mirror of
https://github.com/go-gitea/gitea
synced 2024-10-31 15:24:25 +00:00
Add reverse proxy configuration support for remote IP address (#14959)
* Add reverse proxy configuration support for remote IP address validation * Trust all IP addresses in containerized environments by default * Use single option to specify networks and proxy IP addresses. By default trust all loopback IPs Co-authored-by: techknowlogick <techknowlogick@gitea.io>
This commit is contained in:
parent
6e423d5573
commit
044cd4d016
@ -549,6 +549,10 @@ COOKIE_REMEMBER_NAME = gitea_incredible
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; Reverse proxy authentication header name of user name
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REVERSE_PROXY_AUTHENTICATION_USER = X-WEBAUTH-USER
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REVERSE_PROXY_AUTHENTICATION_EMAIL = X-WEBAUTH-EMAIL
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; Interpret X-Forwarded-For header or the X-Real-IP header and set this as the remote IP for the request
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REVERSE_PROXY_LIMIT = 1
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; List of IP addresses and networks seperated by comma of trusted proxy servers. Use `*` to trust all.
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REVERSE_PROXY_TRUSTED_PROXIES = 127.0.0.0/8,::1/128
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; The minimum password length for new Users
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MIN_PASSWORD_LENGTH = 6
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; Set to true to allow users to import local server paths
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@ -53,6 +53,8 @@ ROOT_PATH = /data/gitea/log
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[security]
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INSTALL_LOCK = $INSTALL_LOCK
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SECRET_KEY = $SECRET_KEY
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REVERSE_PROXY_LIMIT = 1
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REVERSE_PROXY_TRUSTED_PROXIES = *
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[service]
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DISABLE_REGISTRATION = $DISABLE_REGISTRATION
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@ -49,6 +49,8 @@ ROOT_PATH = $GITEA_WORK_DIR/data/log
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[security]
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INSTALL_LOCK = $INSTALL_LOCK
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SECRET_KEY = $SECRET_KEY
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REVERSE_PROXY_LIMIT = 1
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REVERSE_PROXY_TRUSTED_PROXIES = *
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[service]
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DISABLE_REGISTRATION = $DISABLE_REGISTRATION
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@ -390,6 +390,9 @@ relation to port exhaustion.
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authentication.
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- `REVERSE_PROXY_AUTHENTICATION_EMAIL`: **X-WEBAUTH-EMAIL**: Header name for reverse proxy
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authentication provided email.
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- `REVERSE_PROXY_LIMIT`: **1**: Interpret X-Forwarded-For header or the X-Real-IP header and set this as the remote IP for the request.
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Number of trusted proxy count. Set to zero to not use these headers.
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- `REVERSE_PROXY_TRUSTED_PROXIES`: **127.0.0.0/8,::1/128**: List of IP addresses and networks separated by comma of trusted proxy servers. Use `*` to trust all.
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- `DISABLE_GIT_HOOKS`: **true**: Set to `false` to enable users with git hook privilege to create custom git hooks.
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WARNING: Custom git hooks can be used to perform arbitrary code execution on the host operating system.
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This enables the users to access and modify this config file and the Gitea database and interrupt the Gitea service.
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1
go.mod
1
go.mod
@ -22,6 +22,7 @@ require (
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github.com/boombuler/barcode v1.0.1 // indirect
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github.com/bradfitz/gomemcache v0.0.0-20190913173617-a41fca850d0b // indirect
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github.com/caddyserver/certmagic v0.12.0
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github.com/chi-middleware/proxy v1.1.1
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github.com/couchbase/go-couchbase v0.0.0-20210224140812-5740cd35f448 // indirect
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github.com/couchbase/gomemcached v0.1.2 // indirect
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github.com/couchbase/goutils v0.0.0-20210118111533-e33d3ffb5401 // indirect
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4
go.sum
4
go.sum
@ -194,6 +194,8 @@ github.com/cespare/xxhash v1.1.0 h1:a6HrQnmkObjyL+Gs60czilIUGqrzKutQD6XZog3p+ko=
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github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
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github.com/cespare/xxhash/v2 v2.1.1 h1:6MnRN8NT7+YBpUIWxHtefFZOKTAPgGjpQSxqLNn0+qY=
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github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
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github.com/chi-middleware/proxy v1.1.1 h1:4HaXUp8o2+bhHr1OhVy+VjN0+L7/07JDcn6v7YrTjrQ=
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github.com/chi-middleware/proxy v1.1.1/go.mod h1:jQwMEJct2tz9VmtCELxvnXoMfa+SOdikvbVJVHv/M+0=
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github.com/chris-ramon/douceur v0.2.0 h1:IDMEdxlEUUBYBKE4z/mJnFyVXox+MjuEVDJNN27glkU=
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github.com/chris-ramon/douceur v0.2.0/go.mod h1:wDW5xjJdeoMm1mRt4sD4c/LbF/mWdEpRXQKjTR8nIBE=
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github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
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@ -318,6 +320,8 @@ github.com/go-asn1-ber/asn1-ber v1.5.3/go.mod h1:hEBeB/ic+5LoWskz+yKT7vGhhPYkPro
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github.com/go-chi/chi v1.5.1/go.mod h1:REp24E+25iKvxgeTfHmdUoL5x15kBiDBlnIl5bCwe2k=
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github.com/go-chi/chi v1.5.4 h1:QHdzF2szwjqVV4wmByUnTcsbIg7UGaQ0tPF2t5GcAIs=
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github.com/go-chi/chi v1.5.4/go.mod h1:uaf8YgoFazUOkPBG7fxPftUylNumIev9awIWOENIuEg=
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github.com/go-chi/chi/v5 v5.0.1 h1:ALxjCrTf1aflOlkhMnCUP86MubbWFrzB3gkRPReLpTo=
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github.com/go-chi/chi/v5 v5.0.1/go.mod h1:DslCQbL2OYiznFReuXYUmQ2hGd1aDpCnlMNITLSKoi8=
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github.com/go-chi/cors v1.1.1 h1:eHuqxsIw89iXcWnWUN8R72JMibABJTN/4IOYI5WERvw=
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github.com/go-chi/cors v1.1.1/go.mod h1:K2Yje0VW/SJzxiyMYu6iPQYa7hMjQX2i/F491VChg1I=
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github.com/go-enry/go-enry/v2 v2.6.1 h1:ckFkMVj2NeHpaQDFDiSjanVjNy2IiuMNivhXDB4c5Q0=
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@ -169,6 +169,8 @@ var (
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CookieRememberName string
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ReverseProxyAuthUser string
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ReverseProxyAuthEmail string
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ReverseProxyLimit int
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ReverseProxyTrustedProxies []string
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MinPasswordLength int
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ImportLocalPaths bool
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DisableGitHooks bool
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@ -819,8 +821,16 @@ func NewContext() {
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LogInRememberDays = sec.Key("LOGIN_REMEMBER_DAYS").MustInt(7)
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CookieUserName = sec.Key("COOKIE_USERNAME").MustString("gitea_awesome")
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CookieRememberName = sec.Key("COOKIE_REMEMBER_NAME").MustString("gitea_incredible")
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ReverseProxyAuthUser = sec.Key("REVERSE_PROXY_AUTHENTICATION_USER").MustString("X-WEBAUTH-USER")
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ReverseProxyAuthEmail = sec.Key("REVERSE_PROXY_AUTHENTICATION_EMAIL").MustString("X-WEBAUTH-EMAIL")
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ReverseProxyLimit = sec.Key("REVERSE_PROXY_LIMIT").MustInt(1)
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ReverseProxyTrustedProxies = sec.Key("REVERSE_PROXY_TRUSTED_PROXIES").Strings(",")
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if len(ReverseProxyTrustedProxies) == 0 {
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ReverseProxyTrustedProxies = []string{"127.0.0.0/8", "::1/128"}
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}
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MinPasswordLength = sec.Key("MIN_PASSWORD_LENGTH").MustInt(6)
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ImportLocalPaths = sec.Key("IMPORT_LOCAL_PATHS").MustBool(false)
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DisableGitHooks = sec.Key("DISABLE_GIT_HOOKS").MustBool(true)
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@ -46,6 +46,7 @@ import (
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"gitea.com/go-chi/captcha"
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"gitea.com/go-chi/session"
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"github.com/NYTimes/gziphandler"
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"github.com/chi-middleware/proxy"
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"github.com/go-chi/chi/middleware"
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"github.com/go-chi/cors"
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"github.com/prometheus/client_golang/prometheus"
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@ -65,14 +66,30 @@ func commonMiddlewares() []func(http.Handler) http.Handler {
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next.ServeHTTP(context.NewResponse(resp), req)
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})
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},
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middleware.RealIP,
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middleware.StripSlashes,
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}
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if setting.ReverseProxyLimit > 0 {
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opt := proxy.NewForwardedHeadersOptions().
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WithForwardLimit(setting.ReverseProxyLimit).
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ClearTrustedProxies()
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for _, n := range setting.ReverseProxyTrustedProxies {
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if !strings.Contains(n, "/") {
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opt.AddTrustedProxy(n)
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} else {
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opt.AddTrustedNetwork(n)
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}
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}
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handlers = append(handlers, proxy.ForwardedHeaders(opt))
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}
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handlers = append(handlers, middleware.StripSlashes)
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if !setting.DisableRouterLog && setting.RouterLogLevel != log.NONE {
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if log.GetLogger("router").GetLevel() <= setting.RouterLogLevel {
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handlers = append(handlers, LoggerHandler(setting.RouterLogLevel))
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}
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}
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handlers = append(handlers, func(next http.Handler) http.Handler {
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return http.HandlerFunc(func(resp http.ResponseWriter, req *http.Request) {
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// Why we need this? The Recovery() will try to render a beautiful
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42
vendor/github.com/chi-middleware/proxy/.drone.yml
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vendored
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42
vendor/github.com/chi-middleware/proxy/.drone.yml
generated
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@ -0,0 +1,42 @@
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---
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kind: pipeline
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name: compliance
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platform:
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os: linux
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arch: amd64
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steps:
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- name: lint
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pull: always
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image: golang:1.14
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commands:
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- make fmt-check
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- make misspell-check
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- make lint
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- name: test
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pull: always
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image: golang:1.14
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commands:
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- make test
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depends_on:
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- lint
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- name: coverage
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pull: always
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image: robertstettner/drone-codecov
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settings:
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files:
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- coverage.out
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environment:
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CODECOV_TOKEN:
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from_secret: codecov_token
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depends_on:
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- test
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when:
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branch:
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- master
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event:
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- push
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- pull_request
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2
vendor/github.com/chi-middleware/proxy/.gitignore
generated
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2
vendor/github.com/chi-middleware/proxy/.gitignore
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@ -0,0 +1,2 @@
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vendor/
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coverage.out
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9
vendor/github.com/chi-middleware/proxy/.golangci.yml
generated
vendored
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9
vendor/github.com/chi-middleware/proxy/.golangci.yml
generated
vendored
Normal file
@ -0,0 +1,9 @@
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run:
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timeout: 3m
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issues:
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exclude-rules:
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# Exclude some linters from running on tests files.
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- path: _test\.go
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linters:
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- errcheck
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25
vendor/github.com/chi-middleware/proxy/.revive.toml
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25
vendor/github.com/chi-middleware/proxy/.revive.toml
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@ -0,0 +1,25 @@
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ignoreGeneratedHeader = false
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severity = "warning"
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confidence = 0.8
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errorCode = 1
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warningCode = 1
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[rule.blank-imports]
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[rule.context-as-argument]
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[rule.context-keys-type]
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[rule.dot-imports]
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[rule.error-return]
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[rule.error-strings]
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[rule.error-naming]
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[rule.exported]
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[rule.if-return]
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[rule.increment-decrement]
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[rule.var-naming]
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[rule.var-declaration]
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[rule.package-comments]
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[rule.range]
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[rule.receiver-naming]
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[rule.time-naming]
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[rule.unexported-return]
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[rule.indent-error-flow]
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[rule.errorf]
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19
vendor/github.com/chi-middleware/proxy/LICENSE
generated
vendored
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19
vendor/github.com/chi-middleware/proxy/LICENSE
generated
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@ -0,0 +1,19 @@
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Copyright (c) 2020 Lauris BH
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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59
vendor/github.com/chi-middleware/proxy/Makefile
generated
vendored
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59
vendor/github.com/chi-middleware/proxy/Makefile
generated
vendored
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@ -0,0 +1,59 @@
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GO ?= go
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HAS_GO = $(shell hash $(GO) > /dev/null 2>&1 && echo "GO" || echo "NOGO" )
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ifeq ($(HAS_GO), GO)
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GOPATH ?= $(shell $(GO) env GOPATH)
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export PATH := $(GOPATH)/bin:$(PATH)
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endif
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GOFMT ?= gofmt -s
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ifneq ($(RACE_ENABLED),)
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GOTESTFLAGS ?= -race
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endif
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GO_SOURCES := $(wildcard *.go)
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GO_SOURCES_OWN := $(filter-out vendor/%, $(GO_SOURCES))
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GO_PACKAGES ?= $(shell $(GO) list ./... | grep -v /vendor/)
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.PHONY: revive
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revive:
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@hash revive > /dev/null 2>&1; if [ $$? -ne 0 ]; then \
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$(GO) get -u github.com/mgechev/revive; \
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fi
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revive -config .revive.toml -exclude=./vendor/... ./... || exit 1
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.PHONY: golangci-lint
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golangci-lint:
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@hash golangci-lint > /dev/null 2>&1; if [ $$? -ne 0 ]; then \
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export BINARY="golangci-lint"; \
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curl -sfL https://install.goreleaser.com/github.com/golangci/golangci-lint.sh | sh -s -- -b $(GOPATH)/bin v1.26.0; \
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fi
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golangci-lint run --timeout 5m
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.PHONY: lint
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lint: golangci-lint revive
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.PHONY: fmt
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fmt:
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$(GOFMT) -w $(GO_SOURCES_OWN)
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.PHONY: fmt-check
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fmt-check:
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# get all go files and run go fmt on them
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@diff=$$($(GOFMT) -d $(GO_SOURCES_OWN)); \
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if [ -n "$$diff" ]; then \
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echo "Please run 'make fmt' and commit the result:"; \
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echo "$${diff}"; \
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exit 1; \
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fi;
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.PHONY: misspell-check
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misspell-check:
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@hash misspell > /dev/null 2>&1; if [ $$? -ne 0 ]; then \
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$(GO) get -u github.com/client9/misspell/cmd/misspell; \
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fi
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misspell -error $(GO_SOURCES_OWN)
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.PHONY: test
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||||
test:
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$(GO) test -cover -coverprofile coverage.out $(GOTESTFLAGS) $(GO_PACKAGES)
|
46
vendor/github.com/chi-middleware/proxy/README.md
generated
vendored
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46
vendor/github.com/chi-middleware/proxy/README.md
generated
vendored
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@ -0,0 +1,46 @@
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# [Chi](https://github.com/go-chi/chi) proxy middleware
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||||
|
||||
Forwarded headers middleware to use if application is run behind reverse proxy.
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||||
|
||||
[![Documentation](https://godoc.org/github.com/chi-middleware/proxy?status.svg)](https://pkg.go.dev/github.com/chi-middleware/proxy)
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||||
[![codecov](https://codecov.io/gh/chi-middleware/proxy/branch/master/graph/badge.svg)](https://codecov.io/gh/chi-middleware/proxy)
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||||
[![Go Report Card](https://goreportcard.com/badge/github.com/chi-middleware/proxy)](https://goreportcard.com/report/github.com/chi-middleware/proxy)
|
||||
[![Build Status](https://cloud.drone.io/api/badges/chi-middleware/proxy/status.svg?ref=refs/heads/master)](https://cloud.drone.io/chi-middleware/proxy)
|
||||
|
||||
## Usage
|
||||
|
||||
Import using:
|
||||
|
||||
```go
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||||
import "github.com/chi-middleware/proxy"
|
||||
```
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||||
|
||||
Use middleware with default options (trusted from proxy `127.0.0.1` and trusts only last IP address provided in header):
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||||
|
||||
```go
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||||
r := chi.NewRouter()
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||||
r.Use(proxy.ForwardedHeaders())
|
||||
```
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||||
|
||||
Extend default options:
|
||||
|
||||
```go
|
||||
r := chi.NewRouter()
|
||||
r.Use(proxy.ForwardedHeaders(
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||||
proxy.NewForwardedHeadersOptions().
|
||||
WithForwardLimit(2).
|
||||
ClearTrustedProxies().AddTrustedProxy("10.0.0.1"),
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||||
))
|
||||
```
|
||||
|
||||
Provide custom options:
|
||||
|
||||
```go
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||||
r := chi.NewRouter()
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||||
r.Use(proxy.ForwardedHeaders(&ForwardedHeadersOptions{
|
||||
ForwardLimit: 1,
|
||||
TrustedProxies: []net.IP{
|
||||
net.IPv4(10, 0, 0, 1),
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||||
},
|
||||
}))
|
||||
```
|
8
vendor/github.com/chi-middleware/proxy/go.mod
generated
vendored
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8
vendor/github.com/chi-middleware/proxy/go.mod
generated
vendored
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@ -0,0 +1,8 @@
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||||
module github.com/chi-middleware/proxy
|
||||
|
||||
go 1.14
|
||||
|
||||
require (
|
||||
github.com/go-chi/chi/v5 v5.0.1
|
||||
github.com/stretchr/testify v1.7.0
|
||||
)
|
14
vendor/github.com/chi-middleware/proxy/go.sum
generated
vendored
Normal file
14
vendor/github.com/chi-middleware/proxy/go.sum
generated
vendored
Normal file
@ -0,0 +1,14 @@
|
||||
github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
|
||||
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
|
||||
github.com/go-chi/chi/v5 v5.0.1 h1:ALxjCrTf1aflOlkhMnCUP86MubbWFrzB3gkRPReLpTo=
|
||||
github.com/go-chi/chi/v5 v5.0.1/go.mod h1:DslCQbL2OYiznFReuXYUmQ2hGd1aDpCnlMNITLSKoi8=
|
||||
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
|
||||
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
|
||||
github.com/stretchr/objx v0.1.0 h1:4G4v2dO3VZwixGIRoQ5Lfboy6nUhCyYzaqnIAPPhYs4=
|
||||
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
|
||||
github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
|
||||
github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
|
||||
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
|
||||
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
|
||||
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
|
||||
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
|
77
vendor/github.com/chi-middleware/proxy/middleware.go
generated
vendored
Normal file
77
vendor/github.com/chi-middleware/proxy/middleware.go
generated
vendored
Normal file
@ -0,0 +1,77 @@
|
||||
// Copyright 2020 Lauris BH. All rights reserved.
|
||||
// Use of this source code is governed by a MIT-style
|
||||
// license that can be found in the LICENSE file.
|
||||
|
||||
package proxy
|
||||
|
||||
// Ported from Goji's middleware, source:
|
||||
// https://github.com/zenazn/goji/tree/master/web/middleware
|
||||
|
||||
import (
|
||||
"net"
|
||||
"net/http"
|
||||
"strings"
|
||||
)
|
||||
|
||||
var xForwardedFor = http.CanonicalHeaderKey("X-Forwarded-For")
|
||||
var xRealIP = http.CanonicalHeaderKey("X-Real-IP")
|
||||
|
||||
// ForwardedHeaders is a middleware that sets a http.Request's RemoteAddr to the results
|
||||
// of parsing either the X-Real-IP header or the X-Forwarded-For header (in that
|
||||
// order).
|
||||
func ForwardedHeaders(options ...*ForwardedHeadersOptions) func(h http.Handler) http.Handler {
|
||||
opt := defaultOptions
|
||||
if len(options) > 0 {
|
||||
opt = options[0]
|
||||
}
|
||||
return func(h http.Handler) http.Handler {
|
||||
fn := func(w http.ResponseWriter, r *http.Request) {
|
||||
// Treat unix socket as 127.0.0.1
|
||||
if r.RemoteAddr == "@" {
|
||||
r.RemoteAddr = "127.0.0.1:0"
|
||||
}
|
||||
if rip := realIP(r, opt); len(rip) > 0 {
|
||||
r.RemoteAddr = net.JoinHostPort(rip, "0")
|
||||
}
|
||||
|
||||
h.ServeHTTP(w, r)
|
||||
}
|
||||
|
||||
return http.HandlerFunc(fn)
|
||||
}
|
||||
}
|
||||
|
||||
func realIP(r *http.Request, options *ForwardedHeadersOptions) string {
|
||||
host, _, err := net.SplitHostPort(r.RemoteAddr)
|
||||
if err != nil {
|
||||
return ""
|
||||
}
|
||||
|
||||
if !options.isTrustedProxy(net.ParseIP(host)) {
|
||||
return ""
|
||||
}
|
||||
|
||||
var ip string
|
||||
|
||||
if xrip := r.Header.Get(xRealIP); xrip != "" {
|
||||
ip = xrip
|
||||
} else if xff := r.Header.Get(xForwardedFor); xff != "" {
|
||||
p := 0
|
||||
for i := options.ForwardLimit; i > 0; i-- {
|
||||
if p > 0 {
|
||||
xff = xff[:p-2]
|
||||
}
|
||||
p = strings.LastIndex(xff, ", ")
|
||||
if p < 0 {
|
||||
p = 0
|
||||
break
|
||||
} else {
|
||||
p += 2
|
||||
}
|
||||
}
|
||||
|
||||
ip = xff[p:]
|
||||
}
|
||||
|
||||
return ip
|
||||
}
|
115
vendor/github.com/chi-middleware/proxy/options.go
generated
vendored
Normal file
115
vendor/github.com/chi-middleware/proxy/options.go
generated
vendored
Normal file
@ -0,0 +1,115 @@
|
||||
// Copyright 2020 Lauris BH. All rights reserved.
|
||||
// Use of this source code is governed by a MIT-style
|
||||
// license that can be found in the LICENSE file.
|
||||
|
||||
package proxy
|
||||
|
||||
import (
|
||||
"net"
|
||||
)
|
||||
|
||||
// ForwardedHeadersOptions represents options for forwarded header middleware
|
||||
type ForwardedHeadersOptions struct {
|
||||
// ForwardLimit limits the number of entries in the headers that will be processed.
|
||||
// The default value is 1. Set to 0 to disable the limit.
|
||||
ForwardLimit int
|
||||
// TrustingAllProxies option sets to trust all proxies.
|
||||
TrustingAllProxies bool
|
||||
// KnownProxies represents addresses of trusted proxies.
|
||||
TrustedProxies []net.IP
|
||||
// TrustedNetworks represents addresses of trusted networks.
|
||||
TrustedNetworks []*net.IPNet
|
||||
}
|
||||
|
||||
var defaultOptions = &ForwardedHeadersOptions{
|
||||
ForwardLimit: 1,
|
||||
TrustedProxies: []net.IP{
|
||||
net.IPv4(127, 0, 0, 1),
|
||||
},
|
||||
}
|
||||
|
||||
// NewForwardedHeadersOptions creates new middleware options
|
||||
func NewForwardedHeadersOptions() *ForwardedHeadersOptions {
|
||||
return &ForwardedHeadersOptions{
|
||||
ForwardLimit: defaultOptions.ForwardLimit,
|
||||
TrustedProxies: defaultOptions.TrustedProxies,
|
||||
TrustedNetworks: defaultOptions.TrustedNetworks,
|
||||
}
|
||||
}
|
||||
|
||||
// WithForwardLimit sets number of entries to be processed
|
||||
func (opts *ForwardedHeadersOptions) WithForwardLimit(limit int) *ForwardedHeadersOptions {
|
||||
opts.ForwardLimit = limit
|
||||
return opts
|
||||
}
|
||||
|
||||
// TrustAllProxies sets to trust all proxies
|
||||
func (opts *ForwardedHeadersOptions) TrustAllProxies() *ForwardedHeadersOptions {
|
||||
opts.TrustingAllProxies = true
|
||||
return opts
|
||||
}
|
||||
|
||||
// ClearTrustedProxies clears trusted proxy list
|
||||
func (opts *ForwardedHeadersOptions) ClearTrustedProxies() *ForwardedHeadersOptions {
|
||||
opts.TrustingAllProxies = false
|
||||
opts.TrustedProxies = make([]net.IP, 0)
|
||||
return opts
|
||||
}
|
||||
|
||||
// AddTrustedProxy adds proxy IP to trusted proxy list
|
||||
func (opts *ForwardedHeadersOptions) AddTrustedProxy(ip string) *ForwardedHeadersOptions {
|
||||
// Special option to trust all proxies if IP address is set as wildcard
|
||||
if ip == "*" {
|
||||
opts.TrustingAllProxies = true
|
||||
return opts
|
||||
}
|
||||
|
||||
ipaddr := net.ParseIP(ip)
|
||||
if ipaddr == nil {
|
||||
return opts
|
||||
}
|
||||
|
||||
opts.TrustedProxies = append(opts.TrustedProxies, ipaddr)
|
||||
return opts
|
||||
}
|
||||
|
||||
// ClearTrustedNetworks clears trusted network list
|
||||
func (opts *ForwardedHeadersOptions) ClearTrustedNetworks() *ForwardedHeadersOptions {
|
||||
opts.TrustedNetworks = make([]*net.IPNet, 0)
|
||||
return opts
|
||||
}
|
||||
|
||||
// AddTrustedNetwork adds network to trusted network list
|
||||
func (opts *ForwardedHeadersOptions) AddTrustedNetwork(cidr string) *ForwardedHeadersOptions {
|
||||
_, netmask, err := net.ParseCIDR(cidr)
|
||||
if err != nil || netmask == nil {
|
||||
return opts
|
||||
}
|
||||
|
||||
opts.TrustedNetworks = append(opts.TrustedNetworks, netmask)
|
||||
return opts
|
||||
}
|
||||
|
||||
func (opts *ForwardedHeadersOptions) isTrustedProxy(ip net.IP) bool {
|
||||
if opts.TrustingAllProxies {
|
||||
return true
|
||||
}
|
||||
|
||||
if ip == nil {
|
||||
return false
|
||||
}
|
||||
|
||||
for _, tip := range opts.TrustedProxies {
|
||||
if tip.Equal(ip) {
|
||||
return true
|
||||
}
|
||||
}
|
||||
|
||||
for _, tnet := range opts.TrustedNetworks {
|
||||
if tnet.Contains(ip) {
|
||||
return true
|
||||
}
|
||||
}
|
||||
|
||||
return false
|
||||
}
|
3
vendor/modules.txt
vendored
3
vendor/modules.txt
vendored
@ -175,6 +175,9 @@ github.com/bradfitz/gomemcache/memcache
|
||||
github.com/caddyserver/certmagic
|
||||
# github.com/cespare/xxhash/v2 v2.1.1
|
||||
github.com/cespare/xxhash/v2
|
||||
# github.com/chi-middleware/proxy v1.1.1
|
||||
## explicit
|
||||
github.com/chi-middleware/proxy
|
||||
# github.com/chris-ramon/douceur v0.2.0
|
||||
github.com/chris-ramon/douceur/parser
|
||||
# github.com/couchbase/go-couchbase v0.0.0-20210224140812-5740cd35f448
|
||||
|
Loading…
Reference in New Issue
Block a user