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* [chore]: Bump github.com/prometheus/client_golang from 1.18.0 to 1.19.1 Bumps [github.com/prometheus/client_golang](https://github.com/prometheus/client_golang) from 1.18.0 to 1.19.1. - [Release notes](https://github.com/prometheus/client_golang/releases) - [Changelog](https://github.com/prometheus/client_golang/blob/main/CHANGELOG.md) - [Commits](https://github.com/prometheus/client_golang/compare/v1.18.0...v1.19.1) --- updated-dependencies: - dependency-name: github.com/prometheus/client_golang dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] <support@github.com> * [chore]: Bump github.com/KimMachineGun/automemlimit from 0.6.0 to 0.6.1 Bumps [github.com/KimMachineGun/automemlimit](https://github.com/KimMachineGun/automemlimit) from 0.6.0 to 0.6.1. - [Release notes](https://github.com/KimMachineGun/automemlimit/releases) - [Commits](https://github.com/KimMachineGun/automemlimit/compare/v0.6.0...v0.6.1) --- updated-dependencies: - dependency-name: github.com/KimMachineGun/automemlimit dependency-type: direct:production update-type: version-update:semver-patch ... Signed-off-by: dependabot[bot] <support@github.com> * [chore]: Bump github.com/tdewolff/minify/v2 from 2.20.20 to 2.20.24 Bumps [github.com/tdewolff/minify/v2](https://github.com/tdewolff/minify) from 2.20.20 to 2.20.24. - [Release notes](https://github.com/tdewolff/minify/releases) - [Commits](https://github.com/tdewolff/minify/compare/v2.20.20...v2.20.24) --- updated-dependencies: - dependency-name: github.com/tdewolff/minify/v2 dependency-type: direct:production update-type: version-update:semver-patch ... Signed-off-by: dependabot[bot] <support@github.com> * [chore]: Bump github.com/go-swagger/go-swagger Bumps [github.com/go-swagger/go-swagger](https://github.com/go-swagger/go-swagger) from 0.30.6-0.20240418033037-c46c303aaa02 to 0.31.0. - [Release notes](https://github.com/go-swagger/go-swagger/releases) - [Changelog](https://github.com/go-swagger/go-swagger/blob/master/.goreleaser.yml) - [Commits](https://github.com/go-swagger/go-swagger/commits/v0.31.0) --- updated-dependencies: - dependency-name: github.com/go-swagger/go-swagger dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] <support@github.com> * [chore]: Bump github.com/gin-gonic/gin from 1.9.1 to 1.10.0 Bumps [github.com/gin-gonic/gin](https://github.com/gin-gonic/gin) from 1.9.1 to 1.10.0. - [Release notes](https://github.com/gin-gonic/gin/releases) - [Changelog](https://github.com/gin-gonic/gin/blob/master/CHANGELOG.md) - [Commits](https://github.com/gin-gonic/gin/compare/v1.9.1...v1.10.0) --- updated-dependencies: - dependency-name: github.com/gin-gonic/gin dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] <support@github.com> --------- Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
117 lines
3.7 KiB
Go
117 lines
3.7 KiB
Go
// Copyright 2014 Manu Martinez-Almeida. All rights reserved.
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// Use of this source code is governed by a MIT style
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// license that can be found in the LICENSE file.
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package gin
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import (
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"crypto/subtle"
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"encoding/base64"
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"net/http"
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"strconv"
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"github.com/gin-gonic/gin/internal/bytesconv"
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)
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// AuthUserKey is the cookie name for user credential in basic auth.
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const AuthUserKey = "user"
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// AuthProxyUserKey is the cookie name for proxy_user credential in basic auth for proxy.
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const AuthProxyUserKey = "proxy_user"
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// Accounts defines a key/value for user/pass list of authorized logins.
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type Accounts map[string]string
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type authPair struct {
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value string
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user string
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}
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type authPairs []authPair
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func (a authPairs) searchCredential(authValue string) (string, bool) {
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if authValue == "" {
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return "", false
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}
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for _, pair := range a {
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if subtle.ConstantTimeCompare(bytesconv.StringToBytes(pair.value), bytesconv.StringToBytes(authValue)) == 1 {
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return pair.user, true
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}
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}
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return "", false
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}
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// BasicAuthForRealm returns a Basic HTTP Authorization middleware. It takes as arguments a map[string]string where
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// the key is the user name and the value is the password, as well as the name of the Realm.
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// If the realm is empty, "Authorization Required" will be used by default.
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// (see http://tools.ietf.org/html/rfc2617#section-1.2)
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func BasicAuthForRealm(accounts Accounts, realm string) HandlerFunc {
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if realm == "" {
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realm = "Authorization Required"
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}
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realm = "Basic realm=" + strconv.Quote(realm)
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pairs := processAccounts(accounts)
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return func(c *Context) {
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// Search user in the slice of allowed credentials
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user, found := pairs.searchCredential(c.requestHeader("Authorization"))
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if !found {
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// Credentials doesn't match, we return 401 and abort handlers chain.
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c.Header("WWW-Authenticate", realm)
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c.AbortWithStatus(http.StatusUnauthorized)
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return
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}
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// The user credentials was found, set user's id to key AuthUserKey in this context, the user's id can be read later using
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// c.MustGet(gin.AuthUserKey).
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c.Set(AuthUserKey, user)
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}
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}
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// BasicAuth returns a Basic HTTP Authorization middleware. It takes as argument a map[string]string where
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// the key is the user name and the value is the password.
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func BasicAuth(accounts Accounts) HandlerFunc {
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return BasicAuthForRealm(accounts, "")
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}
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func processAccounts(accounts Accounts) authPairs {
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length := len(accounts)
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assert1(length > 0, "Empty list of authorized credentials")
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pairs := make(authPairs, 0, length)
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for user, password := range accounts {
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assert1(user != "", "User can not be empty")
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value := authorizationHeader(user, password)
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pairs = append(pairs, authPair{
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value: value,
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user: user,
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})
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}
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return pairs
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}
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func authorizationHeader(user, password string) string {
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base := user + ":" + password
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return "Basic " + base64.StdEncoding.EncodeToString(bytesconv.StringToBytes(base))
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}
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// BasicAuthForProxy returns a Basic HTTP Proxy-Authorization middleware.
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// If the realm is empty, "Proxy Authorization Required" will be used by default.
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func BasicAuthForProxy(accounts Accounts, realm string) HandlerFunc {
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if realm == "" {
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realm = "Proxy Authorization Required"
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}
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realm = "Basic realm=" + strconv.Quote(realm)
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pairs := processAccounts(accounts)
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return func(c *Context) {
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proxyUser, found := pairs.searchCredential(c.requestHeader("Proxy-Authorization"))
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if !found {
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// Credentials doesn't match, we return 407 and abort handlers chain.
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c.Header("Proxy-Authenticate", realm)
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c.AbortWithStatus(http.StatusProxyAuthRequired)
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return
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}
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// The proxy_user credentials was found, set proxy_user's id to key AuthProxyUserKey in this context, the proxy_user's id can be read later using
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// c.MustGet(gin.AuthProxyUserKey).
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c.Set(AuthProxyUserKey, proxyUser)
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}
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}
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