {
w.Write([]byte(err.Error()))
return
}
if res {
_, tokenstring, err := tokenAuth.Encode(map[string]interface{}{"username": r.FormValue("username")})
@ -164,3 +169,4 @@ func (myrw *LayoutMiddlewareResponseWriter) Write(p []byte) (int, error) {
return myrw.buf.Write(p)
}

View file

@ -4,30 +4,27 @@ import (
"encoding/base64"
"errors"
"fmt"
"golang.org/x/crypto/bcrypt"
"log"
"math/rand"
"github.com/jmoiron/sqlx"
)
type UserClient interface {
register(username, password, email string) (bool, error)
login(username, password string, requiredMailValidation bool) (bool, error)
getMailValidationToken(email string, forceRecreate bool,) (string, error)
getMailValidationToken(email string, forceRecreate bool) (string, error)
}
type UserClientMemory struct {
users map[string]string
}
var u *UserClientMemory
func GetUserMemmoryClient() *UserClientMemory {
if u == nil {
uc := UserClientMemory{}
uc.users = make(map[string]string)
uc.users["admin"]="password"
u = &uc
}
return u
uc := UserClientMemory{}
uc.users = make(map[string]string)
uc.users["admin"]="password"
return &uc
}
func (uc *UserClientMemory) register(username, password, email string) (bool, error) {
@ -62,6 +59,92 @@ func (uc UserClientMemory) getMailValidationToken(email string, forceRecreate bo
}
type UserClientSql struct {
db *sqlx.DB
}
type User struct {
Id int `db:"id"`
Mail string `db:"mail"`
MailValidationCode *string `db:"mailValidationCode"`
MailValidate bool `db:"mailValidate"`
Username string `db:"username"`
Password string `db:"password"`
}
func NewUserClientSql(DB *sqlx.DB) *UserClientSql {
uc := UserClientSql{}
uc.db = DB
return &uc
}
func (uc *UserClientSql) register(username, password, email string) (bool, error) {
_, err := uc.db.NamedExec("INSERT INTO `user` (`mail`, `username`, `password`) VALUE (:mail, :username, :password)", map[string]interface{}{
"mail": email,
"username": username,
"password": uc.hashAndSalt([]byte(password)),
})
if err != nil {
return false, err
}
return true, nil
}
func (uc UserClientSql) login(username, password string, requiredMailValidation bool) (bool, error) {
user := User{}
err := uc.db.Get(&user, "SELECT * FROM `user` WHERE `username` = ?", username)
if err != nil {
return false, err
}
if uc.comparePasswords(user.Password, []byte(password)) == false {
return false, errors.New("Wrong password")
}
if requiredMailValidation && user.MailValidate == false {
return false, errors.New("Mail not validated")
}
return true, nil
}
func (uc UserClientSql) getMailValidationToken(email string, forceRecreate bool) (string, error) {
token := randomString(35)
token = fmt.Sprintf("%v/%v", base64.StdEncoding.EncodeToString([]byte(email)), token)
return token, nil
}
func (uc UserClientSql)hashAndSalt(pwd []byte) string {
// Use GenerateFromPassword to hash & salt pwd.
// MinCost is just an integer constant provided by the bcrypt
// package along with DefaultCost & MaxCost.
// The cost can be any value you want provided it isn't lower
// than the MinCost (4)
hash, err := bcrypt.GenerateFromPassword(pwd, bcrypt.MinCost)
if err != nil {
log.Println(err)
} // GenerateFromPassword returns a byte slice so we need to
// convert the bytes to a string and return it
return string(hash)
}
func (uc UserClientSql)comparePasswords(hashedPwd string, plainPwd []byte) bool {
byteHash := []byte(hashedPwd)
err := bcrypt.CompareHashAndPassword(byteHash, plainPwd)
if err != nil {
log.Println(err)
return false
}
return true
}
func randomString(n int) string {
var letters = []byte("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ")
b := make([]byte, n)

25
vendor/github.com/jmoiron/sqlx/.gitignore generated vendored Normal file
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@ -0,0 +1,25 @@
# Compiled Object files, Static and Dynamic libs (Shared Objects)
*.o
*.a
*.so
# Folders
_obj
_test
.idea
# Architecture specific extensions/prefixes
*.[568vq]
[568vq].out
*.cgo1.go
*.cgo2.c
_cgo_defun.c
_cgo_gotypes.go
_cgo_export.*
_testmain.go
*.exe
tags
environ

27
vendor/github.com/jmoiron/sqlx/.travis.yml generated vendored Normal file
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@ -0,0 +1,27 @@
# vim: ft=yaml sw=2 ts=2
language: go
# enable database services
services:
- mysql
- postgresql
# create test database
before_install:
- mysql -e 'CREATE DATABASE IF NOT EXISTS sqlxtest;'
- psql -c 'create database sqlxtest;' -U postgres
- go get github.com/mattn/goveralls
- export SQLX_MYSQL_DSN="travis:@/sqlxtest?parseTime=true"
- export SQLX_POSTGRES_DSN="postgres://postgres:@localhost/sqlxtest?sslmode=disable"
- export SQLX_SQLITE_DSN="$HOME/sqlxtest.db"
# go versions to test
go:
- "1.10.x"
- "1.11.x"
- "1.12.x"
# run tests w/ coverage
script:
- travis_retry $GOPATH/bin/goveralls -service=travis-ci

23
vendor/github.com/jmoiron/sqlx/LICENSE generated vendored Normal file
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@ -0,0 +1,23 @@
Copyright (c) 2013, Jason Moiron
Permission is hereby granted, free of charge, to any person
obtaining a copy of this software and associated documentation
files (the "Software"), to deal in the Software without
restriction, including without limitation the rights to use,
copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following
conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
OTHER DEALINGS IN THE SOFTWARE.

213
vendor/github.com/jmoiron/sqlx/README.md generated vendored Normal file
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@ -0,0 +1,213 @@
# sqlx
[![Build Status](https://travis-ci.org/jmoiron/sqlx.svg?branch=master)](https://travis-ci.org/jmoiron/sqlx) [![Coverage Status](https://coveralls.io/repos/github/jmoiron/sqlx/badge.svg?branch=master)](https://coveralls.io/github/jmoiron/sqlx?branch=master) [![Godoc](http://img.shields.io/badge/godoc-reference-blue.svg?style=flat)](https://godoc.org/github.com/jmoiron/sqlx) [![license](http://img.shields.io/badge/license-MIT-red.svg?style=flat)](https://raw.githubusercontent.com/jmoiron/sqlx/master/LICENSE)
sqlx is a library which provides a set of extensions on go's standard
`database/sql` library. The sqlx versions of `sql.DB`, `sql.TX`, `sql.Stmt`,
et al. all leave the underlying interfaces untouched, so that their interfaces
are a superset on the standard ones. This makes it relatively painless to
integrate existing codebases using database/sql with sqlx.
Major additional concepts are:
* Marshal rows into structs (with embedded struct support), maps, and slices
* Named parameter support including prepared statements
* `Get` and `Select` to go quickly from query to struct/slice
In addition to the [godoc API documentation](http://godoc.org/github.com/jmoiron/sqlx),
there is also some [user documentation](http://jmoiron.github.io/sqlx/) that
explains how to use `database/sql` along with sqlx.
## Recent Changes
1.3.0:
* `sqlx.DB.Connx(context.Context) *sqlx.Conn`
* `sqlx.BindDriver(driverName, bindType)`
* support for `[]map[string]interface{}` to do "batch" insertions
* allocation & perf improvements for `sqlx.In`
DB.Connx returns an `sqlx.Conn`, which is an `sql.Conn`-alike consistent with
sqlx's wrapping of other types.
`BindDriver` allows users to control the bindvars that sqlx will use for drivers,
and add new drivers at runtime. This results in a very slight performance hit
when resolving the driver into a bind type (~40ns per call), but it allows users
to specify what bindtype their driver uses even when sqlx has not been updated
to know about it by default.
### Backwards Compatibility
Compatibility with the most recent two versions of Go is a requirement for any
new changes. Compatibility beyond that is not guaranteed.
Versioning is done with Go modules. Breaking changes (eg. removing deprecated API)
will get major version number bumps.
## install
go get github.com/jmoiron/sqlx
## issues
Row headers can be ambiguous (`SELECT 1 AS a, 2 AS a`), and the result of
`Columns()` does not fully qualify column names in queries like:
```sql
SELECT a.id, a.name, b.id, b.name FROM foos AS a JOIN foos AS b ON a.parent = b.id;
```
making a struct or map destination ambiguous. Use `AS` in your queries
to give columns distinct names, `rows.Scan` to scan them manually, or
`SliceScan` to get a slice of results.
## usage
Below is an example which shows some common use cases for sqlx. Check
[sqlx_test.go](https://github.com/jmoiron/sqlx/blob/master/sqlx_test.go) for more
usage.
```go
package main
import (
"database/sql"
"fmt"
"log"
_ "github.com/lib/pq"
"github.com/jmoiron/sqlx"
)
var schema = `
CREATE TABLE person (
first_name text,
last_name text,
email text
);
CREATE TABLE place (
country text,
city text NULL,
telcode integer
)`
type Person struct {
FirstName string `db:"first_name"`
LastName string `db:"last_name"`
Email string
}
type Place struct {
Country string
City sql.NullString
TelCode int
}
func main() {
// this Pings the database trying to connect
// use sqlx.Open() for sql.Open() semantics
db, err := sqlx.Connect("postgres", "user=foo dbname=bar sslmode=disable")
if err != nil {
log.Fatalln(err)
}
// exec the schema or fail; multi-statement Exec behavior varies between
// database drivers; pq will exec them all, sqlite3 won't, ymmv
db.MustExec(schema)
tx := db.MustBegin()
tx.MustExec("INSERT INTO person (first_name, last_name, email) VALUES ($1, $2, $3)", "Jason", "Moiron", "jmoiron@jmoiron.net")
tx.MustExec("INSERT INTO person (first_name, last_name, email) VALUES ($1, $2, $3)", "John", "Doe", "johndoeDNE@gmail.net")
tx.MustExec("INSERT INTO place (country, city, telcode) VALUES ($1, $2, $3)", "United States", "New York", "1")
tx.MustExec("INSERT INTO place (country, telcode) VALUES ($1, $2)", "Hong Kong", "852")
tx.MustExec("INSERT INTO place (country, telcode) VALUES ($1, $2)", "Singapore", "65")
// Named queries can use structs, so if you have an existing struct (i.e. person := &Person{}) that you have populated, you can pass it in as &person
tx.NamedExec("INSERT INTO person (first_name, last_name, email) VALUES (:first_name, :last_name, :email)", &Person{"Jane", "Citizen", "jane.citzen@example.com"})
tx.Commit()
// Query the database, storing results in a []Person (wrapped in []interface{})
people := []Person{}
db.Select(&people, "SELECT * FROM person ORDER BY first_name ASC")
jason, john := people[0], people[1]
fmt.Printf("%#v\n%#v", jason, john)
// Person{FirstName:"Jason", LastName:"Moiron", Email:"jmoiron@jmoiron.net"}
// Person{FirstName:"John", LastName:"Doe", Email:"johndoeDNE@gmail.net"}
// You can also get a single result, a la QueryRow
jason = Person{}
err = db.Get(&jason, "SELECT * FROM person WHERE first_name=$1", "Jason")
fmt.Printf("%#v\n", jason)
// Person{FirstName:"Jason", LastName:"Moiron", Email:"jmoiron@jmoiron.net"}
// if you have null fields and use SELECT *, you must use sql.Null* in your struct
places := []Place{}
err = db.Select(&places, "SELECT * FROM place ORDER BY telcode ASC")
if err != nil {
fmt.Println(err)
return
}
usa, singsing, honkers := places[0], places[1], places[2]
fmt.Printf("%#v\n%#v\n%#v\n", usa, singsing, honkers)
// Place{Country:"United States", City:sql.NullString{String:"New York", Valid:true}, TelCode:1}
// Place{Country:"Singapore", City:sql.NullString{String:"", Valid:false}, TelCode:65}
// Place{Country:"Hong Kong", City:sql.NullString{String:"", Valid:false}, TelCode:852}
// Loop through rows using only one struct
place := Place{}
rows, err := db.Queryx("SELECT * FROM place")
for rows.Next() {
err := rows.StructScan(&place)
if err != nil {
log.Fatalln(err)
}
fmt.Printf("%#v\n", place)
}
// Place{Country:"United States", City:sql.NullString{String:"New York", Valid:true}, TelCode:1}
// Place{Country:"Hong Kong", City:sql.NullString{String:"", Valid:false}, TelCode:852}
// Place{Country:"Singapore", City:sql.NullString{String:"", Valid:false}, TelCode:65}
// Named queries, using `:name` as the bindvar. Automatic bindvar support
// which takes into account the dbtype based on the driverName on sqlx.Open/Connect
_, err = db.NamedExec(`INSERT INTO person (first_name,last_name,email) VALUES (:first,:last,:email)`,
map[string]interface{}{
"first": "Bin",
"last": "Smuth",
"email": "bensmith@allblacks.nz",
})
// Selects Mr. Smith from the database
rows, err = db.NamedQuery(`SELECT * FROM person WHERE first_name=:fn`, map[string]interface{}{"fn": "Bin"})
// Named queries can also use structs. Their bind names follow the same rules
// as the name -> db mapping, so struct fields are lowercased and the `db` tag
// is taken into consideration.
rows, err = db.NamedQuery(`SELECT * FROM person WHERE first_name=:first_name`, jason)
// batch insert
// batch insert with structs
personStructs := []Person{
{FirstName: "Ardie", LastName: "Savea", Email: "asavea@ab.co.nz"},
{FirstName: "Sonny Bill", LastName: "Williams", Email: "sbw@ab.co.nz"},
{FirstName: "Ngani", LastName: "Laumape", Email: "nlaumape@ab.co.nz"},
}
_, err = db.NamedExec(`INSERT INTO person (first_name, last_name, email)
VALUES (:first_name, :last_name, :email)`, personStructs)
// batch insert with maps
personMaps := []map[string]interface{}{
{"first_name": "Ardie", "last_name": "Savea", "email": "asavea@ab.co.nz"},
{"first_name": "Sonny Bill", "last_name": "Williams", "email": "sbw@ab.co.nz"},
{"first_name": "Ngani", "last_name": "Laumape", "email": "nlaumape@ab.co.nz"},
}
_, err = db.NamedExec(`INSERT INTO person (first_name, last_name, email)
VALUES (:first_name, :last_name, :email)`, personMaps)
}
```

265
vendor/github.com/jmoiron/sqlx/bind.go generated vendored Normal file
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@ -0,0 +1,265 @@
package sqlx
import (
"bytes"
"database/sql/driver"
"errors"
"reflect"
"strconv"
"strings"
"sync"
"github.com/jmoiron/sqlx/reflectx"
)
// Bindvar types supported by Rebind, BindMap and BindStruct.
const (
UNKNOWN = iota
QUESTION
DOLLAR
NAMED
AT
)
var defaultBinds = map[int][]string{
DOLLAR: []string{"postgres", "pgx", "pq-timeouts", "cloudsqlpostgres", "ql", "nrpostgres", "cockroach"},
QUESTION: []string{"mysql", "sqlite3", "nrmysql", "nrsqlite3"},
NAMED: []string{"oci8", "ora", "goracle"},
AT: []string{"sqlserver"},
}
var binds sync.Map
func init() {
for bind, drivers := range defaultBinds {
for _, driver := range drivers {
BindDriver(driver, bind)
}
}
}
// BindType returns the bindtype for a given database given a drivername.
func BindType(driverName string) int {
itype, ok := binds.Load(driverName)
if !ok {
return UNKNOWN
}
return itype.(int)
}
// BindDriver sets the BindType for driverName to bindType.
func BindDriver(driverName string, bindType int) {
binds.Store(driverName, bindType)
}
// FIXME: this should be able to be tolerant of escaped ?'s in queries without
// losing much speed, and should be to avoid confusion.
// Rebind a query from the default bindtype (QUESTION) to the target bindtype.
func Rebind(bindType int, query string) string {
switch bindType {
case QUESTION, UNKNOWN:
return query
}
// Add space enough for 10 params before we have to allocate
rqb := make([]byte, 0, len(query)+10)
var i, j int
for i = strings.Index(query, "?"); i != -1; i = strings.Index(query, "?") {
rqb = append(rqb, query[:i]...)
switch bindType {
case DOLLAR:
rqb = append(rqb, '$')
case NAMED:
rqb = append(rqb, ':', 'a', 'r', 'g')
case AT:
rqb = append(rqb, '@', 'p')
}
j++
rqb = strconv.AppendInt(rqb, int64(j), 10)
query = query[i+1:]
}
return string(append(rqb, query...))
}
// Experimental implementation of Rebind which uses a bytes.Buffer. The code is
// much simpler and should be more resistant to odd unicode, but it is twice as
// slow. Kept here for benchmarking purposes and to possibly replace Rebind if
// problems arise with its somewhat naive handling of unicode.
func rebindBuff(bindType int, query string) string {
if bindType != DOLLAR {
return query
}
b := make([]byte, 0, len(query))
rqb := bytes.NewBuffer(b)
j := 1
for _, r := range query {
if r == '?' {
rqb.WriteRune('$')
rqb.WriteString(strconv.Itoa(j))
j++
} else {
rqb.WriteRune(r)
}
}
return rqb.String()
}
func asSliceForIn(i interface{}) (v reflect.Value, ok bool) {
if i == nil {
return reflect.Value{}, false
}
v = reflect.ValueOf(i)
t := reflectx.Deref(v.Type())
// Only expand slices
if t.Kind() != reflect.Slice {
return reflect.Value{}, false
}
// []byte is a driver.Value type so it should not be expanded
if t == reflect.TypeOf([]byte{}) {
return reflect.Value{}, false
}
return v, true
}
// In expands slice values in args, returning the modified query string
// and a new arg list that can be executed by a database. The `query` should
// use the `?` bindVar. The return value uses the `?` bindVar.
func In(query string, args ...interface{}) (string, []interface{}, error) {
// argMeta stores reflect.Value and length for slices and
// the value itself for non-slice arguments
type argMeta struct {
v reflect.Value
i interface{}
length int
}
var flatArgsCount int
var anySlices bool
var stackMeta [32]argMeta
var meta []argMeta
if len(args) <= len(stackMeta) {
meta = stackMeta[:len(args)]
} else {
meta = make([]argMeta, len(args))
}
for i, arg := range args {
if a, ok := arg.(driver.Valuer); ok {
var err error
arg, err = a.Value()
if err != nil {
return "", nil, err
}
}
if v, ok := asSliceForIn(arg); ok {
meta[i].length = v.Len()
meta[i].v = v
anySlices = true
flatArgsCount += meta[i].length
if meta[i].length == 0 {
return "", nil, errors.New("empty slice passed to 'in' query")
}
} else {
meta[i].i = arg
flatArgsCount++
}
}
// don't do any parsing if there aren't any slices; note that this means
// some errors that we might have caught below will not be returned.
if !anySlices {
return query, args, nil
}
newArgs := make([]interface{}, 0, flatArgsCount)
var buf strings.Builder
buf.Grow(len(query) + len(", ?")*flatArgsCount)
var arg, offset int
for i := strings.IndexByte(query[offset:], '?'); i != -1; i = strings.IndexByte(query[offset:], '?') {
if arg >= len(meta) {
// if an argument wasn't passed, lets return an error; this is
// not actually how database/sql Exec/Query works, but since we are
// creating an argument list programmatically, we want to be able
// to catch these programmer errors earlier.
return "", nil, errors.New("number of bindVars exceeds arguments")
}
argMeta := meta[arg]
arg++
// not a slice, continue.
// our questionmark will either be written before the next expansion
// of a slice or after the loop when writing the rest of the query
if argMeta.length == 0 {
offset = offset + i + 1
newArgs = append(newArgs, argMeta.i)
continue
}
// write everything up to and including our ? character
buf.WriteString(query[:offset+i+1])
for si := 1; si < argMeta.length; si++ {
buf.WriteString(", ?")
}
newArgs = appendReflectSlice(newArgs, argMeta.v, argMeta.length)
// slice the query and reset the offset. this avoids some bookkeeping for
// the write after the loop
query = query[offset+i+1:]
offset = 0
}
buf.WriteString(query)
if arg < len(meta) {
return "", nil, errors.New("number of bindVars less than number arguments")
}
return buf.String(), newArgs, nil
}
func appendReflectSlice(args []interface{}, v reflect.Value, vlen int) []interface{} {
switch val := v.Interface().(type) {
case []interface{}:
args = append(args, val...)
case []int:
for i := range val {
args = append(args, val[i])
}
case []string:
for i := range val {
args = append(args, val[i])
}
default:
for si := 0; si < vlen; si++ {
args = append(args, v.Index(si).Interface())
}
}
return args
}

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// Package sqlx provides general purpose extensions to database/sql.
//
// It is intended to seamlessly wrap database/sql and provide convenience
// methods which are useful in the development of database driven applications.
// None of the underlying database/sql methods are changed. Instead all extended
// behavior is implemented through new methods defined on wrapper types.
//
// Additions include scanning into structs, named query support, rebinding
// queries for different drivers, convenient shorthands for common error handling
// and more.
//
package sqlx

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package sqlx
// Named Query Support
//
// * BindMap - bind query bindvars to map/struct args
// * NamedExec, NamedQuery - named query w/ struct or map
// * NamedStmt - a pre-compiled named query which is a prepared statement
//
// Internal Interfaces:
//
// * compileNamedQuery - rebind a named query, returning a query and list of names
// * bindArgs, bindMapArgs, bindAnyArgs - given a list of names, return an arglist
//
import (
"bytes"
"database/sql"
"errors"
"fmt"
"reflect"
"regexp"
"strconv"
"unicode"
"github.com/jmoiron/sqlx/reflectx"
)
// NamedStmt is a prepared statement that executes named queries. Prepare it
// how you would execute a NamedQuery, but pass in a struct or map when executing.
type NamedStmt struct {
Params []string
QueryString string
Stmt *Stmt
}
// Close closes the named statement.
func (n *NamedStmt) Close() error {
return n.Stmt.Close()
}
// Exec executes a named statement using the struct passed.
// Any named placeholder parameters are replaced with fields from arg.
func (n *NamedStmt) Exec(arg interface{}) (sql.Result, error) {
args, err := bindAnyArgs(n.Params, arg, n.Stmt.Mapper)
if err != nil {
return *new(sql.Result), err
}
return n.Stmt.Exec(args...)
}
// Query executes a named statement using the struct argument, returning rows.
// Any named placeholder parameters are replaced with fields from arg.
func (n *NamedStmt) Query(arg interface{}) (*sql.Rows, error) {
args, err := bindAnyArgs(n.Params, arg, n.Stmt.Mapper)
if err != nil {
return nil, err
}
return n.Stmt.Query(args...)
}
// QueryRow executes a named statement against the database. Because sqlx cannot
// create a *sql.Row with an error condition pre-set for binding errors, sqlx
// returns a *sqlx.Row instead.
// Any named placeholder parameters are replaced with fields from arg.
func (n *NamedStmt) QueryRow(arg interface{}) *Row {
args, err := bindAnyArgs(n.Params, arg, n.Stmt.Mapper)
if err != nil {
return &Row{err: err}
}
return n.Stmt.QueryRowx(args...)
}
// MustExec execs a NamedStmt, panicing on error
// Any named placeholder parameters are replaced with fields from arg.
func (n *NamedStmt) MustExec(arg interface{}) sql.Result {
res, err := n.Exec(arg)
if err != nil {
panic(err)
}
return res
}
// Queryx using this NamedStmt
// Any named placeholder parameters are replaced with fields from arg.
func (n *NamedStmt) Queryx(arg interface{}) (*Rows, error) {
r, err := n.Query(arg)
if err != nil {
return nil, err
}
return &Rows{Rows: r, Mapper: n.Stmt.Mapper, unsafe: isUnsafe(n)}, err
}
// QueryRowx this NamedStmt. Because of limitations with QueryRow, this is
// an alias for QueryRow.
// Any named placeholder parameters are replaced with fields from arg.
func (n *NamedStmt) QueryRowx(arg interface{}) *Row {
return n.QueryRow(arg)
}
// Select using this NamedStmt
// Any named placeholder parameters are replaced with fields from arg.
func (n *NamedStmt) Select(dest interface{}, arg interface{}) error {
rows, err := n.Queryx(arg)
if err != nil {
return err
}
// if something happens here, we want to make sure the rows are Closed
defer rows.Close()
return scanAll(rows, dest, false)
}
// Get using this NamedStmt
// Any named placeholder parameters are replaced with fields from arg.
func (n *NamedStmt) Get(dest interface{}, arg interface{}) error {
r := n.QueryRowx(arg)
return r.scanAny(dest, false)
}
// Unsafe creates an unsafe version of the NamedStmt
func (n *NamedStmt) Unsafe() *NamedStmt {
r := &NamedStmt{Params: n.Params, Stmt: n.Stmt, QueryString: n.QueryString}
r.Stmt.unsafe = true
return r
}
// A union interface of preparer and binder, required to be able to prepare
// named statements (as the bindtype must be determined).
type namedPreparer interface {
Preparer
binder
}
func prepareNamed(p namedPreparer, query string) (*NamedStmt, error) {
bindType := BindType(p.DriverName())
q, args, err := compileNamedQuery([]byte(query), bindType)
if err != nil {
return nil, err
}
stmt, err := Preparex(p, q)
if err != nil {
return nil, err
}
return &NamedStmt{
QueryString: q,
Params: args,
Stmt: stmt,
}, nil
}
// convertMapStringInterface attempts to convert v to map[string]interface{}.
// Unlike v.(map[string]interface{}), this function works on named types that
// are convertible to map[string]interface{} as well.
func convertMapStringInterface(v interface{}) (map[string]interface{}, bool) {
var m map[string]interface{}
mtype := reflect.TypeOf(m)
t := reflect.TypeOf(v)
if !t.ConvertibleTo(mtype) {
return nil, false
}
return reflect.ValueOf(v).Convert(mtype).Interface().(map[string]interface{}), true
}
func bindAnyArgs(names []string, arg interface{}, m *reflectx.Mapper) ([]interface{}, error) {
if maparg, ok := convertMapStringInterface(arg); ok {
return bindMapArgs(names, maparg)
}
return bindArgs(names, arg, m)
}
// private interface to generate a list of interfaces from a given struct
// type, given a list of names to pull out of the struct. Used by public
// BindStruct interface.
func bindArgs(names []string, arg interface{}, m *reflectx.Mapper) ([]interface{}, error) {
arglist := make([]interface{}, 0, len(names))
// grab the indirected value of arg
v := reflect.ValueOf(arg)
for v = reflect.ValueOf(arg); v.Kind() == reflect.Ptr; {
v = v.Elem()
}
err := m.TraversalsByNameFunc(v.Type(), names, func(i int, t []int) error {
if len(t) == 0 {
return fmt.Errorf("could not find name %s in %#v", names[i], arg)
}
val := reflectx.FieldByIndexesReadOnly(v, t)
arglist = append(arglist, val.Interface())
return nil
})
return arglist, err
}
// like bindArgs, but for maps.
func bindMapArgs(names []string, arg map[string]interface{}) ([]interface{}, error) {
arglist := make([]interface{}, 0, len(names))
for _, name := range names {
val, ok := arg[name]
if !ok {
return arglist, fmt.Errorf("could not find name %s in %#v", name, arg)
}
arglist = append(arglist, val)
}
return arglist, nil
}
// bindStruct binds a named parameter query with fields from a struct argument.
// The rules for binding field names to parameter names follow the same
// conventions as for StructScan, including obeying the `db` struct tags.
func bindStruct(bindType int, query string, arg interface{}, m *reflectx.Mapper) (string, []interface{}, error) {
bound, names, err := compileNamedQuery([]byte(query), bindType)
if err != nil {
return "", []interface{}{}, err
}
arglist, err := bindAnyArgs(names, arg, m)
if err != nil {
return "", []interface{}{}, err
}
return bound, arglist, nil
}
var valueBracketReg = regexp.MustCompile(`\([^(]*.[^(]\)$`)
func fixBound(bound string, loop int) string {
loc := valueBracketReg.FindStringIndex(bound)
if len(loc) != 2 {
return bound
}
var buffer bytes.Buffer
buffer.WriteString(bound[0:loc[1]])
for i := 0; i < loop-1; i++ {
buffer.WriteString(",")
buffer.WriteString(bound[loc[0]:loc[1]])
}
buffer.WriteString(bound[loc[1]:])
return buffer.String()
}
// bindArray binds a named parameter query with fields from an array or slice of
// structs argument.
func bindArray(bindType int, query string, arg interface{}, m *reflectx.Mapper) (string, []interface{}, error) {
// do the initial binding with QUESTION; if bindType is not question,
// we can rebind it at the end.
bound, names, err := compileNamedQuery([]byte(query), QUESTION)
if err != nil {
return "", []interface{}{}, err
}
arrayValue := reflect.ValueOf(arg)
arrayLen := arrayValue.Len()
if arrayLen == 0 {
return "", []interface{}{}, fmt.Errorf("length of array is 0: %#v", arg)
}
var arglist = make([]interface{}, 0, len(names)*arrayLen)
for i := 0; i < arrayLen; i++ {
elemArglist, err := bindAnyArgs(names, arrayValue.Index(i).Interface(), m)
if err != nil {
return "", []interface{}{}, err
}
arglist = append(arglist, elemArglist...)
}
if arrayLen > 1 {
bound = fixBound(bound, arrayLen)
}
// adjust binding type if we weren't on question
if bindType != QUESTION {
bound = Rebind(bindType, bound)
}
return bound, arglist, nil
}
// bindMap binds a named parameter query with a map of arguments.
func bindMap(bindType int, query string, args map[string]interface{}) (string, []interface{}, error) {
bound, names, err := compileNamedQuery([]byte(query), bindType)
if err != nil {
return "", []interface{}{}, err
}
arglist, err := bindMapArgs(names, args)
return bound, arglist, err
}
// -- Compilation of Named Queries
// Allow digits and letters in bind params; additionally runes are
// checked against underscores, meaning that bind params can have be
// alphanumeric with underscores. Mind the difference between unicode
// digits and numbers, where '5' is a digit but '五' is not.
var allowedBindRunes = []*unicode.RangeTable{unicode.Letter, unicode.Digit}
// FIXME: this function isn't safe for unicode named params, as a failing test
// can testify. This is not a regression but a failure of the original code
// as well. It should be modified to range over runes in a string rather than
// bytes, even though this is less convenient and slower. Hopefully the
// addition of the prepared NamedStmt (which will only do this once) will make
// up for the slightly slower ad-hoc NamedExec/NamedQuery.
// compile a NamedQuery into an unbound query (using the '?' bindvar) and
// a list of names.
func compileNamedQuery(qs []byte, bindType int) (query string, names []string, err error) {
names = make([]string, 0, 10)
rebound := make([]byte, 0, len(qs))
inName := false
last := len(qs) - 1
currentVar := 1
name := make([]byte, 0, 10)
for i, b := range qs {
// a ':' while we're in a name is an error
if b == ':' {
// if this is the second ':' in a '::' escape sequence, append a ':'
if inName && i > 0 && qs[i-1] == ':' {
rebound = append(rebound, ':')
inName = false
continue
} else if inName {
err = errors.New("unexpected `:` while reading named param at " + strconv.Itoa(i))
return query, names, err
}
inName = true
name = []byte{}
} else if inName && i > 0 && b == '=' && len(name) == 0 {
rebound = append(rebound, ':', '=')
inName = false
continue
// if we're in a name, and this is an allowed character, continue
} else if inName && (unicode.IsOneOf(allowedBindRunes, rune(b)) || b == '_' || b == '.') && i != last {
// append the byte to the name if we are in a name and not on the last byte
name = append(name, b)
// if we're in a name and it's not an allowed character, the name is done
} else if inName {
inName = false
// if this is the final byte of the string and it is part of the name, then
// make sure to add it to the name
if i == last && unicode.IsOneOf(allowedBindRunes, rune(b)) {
name = append(name, b)
}
// add the string representation to the names list
names = append(names, string(name))
// add a proper bindvar for the bindType
switch bindType {
// oracle only supports named type bind vars even for positional
case NAMED:
rebound = append(rebound, ':')
rebound = append(rebound, name...)
case QUESTION, UNKNOWN:
rebound = append(rebound, '?')
case DOLLAR:
rebound = append(rebound, '$')
for _, b := range strconv.Itoa(currentVar) {
rebound = append(rebound, byte(b))
}
currentVar++
case AT:
rebound = append(rebound, '@', 'p')
for _, b := range strconv.Itoa(currentVar) {
rebound = append(rebound, byte(b))
}
currentVar++
}
// add this byte to string unless it was not part of the name
if i != last {
rebound = append(rebound, b)
} else if !unicode.IsOneOf(allowedBindRunes, rune(b)) {
rebound = append(rebound, b)
}
} else {
// this is a normal byte and should just go onto the rebound query
rebound = append(rebound, b)
}
}
return string(rebound), names, err
}
// BindNamed binds a struct or a map to a query with named parameters.
// DEPRECATED: use sqlx.Named` instead of this, it may be removed in future.
func BindNamed(bindType int, query string, arg interface{}) (string, []interface{}, error) {
return bindNamedMapper(bindType, query, arg, mapper())
}
// Named takes a query using named parameters and an argument and
// returns a new query with a list of args that can be executed by
// a database. The return value uses the `?` bindvar.
func Named(query string, arg interface{}) (string, []interface{}, error) {
return bindNamedMapper(QUESTION, query, arg, mapper())
}
func bindNamedMapper(bindType int, query string, arg interface{}, m *reflectx.Mapper) (string, []interface{}, error) {
t := reflect.TypeOf(arg)
k := t.Kind()
switch {
case k == reflect.Map && t.Key().Kind() == reflect.String:
m, ok := convertMapStringInterface(arg)
if !ok {
return "", nil, fmt.Errorf("sqlx.bindNamedMapper: unsupported map type: %T", arg)
}
return bindMap(bindType, query, m)
case k == reflect.Array || k == reflect.Slice:
return bindArray(bindType, query, arg, m)
default:
return bindStruct(bindType, query, arg, m)
}
}
// NamedQuery binds a named query and then runs Query on the result using the
// provided Ext (sqlx.Tx, sqlx.Db). It works with both structs and with
// map[string]interface{} types.
func NamedQuery(e Ext, query string, arg interface{}) (*Rows, error) {
q, args, err := bindNamedMapper(BindType(e.DriverName()), query, arg, mapperFor(e))
if err != nil {
return nil, err
}
return e.Queryx(q, args...)
}
// NamedExec uses BindStruct to get a query executable by the driver and
// then runs Exec on the result. Returns an error from the binding
// or the query execution itself.
func NamedExec(e Ext, query string, arg interface{}) (sql.Result, error) {
q, args, err := bindNamedMapper(BindType(e.DriverName()), query, arg, mapperFor(e))
if err != nil {
return nil, err
}
return e.Exec(q, args...)
}

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// +build go1.8
package sqlx
import (
"context"
"database/sql"
)
// A union interface of contextPreparer and binder, required to be able to
// prepare named statements with context (as the bindtype must be determined).
type namedPreparerContext interface {
PreparerContext
binder
}
func prepareNamedContext(ctx context.Context, p namedPreparerContext, query string) (*NamedStmt, error) {
bindType := BindType(p.DriverName())
q, args, err := compileNamedQuery([]byte(query), bindType)
if err != nil {
return nil, err
}
stmt, err := PreparexContext(ctx, p, q)
if err != nil {
return nil, err
}
return &NamedStmt{
QueryString: q,
Params: args,
Stmt: stmt,
}, nil
}
// ExecContext executes a named statement using the struct passed.
// Any named placeholder parameters are replaced with fields from arg.
func (n *NamedStmt) ExecContext(ctx context.Context, arg interface{}) (sql.Result, error) {
args, err := bindAnyArgs(n.Params, arg, n.Stmt.Mapper)
if err != nil {
return *new(sql.Result), err
}
return n.Stmt.ExecContext(ctx, args...)
}
// QueryContext executes a named statement using the struct argument, returning rows.
// Any named placeholder parameters are replaced with fields from arg.
func (n *NamedStmt) QueryContext(ctx context.Context, arg interface{}) (*sql.Rows, error) {
args, err := bindAnyArgs(n.Params, arg, n.Stmt.Mapper)
if err != nil {
return nil, err
}
return n.Stmt.QueryContext(ctx, args...)
}
// QueryRowContext executes a named statement against the database. Because sqlx cannot
// create a *sql.Row with an error condition pre-set for binding errors, sqlx
// returns a *sqlx.Row instead.
// Any named placeholder parameters are replaced with fields from arg.
func (n *NamedStmt) QueryRowContext(ctx context.Context, arg interface{}) *Row {
args, err := bindAnyArgs(n.Params, arg, n.Stmt.Mapper)
if err != nil {
return &Row{err: err}
}
return n.Stmt.QueryRowxContext(ctx, args...)
}
// MustExecContext execs a NamedStmt, panicing on error
// Any named placeholder parameters are replaced with fields from arg.
func (n *NamedStmt) MustExecContext(ctx context.Context, arg interface{}) sql.Result {
res, err := n.ExecContext(ctx, arg)
if err != nil {
panic(err)
}
return res
}
// QueryxContext using this NamedStmt
// Any named placeholder parameters are replaced with fields from arg.
func (n *NamedStmt) QueryxContext(ctx context.Context, arg interface{}) (*Rows, error) {
r, err := n.QueryContext(ctx, arg)
if err != nil {
return nil, err
}
return &Rows{Rows: r, Mapper: n.Stmt.Mapper, unsafe: isUnsafe(n)}, err
}
// QueryRowxContext this NamedStmt. Because of limitations with QueryRow, this is
// an alias for QueryRow.
// Any named placeholder parameters are replaced with fields from arg.
func (n *NamedStmt) QueryRowxContext(ctx context.Context, arg interface{}) *Row {
return n.QueryRowContext(ctx, arg)
}
// SelectContext using this NamedStmt
// Any named placeholder parameters are replaced with fields from arg.
func (n *NamedStmt) SelectContext(ctx context.Context, dest interface{}, arg interface{}) error {
rows, err := n.QueryxContext(ctx, arg)
if err != nil {
return err
}
// if something happens here, we want to make sure the rows are Closed
defer rows.Close()
return scanAll(rows, dest, false)
}
// GetContext using this NamedStmt
// Any named placeholder parameters are replaced with fields from arg.
func (n *NamedStmt) GetContext(ctx context.Context, dest interface{}, arg interface{}) error {
r := n.QueryRowxContext(ctx, arg)
return r.scanAny(dest, false)
}
// NamedQueryContext binds a named query and then runs Query on the result using the
// provided Ext (sqlx.Tx, sqlx.Db). It works with both structs and with
// map[string]interface{} types.
func NamedQueryContext(ctx context.Context, e ExtContext, query string, arg interface{}) (*Rows, error) {
q, args, err := bindNamedMapper(BindType(e.DriverName()), query, arg, mapperFor(e))
if err != nil {
return nil, err
}
return e.QueryxContext(ctx, q, args...)
}
// NamedExecContext uses BindStruct to get a query executable by the driver and
// then runs Exec on the result. Returns an error from the binding
// or the query execution itself.
func NamedExecContext(ctx context.Context, e ExtContext, query string, arg interface{}) (sql.Result, error) {
q, args, err := bindNamedMapper(BindType(e.DriverName()), query, arg, mapperFor(e))
if err != nil {
return nil, err
}
return e.ExecContext(ctx, q, args...)
}

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# reflectx
The sqlx package has special reflect needs. In particular, it needs to:
* be able to map a name to a field
* understand embedded structs
* understand mapping names to fields by a particular tag
* user specified name -> field mapping functions
These behaviors mimic the behaviors by the standard library marshallers and also the
behavior of standard Go accessors.
The first two are amply taken care of by `Reflect.Value.FieldByName`, and the third is
addressed by `Reflect.Value.FieldByNameFunc`, but these don't quite understand struct
tags in the ways that are vital to most marshallers, and they are slow.
This reflectx package extends reflect to achieve these goals.

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// Package reflectx implements extensions to the standard reflect lib suitable
// for implementing marshalling and unmarshalling packages. The main Mapper type
// allows for Go-compatible named attribute access, including accessing embedded
// struct attributes and the ability to use functions and struct tags to
// customize field names.
//
package reflectx
import (
"reflect"
"runtime"
"strings"
"sync"
)
// A FieldInfo is metadata for a struct field.
type FieldInfo struct {
Index []int
Path string
Field reflect.StructField
Zero reflect.Value
Name string
Options map[string]string
Embedded bool
Children []*FieldInfo
Parent *FieldInfo
}
// A StructMap is an index of field metadata for a struct.
type StructMap struct {
Tree *FieldInfo
Index []*FieldInfo
Paths map[string]*FieldInfo
Names map[string]*FieldInfo
}
// GetByPath returns a *FieldInfo for a given string path.
func (f StructMap) GetByPath(path string) *FieldInfo {
return f.Paths[path]
}
// GetByTraversal returns a *FieldInfo for a given integer path. It is
// analogous to reflect.FieldByIndex, but using the cached traversal
// rather than re-executing the reflect machinery each time.
func (f StructMap) GetByTraversal(index []int) *FieldInfo {
if len(index) == 0 {
return nil
}
tree := f.Tree
for _, i := range index {
if i >= len(tree.Children) || tree.Children[i] == nil {
return nil
}
tree = tree.Children[i]
}
return tree
}
// Mapper is a general purpose mapper of names to struct fields. A Mapper
// behaves like most marshallers in the standard library, obeying a field tag
// for name mapping but also providing a basic transform function.
type Mapper struct {
cache map[reflect.Type]*StructMap
tagName string
tagMapFunc func(string) string
mapFunc func(string) string
mutex sync.Mutex
}
// NewMapper returns a new mapper using the tagName as its struct field tag.
// If tagName is the empty string, it is ignored.
func NewMapper(tagName string) *Mapper {
return &Mapper{
cache: make(map[reflect.Type]*StructMap),
tagName: tagName,
}
}
// NewMapperTagFunc returns a new mapper which contains a mapper for field names
// AND a mapper for tag values. This is useful for tags like json which can
// have values like "name,omitempty".
func NewMapperTagFunc(tagName string, mapFunc, tagMapFunc func(string) string) *Mapper {
return &Mapper{
cache: make(map[reflect.Type]*StructMap),
tagName: tagName,
mapFunc: mapFunc,
tagMapFunc: tagMapFunc,
}
}
// NewMapperFunc returns a new mapper which optionally obeys a field tag and
// a struct field name mapper func given by f. Tags will take precedence, but
// for any other field, the mapped name will be f(field.Name)
func NewMapperFunc(tagName string, f func(string) string) *Mapper {
return &Mapper{
cache: make(map[reflect.Type]*StructMap),
tagName: tagName,
mapFunc: f,
}
}
// TypeMap returns a mapping of field strings to int slices representing
// the traversal down the struct to reach the field.
func (m *Mapper) TypeMap(t reflect.Type) *StructMap {
m.mutex.Lock()
mapping, ok := m.cache[t]
if !ok {
mapping = getMapping(t, m.tagName, m.mapFunc, m.tagMapFunc)
m.cache[t] = mapping
}
m.mutex.Unlock()
return mapping
}
// FieldMap returns the mapper's mapping of field names to reflect values. Panics
// if v's Kind is not Struct, or v is not Indirectable to a struct kind.
func (m *Mapper) FieldMap(v reflect.Value) map[string]reflect.Value {
v = reflect.Indirect(v)
mustBe(v, reflect.Struct)
r := map[string]reflect.Value{}
tm := m.TypeMap(v.Type())
for tagName, fi := range tm.Names {
r[tagName] = FieldByIndexes(v, fi.Index)
}
return r
}
// FieldByName returns a field by its mapped name as a reflect.Value.
// Panics if v's Kind is not Struct or v is not Indirectable to a struct Kind.
// Returns zero Value if the name is not found.
func (m *Mapper) FieldByName(v reflect.Value, name string) reflect.Value {
v = reflect.Indirect(v)
mustBe(v, reflect.Struct)
tm := m.TypeMap(v.Type())
fi, ok := tm.Names[name]
if !ok {
return v
}
return FieldByIndexes(v, fi.Index)
}
// FieldsByName returns a slice of values corresponding to the slice of names
// for the value. Panics if v's Kind is not Struct or v is not Indirectable
// to a struct Kind. Returns zero Value for each name not found.
func (m *Mapper) FieldsByName(v reflect.Value, names []string) []reflect.Value {
v = reflect.Indirect(v)
mustBe(v, reflect.Struct)
tm := m.TypeMap(v.Type())
vals := make([]reflect.Value, 0, len(names))
for _, name := range names {
fi, ok := tm.Names[name]
if !ok {
vals = append(vals, *new(reflect.Value))
} else {
vals = append(vals, FieldByIndexes(v, fi.Index))
}
}
return vals
}
// TraversalsByName returns a slice of int slices which represent the struct
// traversals for each mapped name. Panics if t is not a struct or Indirectable
// to a struct. Returns empty int slice for each name not found.
func (m *Mapper) TraversalsByName(t reflect.Type, names []string) [][]int {
r := make([][]int, 0, len(names))
m.TraversalsByNameFunc(t, names, func(_ int, i []int) error {
if i == nil {
r = append(r, []int{})
} else {
r = append(r, i)
}
return nil
})
return r
}
// TraversalsByNameFunc traverses the mapped names and calls fn with the index of
// each name and the struct traversal represented by that name. Panics if t is not
// a struct or Indirectable to a struct. Returns the first error returned by fn or nil.
func (m *Mapper) TraversalsByNameFunc(t reflect.Type, names []string, fn func(int, []int) error) error {
t = Deref(t)
mustBe(t, reflect.Struct)
tm := m.TypeMap(t)
for i, name := range names {
fi, ok := tm.Names[name]
if !ok {
if err := fn(i, nil); err != nil {
return err
}
} else {
if err := fn(i, fi.Index); err != nil {
return err
}
}
}
return nil
}
// FieldByIndexes returns a value for the field given by the struct traversal
// for the given value.
func FieldByIndexes(v reflect.Value, indexes []int) reflect.Value {
for _, i := range indexes {
v = reflect.Indirect(v).Field(i)
// if this is a pointer and it's nil, allocate a new value and set it
if v.Kind() == reflect.Ptr && v.IsNil() {
alloc := reflect.New(Deref(v.Type()))
v.Set(alloc)
}
if v.Kind() == reflect.Map && v.IsNil() {
v.Set(reflect.MakeMap(v.Type()))
}
}
return v
}
// FieldByIndexesReadOnly returns a value for a particular struct traversal,
// but is not concerned with allocating nil pointers because the value is
// going to be used for reading and not setting.
func FieldByIndexesReadOnly(v reflect.Value, indexes []int) reflect.Value {
for _, i := range indexes {
v = reflect.Indirect(v).Field(i)
}
return v
}
// Deref is Indirect for reflect.Types
func Deref(t reflect.Type) reflect.Type {
if t.Kind() == reflect.Ptr {
t = t.Elem()
}
return t
}
// -- helpers & utilities --
type kinder interface {
Kind() reflect.Kind
}
// mustBe checks a value against a kind, panicing with a reflect.ValueError
// if the kind isn't that which is required.
func mustBe(v kinder, expected reflect.Kind) {
if k := v.Kind(); k != expected {
panic(&reflect.ValueError{Method: methodName(), Kind: k})
}
}
// methodName returns the caller of the function calling methodName
func methodName() string {
pc, _, _, _ := runtime.Caller(2)
f := runtime.FuncForPC(pc)
if f == nil {
return "unknown method"
}
return f.Name()
}
type typeQueue struct {
t reflect.Type
fi *FieldInfo
pp string // Parent path
}
// A copying append that creates a new slice each time.
func apnd(is []int, i int) []int {
x := make([]int, len(is)+1)
copy(x, is)
x[len(x)-1] = i
return x
}
type mapf func(string) string
// parseName parses the tag and the target name for the given field using
// the tagName (eg 'json' for `json:"foo"` tags), mapFunc for mapping the
// field's name to a target name, and tagMapFunc for mapping the tag to
// a target name.
func parseName(field reflect.StructField, tagName string, mapFunc, tagMapFunc mapf) (tag, fieldName string) {
// first, set the fieldName to the field's name
fieldName = field.Name
// if a mapFunc is set, use that to override the fieldName
if mapFunc != nil {
fieldName = mapFunc(fieldName)
}
// if there's no tag to look for, return the field name
if tagName == "" {
return "", fieldName
}
// if this tag is not set using the normal convention in the tag,
// then return the fieldname.. this check is done because according
// to the reflect documentation:
// If the tag does not have the conventional format,
// the value returned by Get is unspecified.
// which doesn't sound great.
if !strings.Contains(string(field.Tag), tagName+":") {
return "", fieldName
}
// at this point we're fairly sure that we have a tag, so lets pull it out
tag = field.Tag.Get(tagName)
// if we have a mapper function, call it on the whole tag
// XXX: this is a change from the old version, which pulled out the name
// before the tagMapFunc could be run, but I think this is the right way
if tagMapFunc != nil {
tag = tagMapFunc(tag)
}
// finally, split the options from the name
parts := strings.Split(tag, ",")
fieldName = parts[0]
return tag, fieldName
}
// parseOptions parses options out of a tag string, skipping the name
func parseOptions(tag string) map[string]string {
parts := strings.Split(tag, ",")
options := make(map[string]string, len(parts))
if len(parts) > 1 {
for _, opt := range parts[1:] {
// short circuit potentially expensive split op
if strings.Contains(opt, "=") {
kv := strings.Split(opt, "=")
options[kv[0]] = kv[1]
continue
}
options[opt] = ""
}
}
return options
}
// getMapping returns a mapping for the t type, using the tagName, mapFunc and
// tagMapFunc to determine the canonical names of fields.
func getMapping(t reflect.Type, tagName string, mapFunc, tagMapFunc mapf) *StructMap {
m := []*FieldInfo{}
root := &FieldInfo{}
queue := []typeQueue{}
queue = append(queue, typeQueue{Deref(t), root, ""})
QueueLoop:
for len(queue) != 0 {
// pop the first item off of the queue
tq := queue[0]
queue = queue[1:]
// ignore recursive field
for p := tq.fi.Parent; p != nil; p = p.Parent {
if tq.fi.Field.Type == p.Field.Type {
continue QueueLoop
}
}
nChildren := 0
if tq.t.Kind() == reflect.Struct {
nChildren = tq.t.NumField()
}
tq.fi.Children = make([]*FieldInfo, nChildren)
// iterate through all of its fields
for fieldPos := 0; fieldPos < nChildren; fieldPos++ {
f := tq.t.Field(fieldPos)
// parse the tag and the target name using the mapping options for this field
tag, name := parseName(f, tagName, mapFunc, tagMapFunc)
// if the name is "-", disabled via a tag, skip it
if name == "-" {
continue
}
fi := FieldInfo{
Field: f,
Name: name,
Zero: reflect.New(f.Type).Elem(),
Options: parseOptions(tag),
}
// if the path is empty this path is just the name
if tq.pp == "" {
fi.Path = fi.Name
} else {
fi.Path = tq.pp + "." + fi.Name
}
// skip unexported fields
if len(f.PkgPath) != 0 && !f.Anonymous {
continue
}
// bfs search of anonymous embedded structs
if f.Anonymous {
pp := tq.pp
if tag != "" {
pp = fi.Path
}
fi.Embedded = true
fi.Index = apnd(tq.fi.Index, fieldPos)
nChildren := 0
ft := Deref(f.Type)
if ft.Kind() == reflect.Struct {
nChildren = ft.NumField()
}
fi.Children = make([]*FieldInfo, nChildren)
queue = append(queue, typeQueue{Deref(f.Type), &fi, pp})
} else if fi.Zero.Kind() == reflect.Struct || (fi.Zero.Kind() == reflect.Ptr && fi.Zero.Type().Elem().Kind() == reflect.Struct) {
fi.Index = apnd(tq.fi.Index, fieldPos)
fi.Children = make([]*FieldInfo, Deref(f.Type).NumField())
queue = append(queue, typeQueue{Deref(f.Type), &fi, fi.Path})
}
fi.Index = apnd(tq.fi.Index, fieldPos)
fi.Parent = tq.fi
tq.fi.Children[fieldPos] = &fi
m = append(m, &fi)
}
}
flds := &StructMap{Index: m, Tree: root, Paths: map[string]*FieldInfo{}, Names: map[string]*FieldInfo{}}
for _, fi := range flds.Index {
// check if nothing has already been pushed with the same path
// sometimes you can choose to override a type using embedded struct
fld, ok := flds.Paths[fi.Path]
if !ok || fld.Embedded {
flds.Paths[fi.Path] = fi
if fi.Name != "" && !fi.Embedded {
flds.Names[fi.Path] = fi
}
}
}
return flds
}

1049
vendor/github.com/jmoiron/sqlx/sqlx.go generated vendored Normal file

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414
vendor/github.com/jmoiron/sqlx/sqlx_context.go generated vendored Normal file
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// +build go1.8
package sqlx
import (
"context"
"database/sql"
"fmt"
"io/ioutil"
"path/filepath"
"reflect"
)
// ConnectContext to a database and verify with a ping.
func ConnectContext(ctx context.Context, driverName, dataSourceName string) (*DB, error) {
db, err := Open(driverName, dataSourceName)
if err != nil {
return db, err
}
err = db.PingContext(ctx)
return db, err
}
// QueryerContext is an interface used by GetContext and SelectContext
type QueryerContext interface {
QueryContext(ctx context.Context, query string, args ...interface{}) (*sql.Rows, error)
QueryxContext(ctx context.Context, query string, args ...interface{}) (*Rows, error)
QueryRowxContext(ctx context.Context, query string, args ...interface{}) *Row
}
// PreparerContext is an interface used by PreparexContext.
type PreparerContext interface {
PrepareContext(ctx context.Context, query string) (*sql.Stmt, error)
}
// ExecerContext is an interface used by MustExecContext and LoadFileContext
type ExecerContext interface {
ExecContext(ctx context.Context, query string, args ...interface{}) (sql.Result, error)
}
// ExtContext is a union interface which can bind, query, and exec, with Context
// used by NamedQueryContext and NamedExecContext.
type ExtContext interface {
binder
QueryerContext
ExecerContext
}
// SelectContext executes a query using the provided Queryer, and StructScans
// each row into dest, which must be a slice. If the slice elements are
// scannable, then the result set must have only one column. Otherwise,
// StructScan is used. The *sql.Rows are closed automatically.
// Any placeholder parameters are replaced with supplied args.
func SelectContext(ctx context.Context, q QueryerContext, dest interface{}, query string, args ...interface{}) error {
rows, err := q.QueryxContext(ctx, query, args...)
if err != nil {
return err
}
// if something happens here, we want to make sure the rows are Closed
defer rows.Close()
return scanAll(rows, dest, false)
}
// PreparexContext prepares a statement.
//
// The provided context is used for the preparation of the statement, not for
// the execution of the statement.
func PreparexContext(ctx context.Context, p PreparerContext, query string) (*Stmt, error) {
s, err := p.PrepareContext(ctx, query)
if err != nil {
return nil, err
}
return &Stmt{Stmt: s, unsafe: isUnsafe(p), Mapper: mapperFor(p)}, err
}
// GetContext does a QueryRow using the provided Queryer, and scans the
// resulting row to dest. If dest is scannable, the result must only have one
// column. Otherwise, StructScan is used. Get will return sql.ErrNoRows like
// row.Scan would. Any placeholder parameters are replaced with supplied args.
// An error is returned if the result set is empty.
func GetContext(ctx context.Context, q QueryerContext, dest interface{}, query string, args ...interface{}) error {
r := q.QueryRowxContext(ctx, query, args...)
return r.scanAny(dest, false)
}
// LoadFileContext exec's every statement in a file (as a single call to Exec).
// LoadFileContext may return a nil *sql.Result if errors are encountered
// locating or reading the file at path. LoadFile reads the entire file into
// memory, so it is not suitable for loading large data dumps, but can be useful
// for initializing schemas or loading indexes.
//
// FIXME: this does not really work with multi-statement files for mattn/go-sqlite3
// or the go-mysql-driver/mysql drivers; pq seems to be an exception here. Detecting
// this by requiring something with DriverName() and then attempting to split the
// queries will be difficult to get right, and its current driver-specific behavior
// is deemed at least not complex in its incorrectness.
func LoadFileContext(ctx context.Context, e ExecerContext, path string) (*sql.Result, error) {
realpath, err := filepath.Abs(path)
if err != nil {
return nil, err
}
contents, err := ioutil.ReadFile(realpath)
if err != nil {
return nil, err
}
res, err := e.ExecContext(ctx, string(contents))
return &res, err
}
// MustExecContext execs the query using e and panics if there was an error.
// Any placeholder parameters are replaced with supplied args.
func MustExecContext(ctx context.Context, e ExecerContext, query string, args ...interface{}) sql.Result {
res, err := e.ExecContext(ctx, query, args...)
if err != nil {
panic(err)
}
return res
}
// PrepareNamedContext returns an sqlx.NamedStmt
func (db *DB) PrepareNamedContext(ctx context.Context, query string) (*NamedStmt, error) {
return prepareNamedContext(ctx, db, query)
}
// NamedQueryContext using this DB.
// Any named placeholder parameters are replaced with fields from arg.
func (db *DB) NamedQueryContext(ctx context.Context, query string, arg interface{}) (*Rows, error) {
return NamedQueryContext(ctx, db, query, arg)
}
// NamedExecContext using this DB.
// Any named placeholder parameters are replaced with fields from arg.
func (db *DB) NamedExecContext(ctx context.Context, query string, arg interface{}) (sql.Result, error) {
return NamedExecContext(ctx, db, query, arg)
}
// SelectContext using this DB.
// Any placeholder parameters are replaced with supplied args.
func (db *DB) SelectContext(ctx context.Context, dest interface{}, query string, args ...interface{}) error {
return SelectContext(ctx, db, dest, query, args...)
}
// GetContext using this DB.
// Any placeholder parameters are replaced with supplied args.
// An error is returned if the result set is empty.
func (db *DB) GetContext(ctx context.Context, dest interface{}, query string, args ...interface{}) error {
return GetContext(ctx, db, dest, query, args...)
}
// PreparexContext returns an sqlx.Stmt instead of a sql.Stmt.
//
// The provided context is used for the preparation of the statement, not for
// the execution of the statement.
func (db *DB) PreparexContext(ctx context.Context, query string) (*Stmt, error) {
return PreparexContext(ctx, db, query)
}
// QueryxContext queries the database and returns an *sqlx.Rows.
// Any placeholder parameters are replaced with supplied args.
func (db *DB) QueryxContext(ctx context.Context, query string, args ...interface{}) (*Rows, error) {
r, err := db.DB.QueryContext(ctx, query, args...)
if err != nil {
return nil, err
}
return &Rows{Rows: r, unsafe: db.unsafe, Mapper: db.Mapper}, err
}
// QueryRowxContext queries the database and returns an *sqlx.Row.
// Any placeholder parameters are replaced with supplied args.
func (db *DB) QueryRowxContext(ctx context.Context, query string, args ...interface{}) *Row {
rows, err := db.DB.QueryContext(ctx, query, args...)
return &Row{rows: rows, err: err, unsafe: db.unsafe, Mapper: db.Mapper}
}
// MustBeginTx starts a transaction, and panics on error. Returns an *sqlx.Tx instead
// of an *sql.Tx.
//
// The provided context is used until the transaction is committed or rolled
// back. If the context is canceled, the sql package will roll back the
// transaction. Tx.Commit will return an error if the context provided to
// MustBeginContext is canceled.
func (db *DB) MustBeginTx(ctx context.Context, opts *sql.TxOptions) *Tx {
tx, err := db.BeginTxx(ctx, opts)
if err != nil {
panic(err)
}
return tx
}
// MustExecContext (panic) runs MustExec using this database.
// Any placeholder parameters are replaced with supplied args.
func (db *DB) MustExecContext(ctx context.Context, query string, args ...interface{}) sql.Result {
return MustExecContext(ctx, db, query, args...)
}
// BeginTxx begins a transaction and returns an *sqlx.Tx instead of an
// *sql.Tx.
//
// The provided context is used until the transaction is committed or rolled
// back. If the context is canceled, the sql package will roll back the
// transaction. Tx.Commit will return an error if the context provided to
// BeginxContext is canceled.
func (db *DB) BeginTxx(ctx context.Context, opts *sql.TxOptions) (*Tx, error) {
tx, err := db.DB.BeginTx(ctx, opts)
if err != nil {
return nil, err
}
return &Tx{Tx: tx, driverName: db.driverName, unsafe: db.unsafe, Mapper: db.Mapper}, err
}
// Connx returns an *sqlx.Conn instead of an *sql.Conn.
func (db *DB) Connx(ctx context.Context) (*Conn, error) {
conn, err := db.DB.Conn(ctx)
if err != nil {
return nil, err
}
return &Conn{Conn: conn, driverName: db.driverName, unsafe: db.unsafe, Mapper: db.Mapper}, nil
}
// BeginTxx begins a transaction and returns an *sqlx.Tx instead of an
// *sql.Tx.
//
// The provided context is used until the transaction is committed or rolled
// back. If the context is canceled, the sql package will roll back the
// transaction. Tx.Commit will return an error if the context provided to
// BeginxContext is canceled.
func (c *Conn) BeginTxx(ctx context.Context, opts *sql.TxOptions) (*Tx, error) {
tx, err := c.Conn.BeginTx(ctx, opts)
if err != nil {
return nil, err
}
return &Tx{Tx: tx, driverName: c.driverName, unsafe: c.unsafe, Mapper: c.Mapper}, err
}
// SelectContext using this Conn.
// Any placeholder parameters are replaced with supplied args.
func (c *Conn) SelectContext(ctx context.Context, dest interface{}, query string, args ...interface{}) error {
return SelectContext(ctx, c, dest, query, args...)
}
// GetContext using this Conn.
// Any placeholder parameters are replaced with supplied args.
// An error is returned if the result set is empty.
func (c *Conn) GetContext(ctx context.Context, dest interface{}, query string, args ...interface{}) error {
return GetContext(ctx, c, dest, query, args...)
}
// PreparexContext returns an sqlx.Stmt instead of a sql.Stmt.
//
// The provided context is used for the preparation of the statement, not for
// the execution of the statement.
func (c *Conn) PreparexContext(ctx context.Context, query string) (*Stmt, error) {
return PreparexContext(ctx, c, query)
}
// QueryxContext queries the database and returns an *sqlx.Rows.
// Any placeholder parameters are replaced with supplied args.
func (c *Conn) QueryxContext(ctx context.Context, query string, args ...interface{}) (*Rows, error) {
r, err := c.Conn.QueryContext(ctx, query, args...)
if err != nil {
return nil, err
}
return &Rows{Rows: r, unsafe: c.unsafe, Mapper: c.Mapper}, err
}
// QueryRowxContext queries the database and returns an *sqlx.Row.
// Any placeholder parameters are replaced with supplied args.
func (c *Conn) QueryRowxContext(ctx context.Context, query string, args ...interface{}) *Row {
rows, err := c.Conn.QueryContext(ctx, query, args...)
return &Row{rows: rows, err: err, unsafe: c.unsafe, Mapper: c.Mapper}
}
// Rebind a query within a Conn's bindvar type.
func (c *Conn) Rebind(query string) string {
return Rebind(BindType(c.driverName), query)
}
// StmtxContext returns a version of the prepared statement which runs within a
// transaction. Provided stmt can be either *sql.Stmt or *sqlx.Stmt.
func (tx *Tx) StmtxContext(ctx context.Context, stmt interface{}) *Stmt {
var s *sql.Stmt
switch v := stmt.(type) {
case Stmt:
s = v.Stmt
case *Stmt:
s = v.Stmt
case *sql.Stmt:
s = v
default:
panic(fmt.Sprintf("non-statement type %v passed to Stmtx", reflect.ValueOf(stmt).Type()))
}
return &Stmt{Stmt: tx.StmtContext(ctx, s), Mapper: tx.Mapper}
}
// NamedStmtContext returns a version of the prepared statement which runs
// within a transaction.
func (tx *Tx) NamedStmtContext(ctx context.Context, stmt *NamedStmt) *NamedStmt {
return &NamedStmt{
QueryString: stmt.QueryString,
Params: stmt.Params,
Stmt: tx.StmtxContext(ctx, stmt.Stmt),
}
}
// PreparexContext returns an sqlx.Stmt instead of a sql.Stmt.
//
// The provided context is used for the preparation of the statement, not for
// the execution of the statement.
func (tx *Tx) PreparexContext(ctx context.Context, query string) (*Stmt, error) {
return PreparexContext(ctx, tx, query)
}
// PrepareNamedContext returns an sqlx.NamedStmt
func (tx *Tx) PrepareNamedContext(ctx context.Context, query string) (*NamedStmt, error) {
return prepareNamedContext(ctx, tx, query)
}
// MustExecContext runs MustExecContext within a transaction.
// Any placeholder parameters are replaced with supplied args.
func (tx *Tx) MustExecContext(ctx context.Context, query string, args ...interface{}) sql.Result {
return MustExecContext(ctx, tx, query, args...)
}
// QueryxContext within a transaction and context.
// Any placeholder parameters are replaced with supplied args.
func (tx *Tx) QueryxContext(ctx context.Context, query string, args ...interface{}) (*Rows, error) {
r, err := tx.Tx.QueryContext(ctx, query, args...)
if err != nil {
return nil, err
}
return &Rows{Rows: r, unsafe: tx.unsafe, Mapper: tx.Mapper}, err
}
// SelectContext within a transaction and context.
// Any placeholder parameters are replaced with supplied args.
func (tx *Tx) SelectContext(ctx context.Context, dest interface{}, query string, args ...interface{}) error {
return SelectContext(ctx, tx, dest, query, args...)
}
// GetContext within a transaction and context.
// Any placeholder parameters are replaced with supplied args.
// An error is returned if the result set is empty.
func (tx *Tx) GetContext(ctx context.Context, dest interface{}, query string, args ...interface{}) error {
return GetContext(ctx, tx, dest, query, args...)
}
// QueryRowxContext within a transaction and context.
// Any placeholder parameters are replaced with supplied args.
func (tx *Tx) QueryRowxContext(ctx context.Context, query string, args ...interface{}) *Row {
rows, err := tx.Tx.QueryContext(ctx, query, args...)
return &Row{rows: rows, err: err, unsafe: tx.unsafe, Mapper: tx.Mapper}
}
// NamedExecContext using this Tx.
// Any named placeholder parameters are replaced with fields from arg.
func (tx *Tx) NamedExecContext(ctx context.Context, query string, arg interface{}) (sql.Result, error) {
return NamedExecContext(ctx, tx, query, arg)
}
// SelectContext using the prepared statement.
// Any placeholder parameters are replaced with supplied args.
func (s *Stmt) SelectContext(ctx context.Context, dest interface{}, args ...interface{}) error {
return SelectContext(ctx, &qStmt{s}, dest, "", args...)
}
// GetContext using the prepared statement.
// Any placeholder parameters are replaced with supplied args.
// An error is returned if the result set is empty.
func (s *Stmt) GetContext(ctx context.Context, dest interface{}, args ...interface{}) error {
return GetContext(ctx, &qStmt{s}, dest, "", args...)
}
// MustExecContext (panic) using this statement. Note that the query portion of
// the error output will be blank, as Stmt does not expose its query.
// Any placeholder parameters are replaced with supplied args.
func (s *Stmt) MustExecContext(ctx context.Context, args ...interface{}) sql.Result {
return MustExecContext(ctx, &qStmt{s}, "", args...)
}
// QueryRowxContext using this statement.
// Any placeholder parameters are replaced with supplied args.
func (s *Stmt) QueryRowxContext(ctx context.Context, args ...interface{}) *Row {
qs := &qStmt{s}
return qs.QueryRowxContext(ctx, "", args...)
}
// QueryxContext using this statement.
// Any placeholder parameters are replaced with supplied args.
func (s *Stmt) QueryxContext(ctx context.Context, args ...interface{}) (*Rows, error) {
qs := &qStmt{s}
return qs.QueryxContext(ctx, "", args...)
}
func (q *qStmt) QueryContext(ctx context.Context, query string, args ...interface{}) (*sql.Rows, error) {
return q.Stmt.QueryContext(ctx, args...)
}
func (q *qStmt) QueryxContext(ctx context.Context, query string, args ...interface{}) (*Rows, error) {
r, err := q.Stmt.QueryContext(ctx, args...)
if err != nil {
return nil, err
}
return &Rows{Rows: r, unsafe: q.Stmt.unsafe, Mapper: q.Stmt.Mapper}, err
}
func (q *qStmt) QueryRowxContext(ctx context.Context, query string, args ...interface{}) *Row {
rows, err := q.Stmt.QueryContext(ctx, args...)
return &Row{rows: rows, err: err, unsafe: q.Stmt.unsafe, Mapper: q.Stmt.Mapper}
}
func (q *qStmt) ExecContext(ctx context.Context, query string, args ...interface{}) (sql.Result, error) {
return q.Stmt.ExecContext(ctx, args...)
}

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vendor/golang.org/x/crypto/bcrypt/base64.go generated vendored Normal file
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// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package bcrypt
import "encoding/base64"
const alphabet = "./ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"
var bcEncoding = base64.NewEncoding(alphabet)
func base64Encode(src []byte) []byte {
n := bcEncoding.EncodedLen(len(src))
dst := make([]byte, n)
bcEncoding.Encode(dst, src)
for dst[n-1] == '=' {
n--
}
return dst[:n]
}
func base64Decode(src []byte) ([]byte, error) {
numOfEquals := 4 - (len(src) % 4)
for i := 0; i < numOfEquals; i++ {
src = append(src, '=')
}
dst := make([]byte, bcEncoding.DecodedLen(len(src)))
n, err := bcEncoding.Decode(dst, src)
if err != nil {
return nil, err
}
return dst[:n], nil
}

295
vendor/golang.org/x/crypto/bcrypt/bcrypt.go generated vendored Normal file
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// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package bcrypt implements Provos and Mazières's bcrypt adaptive hashing
// algorithm. See http://www.usenix.org/event/usenix99/provos/provos.pdf
package bcrypt // import "golang.org/x/crypto/bcrypt"
// The code is a port of Provos and Mazières's C implementation.
import (
"crypto/rand"
"crypto/subtle"
"errors"
"fmt"
"io"
"strconv"
"golang.org/x/crypto/blowfish"
)
const (
MinCost int = 4 // the minimum allowable cost as passed in to GenerateFromPassword
MaxCost int = 31 // the maximum allowable cost as passed in to GenerateFromPassword
DefaultCost int = 10 // the cost that will actually be set if a cost below MinCost is passed into GenerateFromPassword
)
// The error returned from CompareHashAndPassword when a password and hash do
// not match.
var ErrMismatchedHashAndPassword = errors.New("crypto/bcrypt: hashedPassword is not the hash of the given password")
// The error returned from CompareHashAndPassword when a hash is too short to
// be a bcrypt hash.
var ErrHashTooShort = errors.New("crypto/bcrypt: hashedSecret too short to be a bcrypted password")
// The error returned from CompareHashAndPassword when a hash was created with
// a bcrypt algorithm newer than this implementation.
type HashVersionTooNewError byte
func (hv HashVersionTooNewError) Error() string {
return fmt.Sprintf("crypto/bcrypt: bcrypt algorithm version '%c' requested is newer than current version '%c'", byte(hv), majorVersion)
}
// The error returned from CompareHashAndPassword when a hash starts with something other than '$'
type InvalidHashPrefixError byte
func (ih InvalidHashPrefixError) Error() string {
return fmt.Sprintf("crypto/bcrypt: bcrypt hashes must start with '$', but hashedSecret started with '%c'", byte(ih))
}
type InvalidCostError int
func (ic InvalidCostError) Error() string {
return fmt.Sprintf("crypto/bcrypt: cost %d is outside allowed range (%d,%d)", int(ic), int(MinCost), int(MaxCost))
}
const (
majorVersion = '2'
minorVersion = 'a'
maxSaltSize = 16
maxCryptedHashSize = 23
encodedSaltSize = 22
encodedHashSize = 31
minHashSize = 59
)
// magicCipherData is an IV for the 64 Blowfish encryption calls in
// bcrypt(). It's the string "OrpheanBeholderScryDoubt" in big-endian bytes.
var magicCipherData = []byte{
0x4f, 0x72, 0x70, 0x68,
0x65, 0x61, 0x6e, 0x42,
0x65, 0x68, 0x6f, 0x6c,
0x64, 0x65, 0x72, 0x53,
0x63, 0x72, 0x79, 0x44,
0x6f, 0x75, 0x62, 0x74,
}
type hashed struct {
hash []byte
salt []byte
cost int // allowed range is MinCost to MaxCost
major byte
minor byte
}
// GenerateFromPassword returns the bcrypt hash of the password at the given
// cost. If the cost given is less than MinCost, the cost will be set to
// DefaultCost, instead. Use CompareHashAndPassword, as defined in this package,
// to compare the returned hashed password with its cleartext version.
func GenerateFromPassword(password []byte, cost int) ([]byte, error) {
p, err := newFromPassword(password, cost)
if err != nil {
return nil, err
}
return p.Hash(), nil
}
// CompareHashAndPassword compares a bcrypt hashed password with its possible
// plaintext equivalent. Returns nil on success, or an error on failure.
func CompareHashAndPassword(hashedPassword, password []byte) error {
p, err := newFromHash(hashedPassword)
if err != nil {
return err
}
otherHash, err := bcrypt(password, p.cost, p.salt)
if err != nil {
return err
}
otherP := &hashed{otherHash, p.salt, p.cost, p.major, p.minor}
if subtle.ConstantTimeCompare(p.Hash(), otherP.Hash()) == 1 {
return nil
}
return ErrMismatchedHashAndPassword
}
// Cost returns the hashing cost used to create the given hashed
// password. When, in the future, the hashing cost of a password system needs
// to be increased in order to adjust for greater computational power, this
// function allows one to establish which passwords need to be updated.
func Cost(hashedPassword []byte) (int, error) {
p, err := newFromHash(hashedPassword)
if err != nil {
return 0, err
}
return p.cost, nil
}
func newFromPassword(password []byte, cost int) (*hashed, error) {
if cost < MinCost {
cost = DefaultCost
}
p := new(hashed)
p.major = majorVersion
p.minor = minorVersion
err := checkCost(cost)
if err != nil {
return nil, err
}
p.cost = cost
unencodedSalt := make([]byte, maxSaltSize)
_, err = io.ReadFull(rand.Reader, unencodedSalt)
if err != nil {
return nil, err
}
p.salt = base64Encode(unencodedSalt)
hash, err := bcrypt(password, p.cost, p.salt)
if err != nil {
return nil, err
}
p.hash = hash
return p, err
}
func newFromHash(hashedSecret []byte) (*hashed, error) {
if len(hashedSecret) < minHashSize {
return nil, ErrHashTooShort
}
p := new(hashed)
n, err := p.decodeVersion(hashedSecret)
if err != nil {
return nil, err
}
hashedSecret = hashedSecret[n:]
n, err = p.decodeCost(hashedSecret)
if err != nil {
return nil, err
}
hashedSecret = hashedSecret[n:]
// The "+2" is here because we'll have to append at most 2 '=' to the salt
// when base64 decoding it in expensiveBlowfishSetup().
p.salt = make([]byte, encodedSaltSize, encodedSaltSize+2)
copy(p.salt, hashedSecret[:encodedSaltSize])
hashedSecret = hashedSecret[encodedSaltSize:]
p.hash = make([]byte, len(hashedSecret))
copy(p.hash, hashedSecret)
return p, nil
}
func bcrypt(password []byte, cost int, salt []byte) ([]byte, error) {
cipherData := make([]byte, len(magicCipherData))
copy(cipherData, magicCipherData)
c, err := expensiveBlowfishSetup(password, uint32(cost), salt)
if err != nil {
return nil, err
}
for i := 0; i < 24; i += 8 {
for j := 0; j < 64; j++ {
c.Encrypt(cipherData[i:i+8], cipherData[i:i+8])
}
}
// Bug compatibility with C bcrypt implementations. We only encode 23 of
// the 24 bytes encrypted.
hsh := base64Encode(cipherData[:maxCryptedHashSize])
return hsh, nil
}
func expensiveBlowfishSetup(key []byte, cost uint32, salt []byte) (*blowfish.Cipher, error) {
csalt, err := base64Decode(salt)
if err != nil {
return nil, err
}
// Bug compatibility with C bcrypt implementations. They use the trailing
// NULL in the key string during expansion.
// We copy the key to prevent changing the underlying array.
ckey := append(key[:len(key):len(key)], 0)
c, err := blowfish.NewSaltedCipher(ckey, csalt)
if err != nil {
return nil, err
}
var i, rounds uint64
rounds = 1 << cost
for i = 0; i < rounds; i++ {
blowfish.ExpandKey(ckey, c)
blowfish.ExpandKey(csalt, c)
}
return c, nil
}
func (p *hashed) Hash() []byte {
arr := make([]byte, 60)
arr[0] = '$'
arr[1] = p.major
n := 2
if p.minor != 0 {
arr[2] = p.minor
n = 3
}
arr[n] = '$'
n++
copy(arr[n:], []byte(fmt.Sprintf("%02d", p.cost)))
n += 2
arr[n] = '$'
n++
copy(arr[n:], p.salt)
n += encodedSaltSize
copy(arr[n:], p.hash)
n += encodedHashSize
return arr[:n]
}
func (p *hashed) decodeVersion(sbytes []byte) (int, error) {
if sbytes[0] != '$' {
return -1, InvalidHashPrefixError(sbytes[0])
}
if sbytes[1] > majorVersion {
return -1, HashVersionTooNewError(sbytes[1])
}
p.major = sbytes[1]
n := 3
if sbytes[2] != '$' {
p.minor = sbytes[2]
n++
}
return n, nil
}
// sbytes should begin where decodeVersion left off.
func (p *hashed) decodeCost(sbytes []byte) (int, error) {
cost, err := strconv.Atoi(string(sbytes[0:2]))
if err != nil {
return -1, err
}
err = checkCost(cost)
if err != nil {
return -1, err
}
p.cost = cost
return 3, nil
}
func (p *hashed) String() string {
return fmt.Sprintf("&{hash: %#v, salt: %#v, cost: %d, major: %c, minor: %c}", string(p.hash), p.salt, p.cost, p.major, p.minor)
}
func checkCost(cost int) error {
if cost < MinCost || cost > MaxCost {
return InvalidCostError(cost)
}
return nil
}

159
vendor/golang.org/x/crypto/blowfish/block.go generated vendored Normal file
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// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package blowfish
// getNextWord returns the next big-endian uint32 value from the byte slice
// at the given position in a circular manner, updating the position.
func getNextWord(b []byte, pos *int) uint32 {
var w uint32
j := *pos
for i := 0; i < 4; i++ {
w = w<<8 | uint32(b[j])
j++
if j >= len(b) {
j = 0
}
}
*pos = j
return w
}
// ExpandKey performs a key expansion on the given *Cipher. Specifically, it
// performs the Blowfish algorithm's key schedule which sets up the *Cipher's
// pi and substitution tables for calls to Encrypt. This is used, primarily,
// by the bcrypt package to reuse the Blowfish key schedule during its
// set up. It's unlikely that you need to use this directly.
func ExpandKey(key []byte, c *Cipher) {
j := 0
for i := 0; i < 18; i++ {
// Using inlined getNextWord for performance.
var d uint32
for k := 0; k < 4; k++ {
d = d<<8 | uint32(key[j])
j++
if j >= len(key) {
j = 0
}
}
c.p[i] ^= d
}
var l, r uint32
for i := 0; i < 18; i += 2 {
l, r = encryptBlock(l, r, c)
c.p[i], c.p[i+1] = l, r
}
for i := 0; i < 256; i += 2 {
l, r = encryptBlock(l, r, c)
c.s0[i], c.s0[i+1] = l, r
}
for i := 0; i < 256; i += 2 {
l, r = encryptBlock(l, r, c)
c.s1[i], c.s1[i+1] = l, r
}
for i := 0; i < 256; i += 2 {
l, r = encryptBlock(l, r, c)
c.s2[i], c.s2[i+1] = l, r
}
for i := 0; i < 256; i += 2 {
l, r = encryptBlock(l, r, c)
c.s3[i], c.s3[i+1] = l, r
}
}
// This is similar to ExpandKey, but folds the salt during the key
// schedule. While ExpandKey is essentially expandKeyWithSalt with an all-zero
// salt passed in, reusing ExpandKey turns out to be a place of inefficiency
// and specializing it here is useful.
func expandKeyWithSalt(key []byte, salt []byte, c *Cipher) {
j := 0
for i := 0; i < 18; i++ {
c.p[i] ^= getNextWord(key, &j)
}
j = 0
var l, r uint32
for i := 0; i < 18; i += 2 {
l ^= getNextWord(salt, &j)
r ^= getNextWord(salt, &j)
l, r = encryptBlock(l, r, c)
c.p[i], c.p[i+1] = l, r
}
for i := 0; i < 256; i += 2 {
l ^= getNextWord(salt, &j)
r ^= getNextWord(salt, &j)
l, r = encryptBlock(l, r, c)
c.s0[i], c.s0[i+1] = l, r
}
for i := 0; i < 256; i += 2 {
l ^= getNextWord(salt, &j)
r ^= getNextWord(salt, &j)
l, r = encryptBlock(l, r, c)
c.s1[i], c.s1[i+1] = l, r
}
for i := 0; i < 256; i += 2 {
l ^= getNextWord(salt, &j)
r ^= getNextWord(salt, &j)
l, r = encryptBlock(l, r, c)
c.s2[i], c.s2[i+1] = l, r
}
for i := 0; i < 256; i += 2 {
l ^= getNextWord(salt, &j)
r ^= getNextWord(salt, &j)
l, r = encryptBlock(l, r, c)
c.s3[i], c.s3[i+1] = l, r
}
}
func encryptBlock(l, r uint32, c *Cipher) (uint32, uint32) {
xl, xr := l, r
xl ^= c.p[0]
xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[1]
xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[2]
xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[3]
xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[4]
xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[5]
xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[6]
xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[7]
xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[8]
xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[9]
xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[10]
xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[11]
xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[12]
xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[13]
xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[14]
xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[15]
xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[16]
xr ^= c.p[17]
return xr, xl
}
func decryptBlock(l, r uint32, c *Cipher) (uint32, uint32) {
xl, xr := l, r
xl ^= c.p[17]
xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[16]
xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[15]
xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[14]
xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[13]
xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[12]
xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[11]
xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[10]
xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[9]
xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[8]
xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[7]
xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[6]
xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[5]
xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[4]
xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[3]
xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[2]
xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[1]
xr ^= c.p[0]
return xr, xl
}

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vendor/golang.org/x/crypto/blowfish/cipher.go generated vendored Normal file
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// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package blowfish implements Bruce Schneier's Blowfish encryption algorithm.
//
// Blowfish is a legacy cipher and its short block size makes it vulnerable to
// birthday bound attacks (see https://sweet32.info). It should only be used
// where compatibility with legacy systems, not security, is the goal.
//
// Deprecated: any new system should use AES (from crypto/aes, if necessary in
// an AEAD mode like crypto/cipher.NewGCM) or XChaCha20-Poly1305 (from
// golang.org/x/crypto/chacha20poly1305).
package blowfish // import "golang.org/x/crypto/blowfish"
// The code is a port of Bruce Schneier's C implementation.
// See https://www.schneier.com/blowfish.html.
import "strconv"
// The Blowfish block size in bytes.
const BlockSize = 8
// A Cipher is an instance of Blowfish encryption using a particular key.
type Cipher struct {
p [18]uint32
s0, s1, s2, s3 [256]uint32
}
type KeySizeError int
func (k KeySizeError) Error() string {
return "crypto/blowfish: invalid key size " + strconv.Itoa(int(k))
}
// NewCipher creates and returns a Cipher.
// The key argument should be the Blowfish key, from 1 to 56 bytes.
func NewCipher(key []byte) (*Cipher, error) {
var result Cipher
if k := len(key); k < 1 || k > 56 {
return nil, KeySizeError(k)
}
initCipher(&result)
ExpandKey(key, &result)
return &result, nil
}
// NewSaltedCipher creates a returns a Cipher that folds a salt into its key
// schedule. For most purposes, NewCipher, instead of NewSaltedCipher, is
// sufficient and desirable. For bcrypt compatibility, the key can be over 56
// bytes.
func NewSaltedCipher(key, salt []byte) (*Cipher, error) {
if len(salt) == 0 {
return NewCipher(key)
}
var result Cipher
if k := len(key); k < 1 {
return nil, KeySizeError(k)
}
initCipher(&result)
expandKeyWithSalt(key, salt, &result)
return &result, nil
}
// BlockSize returns the Blowfish block size, 8 bytes.
// It is necessary to satisfy the Block interface in the
// package "crypto/cipher".
func (c *Cipher) BlockSize() int { return BlockSize }
// Encrypt encrypts the 8-byte buffer src using the key k
// and stores the result in dst.
// Note that for amounts of data larger than a block,
// it is not safe to just call Encrypt on successive blocks;
// instead, use an encryption mode like CBC (see crypto/cipher/cbc.go).
func (c *Cipher) Encrypt(dst, src []byte) {
l := uint32(src[0])<<24 | uint32(src[1])<<16 | uint32(src[2])<<8 | uint32(src[3])
r := uint32(src[4])<<24 | uint32(src[5])<<16 | uint32(src[6])<<8 | uint32(src[7])
l, r = encryptBlock(l, r, c)
dst[0], dst[1], dst[2], dst[3] = byte(l>>24), byte(l>>16), byte(l>>8), byte(l)
dst[4], dst[5], dst[6], dst[7] = byte(r>>24), byte(r>>16), byte(r>>8), byte(r)
}
// Decrypt decrypts the 8-byte buffer src using the key k
// and stores the result in dst.
func (c *Cipher) Decrypt(dst, src []byte) {
l := uint32(src[0])<<24 | uint32(src[1])<<16 | uint32(src[2])<<8 | uint32(src[3])
r := uint32(src[4])<<24 | uint32(src[5])<<16 | uint32(src[6])<<8 | uint32(src[7])
l, r = decryptBlock(l, r, c)
dst[0], dst[1], dst[2], dst[3] = byte(l>>24), byte(l>>16), byte(l>>8), byte(l)
dst[4], dst[5], dst[6], dst[7] = byte(r>>24), byte(r>>16), byte(r>>8), byte(r)
}
func initCipher(c *Cipher) {
copy(c.p[0:], p[0:])
copy(c.s0[0:], s0[0:])
copy(c.s1[0:], s1[0:])
copy(c.s2[0:], s2[0:])
copy(c.s3[0:], s3[0:])
}

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vendor/golang.org/x/crypto/blowfish/const.go generated vendored Normal file
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// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// The startup permutation array and substitution boxes.
// They are the hexadecimal digits of PI; see:
// https://www.schneier.com/code/constants.txt.
package blowfish
var s0 = [256]uint32{
0xd1310ba6, 0x98dfb5ac, 0x2ffd72db, 0xd01adfb7, 0xb8e1afed, 0x6a267e96,
0xba7c9045, 0xf12c7f99, 0x24a19947, 0xb3916cf7, 0x0801f2e2, 0x858efc16,
0x636920d8, 0x71574e69, 0xa458fea3, 0xf4933d7e, 0x0d95748f, 0x728eb658,
0x718bcd58, 0x82154aee, 0x7b54a41d, 0xc25a59b5, 0x9c30d539, 0x2af26013,
0xc5d1b023, 0x286085f0, 0xca417918, 0xb8db38ef, 0x8e79dcb0, 0x603a180e,
0x6c9e0e8b, 0xb01e8a3e, 0xd71577c1, 0xbd314b27, 0x78af2fda, 0x55605c60,
0xe65525f3, 0xaa55ab94, 0x57489862, 0x63e81440, 0x55ca396a, 0x2aab10b6,
0xb4cc5c34, 0x1141e8ce, 0xa15486af, 0x7c72e993, 0xb3ee1411, 0x636fbc2a,
0x2ba9c55d, 0x741831f6, 0xce5c3e16, 0x9b87931e, 0xafd6ba33, 0x6c24cf5c,
0x7a325381, 0x28958677, 0x3b8f4898, 0x6b4bb9af, 0xc4bfe81b, 0x66282193,
0x61d809cc, 0xfb21a991, 0x487cac60, 0x5dec8032, 0xef845d5d, 0xe98575b1,
0xdc262302, 0xeb651b88, 0x23893e81, 0xd396acc5, 0x0f6d6ff3, 0x83f44239,
0x2e0b4482, 0xa4842004, 0x69c8f04a, 0x9e1f9b5e, 0x21c66842, 0xf6e96c9a,
0x670c9c61, 0xabd388f0, 0x6a51a0d2, 0xd8542f68, 0x960fa728, 0xab5133a3,
0x6eef0b6c, 0x137a3be4, 0xba3bf050, 0x7efb2a98, 0xa1f1651d, 0x39af0176,
0x66ca593e, 0x82430e88, 0x8cee8619, 0x456f9fb4, 0x7d84a5c3, 0x3b8b5ebe,
0xe06f75d8, 0x85c12073, 0x401a449f, 0x56c16aa6, 0x4ed3aa62, 0x363f7706,
0x1bfedf72, 0x429b023d, 0x37d0d724, 0xd00a1248, 0xdb0fead3, 0x49f1c09b,
0x075372c9, 0x80991b7b, 0x25d479d8, 0xf6e8def7, 0xe3fe501a, 0xb6794c3b,
0x976ce0bd, 0x04c006ba, 0xc1a94fb6, 0x409f60c4, 0x5e5c9ec2, 0x196a2463,
0x68fb6faf, 0x3e6c53b5, 0x1339b2eb, 0x3b52ec6f, 0x6dfc511f, 0x9b30952c,
0xcc814544, 0xaf5ebd09, 0xbee3d004, 0xde334afd, 0x660f2807, 0x192e4bb3,
0xc0cba857, 0x45c8740f, 0xd20b5f39, 0xb9d3fbdb, 0x5579c0bd, 0x1a60320a,
0xd6a100c6, 0x402c7279, 0x679f25fe, 0xfb1fa3cc, 0x8ea5e9f8, 0xdb3222f8,
0x3c7516df, 0xfd616b15, 0x2f501ec8, 0xad0552ab, 0x323db5fa, 0xfd238760,
0x53317b48, 0x3e00df82, 0x9e5c57bb, 0xca6f8ca0, 0x1a87562e, 0xdf1769db,
0xd542a8f6, 0x287effc3, 0xac6732c6, 0x8c4f5573, 0x695b27b0, 0xbbca58c8,
0xe1ffa35d, 0xb8f011a0, 0x10fa3d98, 0xfd2183b8, 0x4afcb56c, 0x2dd1d35b,
0x9a53e479, 0xb6f84565, 0xd28e49bc, 0x4bfb9790, 0xe1ddf2da, 0xa4cb7e33,
0x62fb1341, 0xcee4c6e8, 0xef20cada, 0x36774c01, 0xd07e9efe, 0x2bf11fb4,
0x95dbda4d, 0xae909198, 0xeaad8e71, 0x6b93d5a0, 0xd08ed1d0, 0xafc725e0,
0x8e3c5b2f, 0x8e7594b7, 0x8ff6e2fb, 0xf2122b64, 0x8888b812, 0x900df01c,
0x4fad5ea0, 0x688fc31c, 0xd1cff191, 0xb3a8c1ad, 0x2f2f2218, 0xbe0e1777,
0xea752dfe, 0x8b021fa1, 0xe5a0cc0f, 0xb56f74e8, 0x18acf3d6, 0xce89e299,
0xb4a84fe0, 0xfd13e0b7, 0x7cc43b81, 0xd2ada8d9, 0x165fa266, 0x80957705,
0x93cc7314, 0x211a1477, 0xe6ad2065, 0x77b5fa86, 0xc75442f5, 0xfb9d35cf,
0xebcdaf0c, 0x7b3e89a0, 0xd6411bd3, 0xae1e7e49, 0x00250e2d, 0x2071b35e,
0x226800bb, 0x57b8e0af, 0x2464369b, 0xf009b91e, 0x5563911d, 0x59dfa6aa,
0x78c14389, 0xd95a537f, 0x207d5ba2, 0x02e5b9c5, 0x83260376, 0x6295cfa9,
0x11c81968, 0x4e734a41, 0xb3472dca, 0x7b14a94a, 0x1b510052, 0x9a532915,
0xd60f573f, 0xbc9bc6e4, 0x2b60a476, 0x81e67400, 0x08ba6fb5, 0x571be91f,
0xf296ec6b, 0x2a0dd915, 0xb6636521, 0xe7b9f9b6, 0xff34052e, 0xc5855664,
0x53b02d5d, 0xa99f8fa1, 0x08ba4799, 0x6e85076a,
}
var s1 = [256]uint32{
0x4b7a70e9, 0xb5b32944, 0xdb75092e, 0xc4192623, 0xad6ea6b0, 0x49a7df7d,
0x9cee60b8, 0x8fedb266, 0xecaa8c71, 0x699a17ff, 0x5664526c, 0xc2b19ee1,
0x193602a5, 0x75094c29, 0xa0591340, 0xe4183a3e, 0x3f54989a, 0x5b429d65,
0x6b8fe4d6, 0x99f73fd6, 0xa1d29c07, 0xefe830f5, 0x4d2d38e6, 0xf0255dc1,
0x4cdd2086, 0x8470eb26, 0x6382e9c6, 0x021ecc5e, 0x09686b3f, 0x3ebaefc9,
0x3c971814, 0x6b6a70a1, 0x687f3584, 0x52a0e286, 0xb79c5305, 0xaa500737,
0x3e07841c, 0x7fdeae5c, 0x8e7d44ec, 0x5716f2b8, 0xb03ada37, 0xf0500c0d,
0xf01c1f04, 0x0200b3ff, 0xae0cf51a, 0x3cb574b2, 0x25837a58, 0xdc0921bd,
0xd19113f9, 0x7ca92ff6, 0x94324773, 0x22f54701, 0x3ae5e581, 0x37c2dadc,
0xc8b57634, 0x9af3dda7, 0xa9446146, 0x0fd0030e, 0xecc8c73e, 0xa4751e41,
0xe238cd99, 0x3bea0e2f, 0x3280bba1, 0x183eb331, 0x4e548b38, 0x4f6db908,
0x6f420d03, 0xf60a04bf, 0x2cb81290, 0x24977c79, 0x5679b072, 0xbcaf89af,
0xde9a771f, 0xd9930810, 0xb38bae12, 0xdccf3f2e, 0x5512721f, 0x2e6b7124,
0x501adde6, 0x9f84cd87, 0x7a584718, 0x7408da17, 0xbc9f9abc, 0xe94b7d8c,
0xec7aec3a, 0xdb851dfa, 0x63094366, 0xc464c3d2, 0xef1c1847, 0x3215d908,
0xdd433b37, 0x24c2ba16, 0x12a14d43, 0x2a65c451, 0x50940002, 0x133ae4dd,
0x71dff89e, 0x10314e55, 0x81ac77d6, 0x5f11199b, 0x043556f1, 0xd7a3c76b,
0x3c11183b, 0x5924a509, 0xf28fe6ed, 0x97f1fbfa, 0x9ebabf2c, 0x1e153c6e,
0x86e34570, 0xeae96fb1, 0x860e5e0a, 0x5a3e2ab3, 0x771fe71c, 0x4e3d06fa,
0x2965dcb9, 0x99e71d0f, 0x803e89d6, 0x5266c825, 0x2e4cc978, 0x9c10b36a,
0xc6150eba, 0x94e2ea78, 0xa5fc3c53, 0x1e0a2df4, 0xf2f74ea7, 0x361d2b3d,
0x1939260f, 0x19c27960, 0x5223a708, 0xf71312b6, 0xebadfe6e, 0xeac31f66,
0xe3bc4595, 0xa67bc883, 0xb17f37d1, 0x018cff28, 0xc332ddef, 0xbe6c5aa5,
0x65582185, 0x68ab9802, 0xeecea50f, 0xdb2f953b, 0x2aef7dad, 0x5b6e2f84,
0x1521b628, 0x29076170, 0xecdd4775, 0x619f1510, 0x13cca830, 0xeb61bd96,
0x0334fe1e, 0xaa0363cf, 0xb5735c90, 0x4c70a239, 0xd59e9e0b, 0xcbaade14,
0xeecc86bc, 0x60622ca7, 0x9cab5cab, 0xb2f3846e, 0x648b1eaf, 0x19bdf0ca,
0xa02369b9, 0x655abb50, 0x40685a32, 0x3c2ab4b3, 0x319ee9d5, 0xc021b8f7,
0x9b540b19, 0x875fa099, 0x95f7997e, 0x623d7da8, 0xf837889a, 0x97e32d77,
0x11ed935f, 0x16681281, 0x0e358829, 0xc7e61fd6, 0x96dedfa1, 0x7858ba99,
0x57f584a5, 0x1b227263, 0x9b83c3ff, 0x1ac24696, 0xcdb30aeb, 0x532e3054,
0x8fd948e4, 0x6dbc3128, 0x58ebf2ef, 0x34c6ffea, 0xfe28ed61, 0xee7c3c73,
0x5d4a14d9, 0xe864b7e3, 0x42105d14, 0x203e13e0, 0x45eee2b6, 0xa3aaabea,
0xdb6c4f15, 0xfacb4fd0, 0xc742f442, 0xef6abbb5, 0x654f3b1d, 0x41cd2105,
0xd81e799e, 0x86854dc7, 0xe44b476a, 0x3d816250, 0xcf62a1f2, 0x5b8d2646,
0xfc8883a0, 0xc1c7b6a3, 0x7f1524c3, 0x69cb7492, 0x47848a0b, 0x5692b285,
0x095bbf00, 0xad19489d, 0x1462b174, 0x23820e00, 0x58428d2a, 0x0c55f5ea,
0x1dadf43e, 0x233f7061, 0x3372f092, 0x8d937e41, 0xd65fecf1, 0x6c223bdb,
0x7cde3759, 0xcbee7460, 0x4085f2a7, 0xce77326e, 0xa6078084, 0x19f8509e,
0xe8efd855, 0x61d99735, 0xa969a7aa, 0xc50c06c2, 0x5a04abfc, 0x800bcadc,
0x9e447a2e, 0xc3453484, 0xfdd56705, 0x0e1e9ec9, 0xdb73dbd3, 0x105588cd,
0x675fda79, 0xe3674340, 0xc5c43465, 0x713e38d8, 0x3d28f89e, 0xf16dff20,
0x153e21e7, 0x8fb03d4a, 0xe6e39f2b, 0xdb83adf7,
}
var s2 = [256]uint32{
0xe93d5a68, 0x948140f7, 0xf64c261c, 0x94692934, 0x411520f7, 0x7602d4f7,
0xbcf46b2e, 0xd4a20068, 0xd4082471, 0x3320f46a, 0x43b7d4b7, 0x500061af,
0x1e39f62e, 0x97244546, 0x14214f74, 0xbf8b8840, 0x4d95fc1d, 0x96b591af,
0x70f4ddd3, 0x66a02f45, 0xbfbc09ec, 0x03bd9785, 0x7fac6dd0, 0x31cb8504,
0x96eb27b3, 0x55fd3941, 0xda2547e6, 0xabca0a9a, 0x28507825, 0x530429f4,
0x0a2c86da, 0xe9b66dfb, 0x68dc1462, 0xd7486900, 0x680ec0a4, 0x27a18dee,
0x4f3ffea2, 0xe887ad8c, 0xb58ce006, 0x7af4d6b6, 0xaace1e7c, 0xd3375fec,
0xce78a399, 0x406b2a42, 0x20fe9e35, 0xd9f385b9, 0xee39d7ab, 0x3b124e8b,
0x1dc9faf7, 0x4b6d1856, 0x26a36631, 0xeae397b2, 0x3a6efa74, 0xdd5b4332,
0x6841e7f7, 0xca7820fb, 0xfb0af54e, 0xd8feb397, 0x454056ac, 0xba489527,
0x55533a3a, 0x20838d87, 0xfe6ba9b7, 0xd096954b, 0x55a867bc, 0xa1159a58,
0xcca92963, 0x99e1db33, 0xa62a4a56, 0x3f3125f9, 0x5ef47e1c, 0x9029317c,
0xfdf8e802, 0x04272f70, 0x80bb155c, 0x05282ce3, 0x95c11548, 0xe4c66d22,
0x48c1133f, 0xc70f86dc, 0x07f9c9ee, 0x41041f0f, 0x404779a4, 0x5d886e17,
0x325f51eb, 0xd59bc0d1, 0xf2bcc18f, 0x41113564, 0x257b7834, 0x602a9c60,
0xdff8e8a3, 0x1f636c1b, 0x0e12b4c2, 0x02e1329e, 0xaf664fd1, 0xcad18115,
0x6b2395e0, 0x333e92e1, 0x3b240b62, 0xeebeb922, 0x85b2a20e, 0xe6ba0d99,
0xde720c8c, 0x2da2f728, 0xd0127845, 0x95b794fd, 0x647d0862, 0xe7ccf5f0,
0x5449a36f, 0x877d48fa, 0xc39dfd27, 0xf33e8d1e, 0x0a476341, 0x992eff74,
0x3a6f6eab, 0xf4f8fd37, 0xa812dc60, 0xa1ebddf8, 0x991be14c, 0xdb6e6b0d,
0xc67b5510, 0x6d672c37, 0x2765d43b, 0xdcd0e804, 0xf1290dc7, 0xcc00ffa3,
0xb5390f92, 0x690fed0b, 0x667b9ffb, 0xcedb7d9c, 0xa091cf0b, 0xd9155ea3,
0xbb132f88, 0x515bad24, 0x7b9479bf, 0x763bd6eb, 0x37392eb3, 0xcc115979,
0x8026e297, 0xf42e312d, 0x6842ada7, 0xc66a2b3b, 0x12754ccc, 0x782ef11c,
0x6a124237, 0xb79251e7, 0x06a1bbe6, 0x4bfb6350, 0x1a6b1018, 0x11caedfa,
0x3d25bdd8, 0xe2e1c3c9, 0x44421659, 0x0a121386, 0xd90cec6e, 0xd5abea2a,
0x64af674e, 0xda86a85f, 0xbebfe988, 0x64e4c3fe, 0x9dbc8057, 0xf0f7c086,
0x60787bf8, 0x6003604d, 0xd1fd8346, 0xf6381fb0, 0x7745ae04, 0xd736fccc,
0x83426b33, 0xf01eab71, 0xb0804187, 0x3c005e5f, 0x77a057be, 0xbde8ae24,
0x55464299, 0xbf582e61, 0x4e58f48f, 0xf2ddfda2, 0xf474ef38, 0x8789bdc2,
0x5366f9c3, 0xc8b38e74, 0xb475f255, 0x46fcd9b9, 0x7aeb2661, 0x8b1ddf84,
0x846a0e79, 0x915f95e2, 0x466e598e, 0x20b45770, 0x8cd55591, 0xc902de4c,
0xb90bace1, 0xbb8205d0, 0x11a86248, 0x7574a99e, 0xb77f19b6, 0xe0a9dc09,
0x662d09a1, 0xc4324633, 0xe85a1f02, 0x09f0be8c, 0x4a99a025, 0x1d6efe10,
0x1ab93d1d, 0x0ba5a4df, 0xa186f20f, 0x2868f169, 0xdcb7da83, 0x573906fe,
0xa1e2ce9b, 0x4fcd7f52, 0x50115e01, 0xa70683fa, 0xa002b5c4, 0x0de6d027,
0x9af88c27, 0x773f8641, 0xc3604c06, 0x61a806b5, 0xf0177a28, 0xc0f586e0,
0x006058aa, 0x30dc7d62, 0x11e69ed7, 0x2338ea63, 0x53c2dd94, 0xc2c21634,
0xbbcbee56, 0x90bcb6de, 0xebfc7da1, 0xce591d76, 0x6f05e409, 0x4b7c0188,
0x39720a3d, 0x7c927c24, 0x86e3725f, 0x724d9db9, 0x1ac15bb4, 0xd39eb8fc,
0xed545578, 0x08fca5b5, 0xd83d7cd3, 0x4dad0fc4, 0x1e50ef5e, 0xb161e6f8,
0xa28514d9, 0x6c51133c, 0x6fd5c7e7, 0x56e14ec4, 0x362abfce, 0xddc6c837,
0xd79a3234, 0x92638212, 0x670efa8e, 0x406000e0,
}
var s3 = [256]uint32{
0x3a39ce37, 0xd3faf5cf, 0xabc27737, 0x5ac52d1b, 0x5cb0679e, 0x4fa33742,
0xd3822740, 0x99bc9bbe, 0xd5118e9d, 0xbf0f7315, 0xd62d1c7e, 0xc700c47b,
0xb78c1b6b, 0x21a19045, 0xb26eb1be, 0x6a366eb4, 0x5748ab2f, 0xbc946e79,
0xc6a376d2, 0x6549c2c8, 0x530ff8ee, 0x468dde7d, 0xd5730a1d, 0x4cd04dc6,
0x2939bbdb, 0xa9ba4650, 0xac9526e8, 0xbe5ee304, 0xa1fad5f0, 0x6a2d519a,
0x63ef8ce2, 0x9a86ee22, 0xc089c2b8, 0x43242ef6, 0xa51e03aa, 0x9cf2d0a4,
0x83c061ba, 0x9be96a4d, 0x8fe51550, 0xba645bd6, 0x2826a2f9, 0xa73a3ae1,
0x4ba99586, 0xef5562e9, 0xc72fefd3, 0xf752f7da, 0x3f046f69, 0x77fa0a59,
0x80e4a915, 0x87b08601, 0x9b09e6ad, 0x3b3ee593, 0xe990fd5a, 0x9e34d797,
0x2cf0b7d9, 0x022b8b51, 0x96d5ac3a, 0x017da67d, 0xd1cf3ed6, 0x7c7d2d28,
0x1f9f25cf, 0xadf2b89b, 0x5ad6b472, 0x5a88f54c, 0xe029ac71, 0xe019a5e6,
0x47b0acfd, 0xed93fa9b, 0xe8d3c48d, 0x283b57cc, 0xf8d56629, 0x79132e28,
0x785f0191, 0xed756055, 0xf7960e44, 0xe3d35e8c, 0x15056dd4, 0x88f46dba,
0x03a16125, 0x0564f0bd, 0xc3eb9e15, 0x3c9057a2, 0x97271aec, 0xa93a072a,
0x1b3f6d9b, 0x1e6321f5, 0xf59c66fb, 0x26dcf319, 0x7533d928, 0xb155fdf5,
0x03563482, 0x8aba3cbb, 0x28517711, 0xc20ad9f8, 0xabcc5167, 0xccad925f,
0x4de81751, 0x3830dc8e, 0x379d5862, 0x9320f991, 0xea7a90c2, 0xfb3e7bce,
0x5121ce64, 0x774fbe32, 0xa8b6e37e, 0xc3293d46, 0x48de5369, 0x6413e680,
0xa2ae0810, 0xdd6db224, 0x69852dfd, 0x09072166, 0xb39a460a, 0x6445c0dd,
0x586cdecf, 0x1c20c8ae, 0x5bbef7dd, 0x1b588d40, 0xccd2017f, 0x6bb4e3bb,
0xdda26a7e, 0x3a59ff45, 0x3e350a44, 0xbcb4cdd5, 0x72eacea8, 0xfa6484bb,
0x8d6612ae, 0xbf3c6f47, 0xd29be463, 0x542f5d9e, 0xaec2771b, 0xf64e6370,
0x740e0d8d, 0xe75b1357, 0xf8721671, 0xaf537d5d, 0x4040cb08, 0x4eb4e2cc,
0x34d2466a, 0x0115af84, 0xe1b00428, 0x95983a1d, 0x06b89fb4, 0xce6ea048,
0x6f3f3b82, 0x3520ab82, 0x011a1d4b, 0x277227f8, 0x611560b1, 0xe7933fdc,
0xbb3a792b, 0x344525bd, 0xa08839e1, 0x51ce794b, 0x2f32c9b7, 0xa01fbac9,
0xe01cc87e, 0xbcc7d1f6, 0xcf0111c3, 0xa1e8aac7, 0x1a908749, 0xd44fbd9a,
0xd0dadecb, 0xd50ada38, 0x0339c32a, 0xc6913667, 0x8df9317c, 0xe0b12b4f,
0xf79e59b7, 0x43f5bb3a, 0xf2d519ff, 0x27d9459c, 0xbf97222c, 0x15e6fc2a,
0x0f91fc71, 0x9b941525, 0xfae59361, 0xceb69ceb, 0xc2a86459, 0x12baa8d1,
0xb6c1075e, 0xe3056a0c, 0x10d25065, 0xcb03a442, 0xe0ec6e0e, 0x1698db3b,
0x4c98a0be, 0x3278e964, 0x9f1f9532, 0xe0d392df, 0xd3a0342b, 0x8971f21e,
0x1b0a7441, 0x4ba3348c, 0xc5be7120, 0xc37632d8, 0xdf359f8d, 0x9b992f2e,
0xe60b6f47, 0x0fe3f11d, 0xe54cda54, 0x1edad891, 0xce6279cf, 0xcd3e7e6f,
0x1618b166, 0xfd2c1d05, 0x848fd2c5, 0xf6fb2299, 0xf523f357, 0xa6327623,
0x93a83531, 0x56cccd02, 0xacf08162, 0x5a75ebb5, 0x6e163697, 0x88d273cc,
0xde966292, 0x81b949d0, 0x4c50901b, 0x71c65614, 0xe6c6c7bd, 0x327a140a,
0x45e1d006, 0xc3f27b9a, 0xc9aa53fd, 0x62a80f00, 0xbb25bfe2, 0x35bdd2f6,
0x71126905, 0xb2040222, 0xb6cbcf7c, 0xcd769c2b, 0x53113ec0, 0x1640e3d3,
0x38abbd60, 0x2547adf0, 0xba38209c, 0xf746ce76, 0x77afa1c5, 0x20756060,
0x85cbfe4e, 0x8ae88dd8, 0x7aaaf9b0, 0x4cf9aa7e, 0x1948c25c, 0x02fb8a8c,
0x01c36ae4, 0xd6ebe1f9, 0x90d4f869, 0xa65cdea0, 0x3f09252d, 0xc208e69f,
0xb74e6132, 0xce77e25b, 0x578fdfe3, 0x3ac372e6,
}
var p = [18]uint32{
0x243f6a88, 0x85a308d3, 0x13198a2e, 0x03707344, 0xa4093822, 0x299f31d0,
0x082efa98, 0xec4e6c89, 0x452821e6, 0x38d01377, 0xbe5466cf, 0x34e90c6c,
0xc0ac29b7, 0xc97c50dd, 0x3f84d5b5, 0xb5470917, 0x9216d5d9, 0x8979fb1b,
}

6
vendor/modules.txt vendored
View file

@ -42,6 +42,10 @@ github.com/hashicorp/errwrap
# github.com/hashicorp/go-multierror v1.1.0
## explicit; go 1.14
github.com/hashicorp/go-multierror
# github.com/jmoiron/sqlx v1.3.1
## explicit; go 1.10
github.com/jmoiron/sqlx
github.com/jmoiron/sqlx/reflectx
# github.com/lestrrat-go/backoff/v2 v2.0.8
## explicit; go 1.16
github.com/lestrrat-go/backoff/v2
@ -106,6 +110,8 @@ github.com/urfave/cli/v2
go.uber.org/atomic
# golang.org/x/crypto v0.0.0-20210921155107-089bfa567519
## explicit; go 1.17
golang.org/x/crypto/bcrypt
golang.org/x/crypto/blowfish
golang.org/x/crypto/curve25519
golang.org/x/crypto/curve25519/internal/field
golang.org/x/crypto/ed25519