mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-11-25 21:26:40 +00:00
278 lines
8.9 KiB
Go
278 lines
8.9 KiB
Go
// Copyright 2015 go-swagger maintainers
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package security
|
|
|
|
import (
|
|
"context"
|
|
"net/http"
|
|
"strings"
|
|
|
|
"github.com/go-openapi/errors"
|
|
|
|
"github.com/go-openapi/runtime"
|
|
)
|
|
|
|
const (
|
|
query = "query"
|
|
header = "header"
|
|
accessTokenParam = "access_token"
|
|
)
|
|
|
|
// HttpAuthenticator is a function that authenticates a HTTP request
|
|
func HttpAuthenticator(handler func(*http.Request) (bool, interface{}, error)) runtime.Authenticator { //nolint:revive,stylecheck
|
|
return runtime.AuthenticatorFunc(func(params interface{}) (bool, interface{}, error) {
|
|
if request, ok := params.(*http.Request); ok {
|
|
return handler(request)
|
|
}
|
|
if scoped, ok := params.(*ScopedAuthRequest); ok {
|
|
return handler(scoped.Request)
|
|
}
|
|
return false, nil, nil
|
|
})
|
|
}
|
|
|
|
// ScopedAuthenticator is a function that authenticates a HTTP request against a list of valid scopes
|
|
func ScopedAuthenticator(handler func(*ScopedAuthRequest) (bool, interface{}, error)) runtime.Authenticator {
|
|
return runtime.AuthenticatorFunc(func(params interface{}) (bool, interface{}, error) {
|
|
if request, ok := params.(*ScopedAuthRequest); ok {
|
|
return handler(request)
|
|
}
|
|
return false, nil, nil
|
|
})
|
|
}
|
|
|
|
// UserPassAuthentication authentication function
|
|
type UserPassAuthentication func(string, string) (interface{}, error)
|
|
|
|
// UserPassAuthenticationCtx authentication function with context.Context
|
|
type UserPassAuthenticationCtx func(context.Context, string, string) (context.Context, interface{}, error)
|
|
|
|
// TokenAuthentication authentication function
|
|
type TokenAuthentication func(string) (interface{}, error)
|
|
|
|
// TokenAuthenticationCtx authentication function with context.Context
|
|
type TokenAuthenticationCtx func(context.Context, string) (context.Context, interface{}, error)
|
|
|
|
// ScopedTokenAuthentication authentication function
|
|
type ScopedTokenAuthentication func(string, []string) (interface{}, error)
|
|
|
|
// ScopedTokenAuthenticationCtx authentication function with context.Context
|
|
type ScopedTokenAuthenticationCtx func(context.Context, string, []string) (context.Context, interface{}, error)
|
|
|
|
var DefaultRealmName = "API"
|
|
|
|
type secCtxKey uint8
|
|
|
|
const (
|
|
failedBasicAuth secCtxKey = iota
|
|
oauth2SchemeName
|
|
)
|
|
|
|
func FailedBasicAuth(r *http.Request) string {
|
|
return FailedBasicAuthCtx(r.Context())
|
|
}
|
|
|
|
func FailedBasicAuthCtx(ctx context.Context) string {
|
|
v, ok := ctx.Value(failedBasicAuth).(string)
|
|
if !ok {
|
|
return ""
|
|
}
|
|
return v
|
|
}
|
|
|
|
func OAuth2SchemeName(r *http.Request) string {
|
|
return OAuth2SchemeNameCtx(r.Context())
|
|
}
|
|
|
|
func OAuth2SchemeNameCtx(ctx context.Context) string {
|
|
v, ok := ctx.Value(oauth2SchemeName).(string)
|
|
if !ok {
|
|
return ""
|
|
}
|
|
return v
|
|
}
|
|
|
|
// BasicAuth creates a basic auth authenticator with the provided authentication function
|
|
func BasicAuth(authenticate UserPassAuthentication) runtime.Authenticator {
|
|
return BasicAuthRealm(DefaultRealmName, authenticate)
|
|
}
|
|
|
|
// BasicAuthRealm creates a basic auth authenticator with the provided authentication function and realm name
|
|
func BasicAuthRealm(realm string, authenticate UserPassAuthentication) runtime.Authenticator {
|
|
if realm == "" {
|
|
realm = DefaultRealmName
|
|
}
|
|
|
|
return HttpAuthenticator(func(r *http.Request) (bool, interface{}, error) {
|
|
if usr, pass, ok := r.BasicAuth(); ok {
|
|
p, err := authenticate(usr, pass)
|
|
if err != nil {
|
|
*r = *r.WithContext(context.WithValue(r.Context(), failedBasicAuth, realm))
|
|
}
|
|
return true, p, err
|
|
}
|
|
*r = *r.WithContext(context.WithValue(r.Context(), failedBasicAuth, realm))
|
|
return false, nil, nil
|
|
})
|
|
}
|
|
|
|
// BasicAuthCtx creates a basic auth authenticator with the provided authentication function with support for context.Context
|
|
func BasicAuthCtx(authenticate UserPassAuthenticationCtx) runtime.Authenticator {
|
|
return BasicAuthRealmCtx(DefaultRealmName, authenticate)
|
|
}
|
|
|
|
// BasicAuthRealmCtx creates a basic auth authenticator with the provided authentication function and realm name with support for context.Context
|
|
func BasicAuthRealmCtx(realm string, authenticate UserPassAuthenticationCtx) runtime.Authenticator {
|
|
if realm == "" {
|
|
realm = DefaultRealmName
|
|
}
|
|
|
|
return HttpAuthenticator(func(r *http.Request) (bool, interface{}, error) {
|
|
if usr, pass, ok := r.BasicAuth(); ok {
|
|
ctx, p, err := authenticate(r.Context(), usr, pass)
|
|
if err != nil {
|
|
ctx = context.WithValue(ctx, failedBasicAuth, realm)
|
|
}
|
|
*r = *r.WithContext(ctx)
|
|
return true, p, err
|
|
}
|
|
*r = *r.WithContext(context.WithValue(r.Context(), failedBasicAuth, realm))
|
|
return false, nil, nil
|
|
})
|
|
}
|
|
|
|
// APIKeyAuth creates an authenticator that uses a token for authorization.
|
|
// This token can be obtained from either a header or a query string
|
|
func APIKeyAuth(name, in string, authenticate TokenAuthentication) runtime.Authenticator {
|
|
inl := strings.ToLower(in)
|
|
if inl != query && inl != header {
|
|
// panic because this is most likely a typo
|
|
panic(errors.New(500, "api key auth: in value needs to be either \"query\" or \"header\""))
|
|
}
|
|
|
|
var getToken func(*http.Request) string
|
|
switch inl {
|
|
case header:
|
|
getToken = func(r *http.Request) string { return r.Header.Get(name) }
|
|
case query:
|
|
getToken = func(r *http.Request) string { return r.URL.Query().Get(name) }
|
|
}
|
|
|
|
return HttpAuthenticator(func(r *http.Request) (bool, interface{}, error) {
|
|
token := getToken(r)
|
|
if token == "" {
|
|
return false, nil, nil
|
|
}
|
|
|
|
p, err := authenticate(token)
|
|
return true, p, err
|
|
})
|
|
}
|
|
|
|
// APIKeyAuthCtx creates an authenticator that uses a token for authorization with support for context.Context.
|
|
// This token can be obtained from either a header or a query string
|
|
func APIKeyAuthCtx(name, in string, authenticate TokenAuthenticationCtx) runtime.Authenticator {
|
|
inl := strings.ToLower(in)
|
|
if inl != query && inl != header {
|
|
// panic because this is most likely a typo
|
|
panic(errors.New(500, "api key auth: in value needs to be either \"query\" or \"header\""))
|
|
}
|
|
|
|
var getToken func(*http.Request) string
|
|
switch inl {
|
|
case header:
|
|
getToken = func(r *http.Request) string { return r.Header.Get(name) }
|
|
case query:
|
|
getToken = func(r *http.Request) string { return r.URL.Query().Get(name) }
|
|
}
|
|
|
|
return HttpAuthenticator(func(r *http.Request) (bool, interface{}, error) {
|
|
token := getToken(r)
|
|
if token == "" {
|
|
return false, nil, nil
|
|
}
|
|
|
|
ctx, p, err := authenticate(r.Context(), token)
|
|
*r = *r.WithContext(ctx)
|
|
return true, p, err
|
|
})
|
|
}
|
|
|
|
// ScopedAuthRequest contains both a http request and the required scopes for a particular operation
|
|
type ScopedAuthRequest struct {
|
|
Request *http.Request
|
|
RequiredScopes []string
|
|
}
|
|
|
|
// BearerAuth for use with oauth2 flows
|
|
func BearerAuth(name string, authenticate ScopedTokenAuthentication) runtime.Authenticator {
|
|
const prefix = "Bearer "
|
|
return ScopedAuthenticator(func(r *ScopedAuthRequest) (bool, interface{}, error) {
|
|
var token string
|
|
hdr := r.Request.Header.Get(runtime.HeaderAuthorization)
|
|
if strings.HasPrefix(hdr, prefix) {
|
|
token = strings.TrimPrefix(hdr, prefix)
|
|
}
|
|
if token == "" {
|
|
qs := r.Request.URL.Query()
|
|
token = qs.Get(accessTokenParam)
|
|
}
|
|
//#nosec
|
|
ct, _, _ := runtime.ContentType(r.Request.Header)
|
|
if token == "" && (ct == "application/x-www-form-urlencoded" || ct == "multipart/form-data") {
|
|
token = r.Request.FormValue(accessTokenParam)
|
|
}
|
|
|
|
if token == "" {
|
|
return false, nil, nil
|
|
}
|
|
|
|
rctx := context.WithValue(r.Request.Context(), oauth2SchemeName, name)
|
|
*r.Request = *r.Request.WithContext(rctx)
|
|
p, err := authenticate(token, r.RequiredScopes)
|
|
return true, p, err
|
|
})
|
|
}
|
|
|
|
// BearerAuthCtx for use with oauth2 flows with support for context.Context.
|
|
func BearerAuthCtx(name string, authenticate ScopedTokenAuthenticationCtx) runtime.Authenticator {
|
|
const prefix = "Bearer "
|
|
return ScopedAuthenticator(func(r *ScopedAuthRequest) (bool, interface{}, error) {
|
|
var token string
|
|
hdr := r.Request.Header.Get(runtime.HeaderAuthorization)
|
|
if strings.HasPrefix(hdr, prefix) {
|
|
token = strings.TrimPrefix(hdr, prefix)
|
|
}
|
|
if token == "" {
|
|
qs := r.Request.URL.Query()
|
|
token = qs.Get(accessTokenParam)
|
|
}
|
|
//#nosec
|
|
ct, _, _ := runtime.ContentType(r.Request.Header)
|
|
if token == "" && (ct == "application/x-www-form-urlencoded" || ct == "multipart/form-data") {
|
|
token = r.Request.FormValue(accessTokenParam)
|
|
}
|
|
|
|
if token == "" {
|
|
return false, nil, nil
|
|
}
|
|
|
|
rctx := context.WithValue(r.Request.Context(), oauth2SchemeName, name)
|
|
ctx, p, err := authenticate(rctx, token, r.RequiredScopes)
|
|
*r.Request = *r.Request.WithContext(ctx)
|
|
return true, p, err
|
|
})
|
|
}
|