forked from forgejo/forgejo
Added all required dependencies
This commit is contained in:
Thomas Boerger
parent
78f86abba4
commit
1ebb35b988
660 changed files with 502447 additions and 0 deletions
548
vendor/github.com/go-sql-driver/mysql/dsn.go
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vendored
Normal file
548
vendor/github.com/go-sql-driver/mysql/dsn.go
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vendored
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@ -0,0 +1,548 @@
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// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
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//
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// Copyright 2016 The Go-MySQL-Driver Authors. All rights reserved.
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//
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this file,
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// You can obtain one at http://mozilla.org/MPL/2.0/.
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package mysql
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import (
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"bytes"
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"crypto/tls"
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"errors"
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"fmt"
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"net"
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"net/url"
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"strconv"
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"strings"
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"time"
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)
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var (
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errInvalidDSNUnescaped = errors.New("invalid DSN: did you forget to escape a param value?")
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errInvalidDSNAddr = errors.New("invalid DSN: network address not terminated (missing closing brace)")
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errInvalidDSNNoSlash = errors.New("invalid DSN: missing the slash separating the database name")
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errInvalidDSNUnsafeCollation = errors.New("invalid DSN: interpolateParams can not be used with unsafe collations")
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)
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// Config is a configuration parsed from a DSN string
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type Config struct {
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User string // Username
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Passwd string // Password (requires User)
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Net string // Network type
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Addr string // Network address (requires Net)
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DBName string // Database name
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Params map[string]string // Connection parameters
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Collation string // Connection collation
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Loc *time.Location // Location for time.Time values
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MaxAllowedPacket int // Max packet size allowed
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TLSConfig string // TLS configuration name
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tls *tls.Config // TLS configuration
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Timeout time.Duration // Dial timeout
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ReadTimeout time.Duration // I/O read timeout
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WriteTimeout time.Duration // I/O write timeout
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AllowAllFiles bool // Allow all files to be used with LOAD DATA LOCAL INFILE
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AllowCleartextPasswords bool // Allows the cleartext client side plugin
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AllowNativePasswords bool // Allows the native password authentication method
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AllowOldPasswords bool // Allows the old insecure password method
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ClientFoundRows bool // Return number of matching rows instead of rows changed
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ColumnsWithAlias bool // Prepend table alias to column names
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InterpolateParams bool // Interpolate placeholders into query string
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MultiStatements bool // Allow multiple statements in one query
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ParseTime bool // Parse time values to time.Time
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Strict bool // Return warnings as errors
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}
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// FormatDSN formats the given Config into a DSN string which can be passed to
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// the driver.
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func (cfg *Config) FormatDSN() string {
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var buf bytes.Buffer
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// [username[:password]@]
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if len(cfg.User) > 0 {
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buf.WriteString(cfg.User)
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if len(cfg.Passwd) > 0 {
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buf.WriteByte(':')
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buf.WriteString(cfg.Passwd)
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}
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buf.WriteByte('@')
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}
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// [protocol[(address)]]
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if len(cfg.Net) > 0 {
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buf.WriteString(cfg.Net)
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if len(cfg.Addr) > 0 {
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buf.WriteByte('(')
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buf.WriteString(cfg.Addr)
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buf.WriteByte(')')
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}
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}
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// /dbname
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buf.WriteByte('/')
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buf.WriteString(cfg.DBName)
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// [?param1=value1&...¶mN=valueN]
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hasParam := false
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if cfg.AllowAllFiles {
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hasParam = true
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buf.WriteString("?allowAllFiles=true")
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}
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if cfg.AllowCleartextPasswords {
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if hasParam {
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buf.WriteString("&allowCleartextPasswords=true")
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} else {
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hasParam = true
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buf.WriteString("?allowCleartextPasswords=true")
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}
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}
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if cfg.AllowNativePasswords {
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if hasParam {
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buf.WriteString("&allowNativePasswords=true")
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} else {
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hasParam = true
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buf.WriteString("?allowNativePasswords=true")
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}
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}
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if cfg.AllowOldPasswords {
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if hasParam {
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buf.WriteString("&allowOldPasswords=true")
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} else {
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hasParam = true
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buf.WriteString("?allowOldPasswords=true")
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}
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}
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if cfg.ClientFoundRows {
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if hasParam {
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buf.WriteString("&clientFoundRows=true")
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} else {
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hasParam = true
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buf.WriteString("?clientFoundRows=true")
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}
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}
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if col := cfg.Collation; col != defaultCollation && len(col) > 0 {
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if hasParam {
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buf.WriteString("&collation=")
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} else {
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hasParam = true
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buf.WriteString("?collation=")
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}
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buf.WriteString(col)
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}
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if cfg.ColumnsWithAlias {
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if hasParam {
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buf.WriteString("&columnsWithAlias=true")
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} else {
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hasParam = true
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buf.WriteString("?columnsWithAlias=true")
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}
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}
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if cfg.InterpolateParams {
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if hasParam {
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buf.WriteString("&interpolateParams=true")
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} else {
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hasParam = true
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buf.WriteString("?interpolateParams=true")
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}
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}
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if cfg.Loc != time.UTC && cfg.Loc != nil {
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if hasParam {
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buf.WriteString("&loc=")
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} else {
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hasParam = true
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buf.WriteString("?loc=")
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}
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buf.WriteString(url.QueryEscape(cfg.Loc.String()))
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}
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if cfg.MultiStatements {
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if hasParam {
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buf.WriteString("&multiStatements=true")
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} else {
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hasParam = true
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buf.WriteString("?multiStatements=true")
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}
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}
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if cfg.ParseTime {
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if hasParam {
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buf.WriteString("&parseTime=true")
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} else {
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hasParam = true
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buf.WriteString("?parseTime=true")
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}
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}
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if cfg.ReadTimeout > 0 {
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if hasParam {
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buf.WriteString("&readTimeout=")
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} else {
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hasParam = true
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buf.WriteString("?readTimeout=")
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}
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buf.WriteString(cfg.ReadTimeout.String())
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}
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if cfg.Strict {
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if hasParam {
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buf.WriteString("&strict=true")
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} else {
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hasParam = true
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buf.WriteString("?strict=true")
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}
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}
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if cfg.Timeout > 0 {
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if hasParam {
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buf.WriteString("&timeout=")
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} else {
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hasParam = true
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buf.WriteString("?timeout=")
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}
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buf.WriteString(cfg.Timeout.String())
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}
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if len(cfg.TLSConfig) > 0 {
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if hasParam {
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buf.WriteString("&tls=")
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} else {
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hasParam = true
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buf.WriteString("?tls=")
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}
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buf.WriteString(url.QueryEscape(cfg.TLSConfig))
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}
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if cfg.WriteTimeout > 0 {
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if hasParam {
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buf.WriteString("&writeTimeout=")
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} else {
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hasParam = true
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buf.WriteString("?writeTimeout=")
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}
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buf.WriteString(cfg.WriteTimeout.String())
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}
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if cfg.MaxAllowedPacket > 0 {
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if hasParam {
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buf.WriteString("&maxAllowedPacket=")
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} else {
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hasParam = true
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buf.WriteString("?maxAllowedPacket=")
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}
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buf.WriteString(strconv.Itoa(cfg.MaxAllowedPacket))
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}
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// other params
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if cfg.Params != nil {
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for param, value := range cfg.Params {
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if hasParam {
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buf.WriteByte('&')
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} else {
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hasParam = true
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buf.WriteByte('?')
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}
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buf.WriteString(param)
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buf.WriteByte('=')
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buf.WriteString(url.QueryEscape(value))
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}
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}
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return buf.String()
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}
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// ParseDSN parses the DSN string to a Config
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func ParseDSN(dsn string) (cfg *Config, err error) {
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// New config with some default values
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cfg = &Config{
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Loc: time.UTC,
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Collation: defaultCollation,
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}
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// [user[:password]@][net[(addr)]]/dbname[?param1=value1¶mN=valueN]
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// Find the last '/' (since the password or the net addr might contain a '/')
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foundSlash := false
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for i := len(dsn) - 1; i >= 0; i-- {
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if dsn[i] == '/' {
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foundSlash = true
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var j, k int
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// left part is empty if i <= 0
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if i > 0 {
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// [username[:password]@][protocol[(address)]]
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// Find the last '@' in dsn[:i]
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for j = i; j >= 0; j-- {
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if dsn[j] == '@' {
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// username[:password]
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// Find the first ':' in dsn[:j]
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for k = 0; k < j; k++ {
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if dsn[k] == ':' {
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cfg.Passwd = dsn[k+1 : j]
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break
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}
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}
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cfg.User = dsn[:k]
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break
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}
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}
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// [protocol[(address)]]
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// Find the first '(' in dsn[j+1:i]
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for k = j + 1; k < i; k++ {
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if dsn[k] == '(' {
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// dsn[i-1] must be == ')' if an address is specified
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if dsn[i-1] != ')' {
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if strings.ContainsRune(dsn[k+1:i], ')') {
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return nil, errInvalidDSNUnescaped
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}
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return nil, errInvalidDSNAddr
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}
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cfg.Addr = dsn[k+1 : i-1]
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break
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}
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}
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cfg.Net = dsn[j+1 : k]
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}
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// dbname[?param1=value1&...¶mN=valueN]
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// Find the first '?' in dsn[i+1:]
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for j = i + 1; j < len(dsn); j++ {
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if dsn[j] == '?' {
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if err = parseDSNParams(cfg, dsn[j+1:]); err != nil {
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return
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}
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break
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}
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}
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cfg.DBName = dsn[i+1 : j]
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break
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}
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}
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if !foundSlash && len(dsn) > 0 {
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return nil, errInvalidDSNNoSlash
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}
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if cfg.InterpolateParams && unsafeCollations[cfg.Collation] {
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return nil, errInvalidDSNUnsafeCollation
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}
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// Set default network if empty
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if cfg.Net == "" {
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cfg.Net = "tcp"
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}
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// Set default address if empty
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if cfg.Addr == "" {
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switch cfg.Net {
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case "tcp":
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cfg.Addr = "127.0.0.1:3306"
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case "unix":
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cfg.Addr = "/tmp/mysql.sock"
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default:
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return nil, errors.New("default addr for network '" + cfg.Net + "' unknown")
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}
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}
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return
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}
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// parseDSNParams parses the DSN "query string"
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// Values must be url.QueryEscape'ed
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func parseDSNParams(cfg *Config, params string) (err error) {
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for _, v := range strings.Split(params, "&") {
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param := strings.SplitN(v, "=", 2)
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if len(param) != 2 {
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continue
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}
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// cfg params
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switch value := param[1]; param[0] {
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// Disable INFILE whitelist / enable all files
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case "allowAllFiles":
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var isBool bool
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cfg.AllowAllFiles, isBool = readBool(value)
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if !isBool {
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return errors.New("invalid bool value: " + value)
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}
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// Use cleartext authentication mode (MySQL 5.5.10+)
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case "allowCleartextPasswords":
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var isBool bool
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cfg.AllowCleartextPasswords, isBool = readBool(value)
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if !isBool {
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return errors.New("invalid bool value: " + value)
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}
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// Use native password authentication
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case "allowNativePasswords":
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var isBool bool
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cfg.AllowNativePasswords, isBool = readBool(value)
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if !isBool {
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return errors.New("invalid bool value: " + value)
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}
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// Use old authentication mode (pre MySQL 4.1)
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case "allowOldPasswords":
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var isBool bool
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cfg.AllowOldPasswords, isBool = readBool(value)
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if !isBool {
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return errors.New("invalid bool value: " + value)
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}
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// Switch "rowsAffected" mode
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case "clientFoundRows":
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var isBool bool
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cfg.ClientFoundRows, isBool = readBool(value)
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if !isBool {
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return errors.New("invalid bool value: " + value)
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}
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// Collation
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case "collation":
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cfg.Collation = value
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break
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case "columnsWithAlias":
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var isBool bool
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cfg.ColumnsWithAlias, isBool = readBool(value)
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if !isBool {
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return errors.New("invalid bool value: " + value)
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}
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// Compression
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case "compress":
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return errors.New("compression not implemented yet")
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// Enable client side placeholder substitution
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case "interpolateParams":
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var isBool bool
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cfg.InterpolateParams, isBool = readBool(value)
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if !isBool {
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return errors.New("invalid bool value: " + value)
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}
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// Time Location
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case "loc":
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if value, err = url.QueryUnescape(value); err != nil {
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return
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}
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cfg.Loc, err = time.LoadLocation(value)
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if err != nil {
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return
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}
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// multiple statements in one query
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case "multiStatements":
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var isBool bool
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cfg.MultiStatements, isBool = readBool(value)
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if !isBool {
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return errors.New("invalid bool value: " + value)
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}
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// time.Time parsing
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case "parseTime":
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var isBool bool
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cfg.ParseTime, isBool = readBool(value)
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if !isBool {
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return errors.New("invalid bool value: " + value)
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}
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// I/O read Timeout
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case "readTimeout":
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cfg.ReadTimeout, err = time.ParseDuration(value)
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if err != nil {
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return
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}
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// Strict mode
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case "strict":
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var isBool bool
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cfg.Strict, isBool = readBool(value)
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if !isBool {
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return errors.New("invalid bool value: " + value)
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}
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// Dial Timeout
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case "timeout":
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cfg.Timeout, err = time.ParseDuration(value)
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if err != nil {
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return
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}
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// TLS-Encryption
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case "tls":
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boolValue, isBool := readBool(value)
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if isBool {
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if boolValue {
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cfg.TLSConfig = "true"
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cfg.tls = &tls.Config{}
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} else {
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cfg.TLSConfig = "false"
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}
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} else if vl := strings.ToLower(value); vl == "skip-verify" {
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cfg.TLSConfig = vl
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cfg.tls = &tls.Config{InsecureSkipVerify: true}
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} else {
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name, err := url.QueryUnescape(value)
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if err != nil {
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return fmt.Errorf("invalid value for TLS config name: %v", err)
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}
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if tlsConfig, ok := tlsConfigRegister[name]; ok {
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if len(tlsConfig.ServerName) == 0 && !tlsConfig.InsecureSkipVerify {
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host, _, err := net.SplitHostPort(cfg.Addr)
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if err == nil {
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tlsConfig.ServerName = host
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}
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}
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cfg.TLSConfig = name
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cfg.tls = tlsConfig
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} else {
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return errors.New("invalid value / unknown config name: " + name)
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}
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}
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// I/O write Timeout
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case "writeTimeout":
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cfg.WriteTimeout, err = time.ParseDuration(value)
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if err != nil {
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return
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}
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case "maxAllowedPacket":
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cfg.MaxAllowedPacket, err = strconv.Atoi(value)
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if err != nil {
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return
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||||
}
|
||||
default:
|
||||
// lazy init
|
||||
if cfg.Params == nil {
|
||||
cfg.Params = make(map[string]string)
|
||||
}
|
||||
|
||||
if cfg.Params[param[0]], err = url.QueryUnescape(value); err != nil {
|
||||
return
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue