271 lines
12 KiB
Go
271 lines
12 KiB
Go
// Copyright 2022 The Gitea Authors. All rights reserved.
|
|
// SPDX-License-Identifier: MIT
|
|
|
|
package auth
|
|
|
|
import (
|
|
"fmt"
|
|
"strings"
|
|
)
|
|
|
|
// AccessTokenScope represents the scope for an access token.
|
|
type AccessTokenScope string
|
|
|
|
const (
|
|
AccessTokenScopeAll AccessTokenScope = "all"
|
|
|
|
AccessTokenScopeRepo AccessTokenScope = "repo"
|
|
AccessTokenScopeRepoStatus AccessTokenScope = "repo:status"
|
|
AccessTokenScopePublicRepo AccessTokenScope = "public_repo"
|
|
|
|
AccessTokenScopeAdminOrg AccessTokenScope = "admin:org"
|
|
AccessTokenScopeWriteOrg AccessTokenScope = "write:org"
|
|
AccessTokenScopeReadOrg AccessTokenScope = "read:org"
|
|
|
|
AccessTokenScopeAdminPublicKey AccessTokenScope = "admin:public_key"
|
|
AccessTokenScopeWritePublicKey AccessTokenScope = "write:public_key"
|
|
AccessTokenScopeReadPublicKey AccessTokenScope = "read:public_key"
|
|
|
|
AccessTokenScopeAdminRepoHook AccessTokenScope = "admin:repo_hook"
|
|
AccessTokenScopeWriteRepoHook AccessTokenScope = "write:repo_hook"
|
|
AccessTokenScopeReadRepoHook AccessTokenScope = "read:repo_hook"
|
|
|
|
AccessTokenScopeAdminOrgHook AccessTokenScope = "admin:org_hook"
|
|
|
|
AccessTokenScopeNotification AccessTokenScope = "notification"
|
|
|
|
AccessTokenScopeUser AccessTokenScope = "user"
|
|
AccessTokenScopeReadUser AccessTokenScope = "read:user"
|
|
AccessTokenScopeUserEmail AccessTokenScope = "user:email"
|
|
AccessTokenScopeUserFollow AccessTokenScope = "user:follow"
|
|
|
|
AccessTokenScopeDeleteRepo AccessTokenScope = "delete_repo"
|
|
|
|
AccessTokenScopePackage AccessTokenScope = "package"
|
|
AccessTokenScopeWritePackage AccessTokenScope = "write:package"
|
|
AccessTokenScopeReadPackage AccessTokenScope = "read:package"
|
|
AccessTokenScopeDeletePackage AccessTokenScope = "delete:package"
|
|
|
|
AccessTokenScopeAdminGPGKey AccessTokenScope = "admin:gpg_key"
|
|
AccessTokenScopeWriteGPGKey AccessTokenScope = "write:gpg_key"
|
|
AccessTokenScopeReadGPGKey AccessTokenScope = "read:gpg_key"
|
|
|
|
AccessTokenScopeAdminApplication AccessTokenScope = "admin:application"
|
|
AccessTokenScopeWriteApplication AccessTokenScope = "write:application"
|
|
AccessTokenScopeReadApplication AccessTokenScope = "read:application"
|
|
|
|
AccessTokenScopeSudo AccessTokenScope = "sudo"
|
|
)
|
|
|
|
// AccessTokenScopeBitmap represents a bitmap of access token scopes.
|
|
type AccessTokenScopeBitmap uint64
|
|
|
|
// Bitmap of each scope, including the child scopes.
|
|
const (
|
|
// AccessTokenScopeAllBits is the bitmap of all access token scopes, except `sudo`.
|
|
AccessTokenScopeAllBits AccessTokenScopeBitmap = AccessTokenScopeRepoBits |
|
|
AccessTokenScopeAdminOrgBits | AccessTokenScopeAdminPublicKeyBits | AccessTokenScopeAdminOrgHookBits |
|
|
AccessTokenScopeNotificationBits | AccessTokenScopeUserBits | AccessTokenScopeDeleteRepoBits |
|
|
AccessTokenScopePackageBits | AccessTokenScopeAdminGPGKeyBits | AccessTokenScopeAdminApplicationBits
|
|
|
|
AccessTokenScopeRepoBits AccessTokenScopeBitmap = 1<<iota | AccessTokenScopeRepoStatusBits | AccessTokenScopePublicRepoBits | AccessTokenScopeAdminRepoHookBits
|
|
AccessTokenScopeRepoStatusBits AccessTokenScopeBitmap = 1 << iota
|
|
AccessTokenScopePublicRepoBits AccessTokenScopeBitmap = 1 << iota
|
|
|
|
AccessTokenScopeAdminOrgBits AccessTokenScopeBitmap = 1<<iota | AccessTokenScopeWriteOrgBits
|
|
AccessTokenScopeWriteOrgBits AccessTokenScopeBitmap = 1<<iota | AccessTokenScopeReadOrgBits
|
|
AccessTokenScopeReadOrgBits AccessTokenScopeBitmap = 1 << iota
|
|
|
|
AccessTokenScopeAdminPublicKeyBits AccessTokenScopeBitmap = 1<<iota | AccessTokenScopeWritePublicKeyBits
|
|
AccessTokenScopeWritePublicKeyBits AccessTokenScopeBitmap = 1<<iota | AccessTokenScopeReadPublicKeyBits
|
|
AccessTokenScopeReadPublicKeyBits AccessTokenScopeBitmap = 1 << iota
|
|
|
|
AccessTokenScopeAdminRepoHookBits AccessTokenScopeBitmap = 1<<iota | AccessTokenScopeWriteRepoHookBits
|
|
AccessTokenScopeWriteRepoHookBits AccessTokenScopeBitmap = 1<<iota | AccessTokenScopeReadRepoHookBits
|
|
AccessTokenScopeReadRepoHookBits AccessTokenScopeBitmap = 1 << iota
|
|
|
|
AccessTokenScopeAdminOrgHookBits AccessTokenScopeBitmap = 1 << iota
|
|
|
|
AccessTokenScopeNotificationBits AccessTokenScopeBitmap = 1 << iota
|
|
|
|
AccessTokenScopeUserBits AccessTokenScopeBitmap = 1<<iota | AccessTokenScopeReadUserBits | AccessTokenScopeUserEmailBits | AccessTokenScopeUserFollowBits
|
|
AccessTokenScopeReadUserBits AccessTokenScopeBitmap = 1 << iota
|
|
AccessTokenScopeUserEmailBits AccessTokenScopeBitmap = 1 << iota
|
|
AccessTokenScopeUserFollowBits AccessTokenScopeBitmap = 1 << iota
|
|
|
|
AccessTokenScopeDeleteRepoBits AccessTokenScopeBitmap = 1 << iota
|
|
|
|
AccessTokenScopePackageBits AccessTokenScopeBitmap = 1<<iota | AccessTokenScopeWritePackageBits | AccessTokenScopeDeletePackageBits
|
|
AccessTokenScopeWritePackageBits AccessTokenScopeBitmap = 1<<iota | AccessTokenScopeReadPackageBits
|
|
AccessTokenScopeReadPackageBits AccessTokenScopeBitmap = 1 << iota
|
|
AccessTokenScopeDeletePackageBits AccessTokenScopeBitmap = 1 << iota
|
|
|
|
AccessTokenScopeAdminGPGKeyBits AccessTokenScopeBitmap = 1<<iota | AccessTokenScopeWriteGPGKeyBits
|
|
AccessTokenScopeWriteGPGKeyBits AccessTokenScopeBitmap = 1<<iota | AccessTokenScopeReadGPGKeyBits
|
|
AccessTokenScopeReadGPGKeyBits AccessTokenScopeBitmap = 1 << iota
|
|
|
|
AccessTokenScopeAdminApplicationBits AccessTokenScopeBitmap = 1<<iota | AccessTokenScopeWriteApplicationBits
|
|
AccessTokenScopeWriteApplicationBits AccessTokenScopeBitmap = 1<<iota | AccessTokenScopeReadApplicationBits
|
|
AccessTokenScopeReadApplicationBits AccessTokenScopeBitmap = 1 << iota
|
|
|
|
AccessTokenScopeSudoBits AccessTokenScopeBitmap = 1 << iota
|
|
|
|
// The current implementation only supports up to 64 token scopes.
|
|
// If we need to support > 64 scopes,
|
|
// refactoring the whole implementation in this file (and only this file) is needed.
|
|
)
|
|
|
|
// allAccessTokenScopes contains all access token scopes.
|
|
// The order is important: parent scope must precedes child scopes.
|
|
var allAccessTokenScopes = []AccessTokenScope{
|
|
AccessTokenScopeRepo, AccessTokenScopeRepoStatus, AccessTokenScopePublicRepo,
|
|
AccessTokenScopeAdminOrg, AccessTokenScopeWriteOrg, AccessTokenScopeReadOrg,
|
|
AccessTokenScopeAdminPublicKey, AccessTokenScopeWritePublicKey, AccessTokenScopeReadPublicKey,
|
|
AccessTokenScopeAdminRepoHook, AccessTokenScopeWriteRepoHook, AccessTokenScopeReadRepoHook,
|
|
AccessTokenScopeAdminOrgHook,
|
|
AccessTokenScopeNotification,
|
|
AccessTokenScopeUser, AccessTokenScopeReadUser, AccessTokenScopeUserEmail, AccessTokenScopeUserFollow,
|
|
AccessTokenScopeDeleteRepo,
|
|
AccessTokenScopePackage, AccessTokenScopeWritePackage, AccessTokenScopeReadPackage, AccessTokenScopeDeletePackage,
|
|
AccessTokenScopeAdminGPGKey, AccessTokenScopeWriteGPGKey, AccessTokenScopeReadGPGKey,
|
|
AccessTokenScopeAdminApplication, AccessTokenScopeWriteApplication, AccessTokenScopeReadApplication,
|
|
AccessTokenScopeSudo,
|
|
}
|
|
|
|
// allAccessTokenScopeBits contains all access token scopes.
|
|
var allAccessTokenScopeBits = map[AccessTokenScope]AccessTokenScopeBitmap{
|
|
AccessTokenScopeRepo: AccessTokenScopeRepoBits,
|
|
AccessTokenScopeRepoStatus: AccessTokenScopeRepoStatusBits,
|
|
AccessTokenScopePublicRepo: AccessTokenScopePublicRepoBits,
|
|
AccessTokenScopeAdminOrg: AccessTokenScopeAdminOrgBits,
|
|
AccessTokenScopeWriteOrg: AccessTokenScopeWriteOrgBits,
|
|
AccessTokenScopeReadOrg: AccessTokenScopeReadOrgBits,
|
|
AccessTokenScopeAdminPublicKey: AccessTokenScopeAdminPublicKeyBits,
|
|
AccessTokenScopeWritePublicKey: AccessTokenScopeWritePublicKeyBits,
|
|
AccessTokenScopeReadPublicKey: AccessTokenScopeReadPublicKeyBits,
|
|
AccessTokenScopeAdminRepoHook: AccessTokenScopeAdminRepoHookBits,
|
|
AccessTokenScopeWriteRepoHook: AccessTokenScopeWriteRepoHookBits,
|
|
AccessTokenScopeReadRepoHook: AccessTokenScopeReadRepoHookBits,
|
|
AccessTokenScopeAdminOrgHook: AccessTokenScopeAdminOrgHookBits,
|
|
AccessTokenScopeNotification: AccessTokenScopeNotificationBits,
|
|
AccessTokenScopeUser: AccessTokenScopeUserBits,
|
|
AccessTokenScopeReadUser: AccessTokenScopeReadUserBits,
|
|
AccessTokenScopeUserEmail: AccessTokenScopeUserEmailBits,
|
|
AccessTokenScopeUserFollow: AccessTokenScopeUserFollowBits,
|
|
AccessTokenScopeDeleteRepo: AccessTokenScopeDeleteRepoBits,
|
|
AccessTokenScopePackage: AccessTokenScopePackageBits,
|
|
AccessTokenScopeWritePackage: AccessTokenScopeWritePackageBits,
|
|
AccessTokenScopeReadPackage: AccessTokenScopeReadPackageBits,
|
|
AccessTokenScopeDeletePackage: AccessTokenScopeDeletePackageBits,
|
|
AccessTokenScopeAdminGPGKey: AccessTokenScopeAdminGPGKeyBits,
|
|
AccessTokenScopeWriteGPGKey: AccessTokenScopeWriteGPGKeyBits,
|
|
AccessTokenScopeReadGPGKey: AccessTokenScopeReadGPGKeyBits,
|
|
AccessTokenScopeAdminApplication: AccessTokenScopeAdminApplicationBits,
|
|
AccessTokenScopeWriteApplication: AccessTokenScopeWriteApplicationBits,
|
|
AccessTokenScopeReadApplication: AccessTokenScopeReadApplicationBits,
|
|
AccessTokenScopeSudo: AccessTokenScopeSudoBits,
|
|
}
|
|
|
|
// Parse parses the scope string into a bitmap, thus removing possible duplicates.
|
|
func (s AccessTokenScope) Parse() (AccessTokenScopeBitmap, error) {
|
|
var bitmap AccessTokenScopeBitmap
|
|
|
|
// The following is the more performant equivalent of 'for _, v := range strings.Split(remainingScope, ",")' as this is hot code
|
|
remainingScopes := string(s)
|
|
for len(remainingScopes) > 0 {
|
|
i := strings.IndexByte(remainingScopes, ',')
|
|
var v string
|
|
if i < 0 {
|
|
v = remainingScopes
|
|
remainingScopes = ""
|
|
} else if i+1 >= len(remainingScopes) {
|
|
v = remainingScopes[:i]
|
|
remainingScopes = ""
|
|
} else {
|
|
v = remainingScopes[:i]
|
|
remainingScopes = remainingScopes[i+1:]
|
|
}
|
|
singleScope := AccessTokenScope(v)
|
|
if singleScope == "" {
|
|
continue
|
|
}
|
|
if singleScope == AccessTokenScopeAll {
|
|
bitmap |= AccessTokenScopeAllBits
|
|
continue
|
|
}
|
|
|
|
bits, ok := allAccessTokenScopeBits[singleScope]
|
|
if !ok {
|
|
return 0, fmt.Errorf("invalid access token scope: %s", singleScope)
|
|
}
|
|
bitmap |= bits
|
|
}
|
|
|
|
return bitmap, nil
|
|
}
|
|
|
|
// StringSlice returns the AccessTokenScope as a []string
|
|
func (s AccessTokenScope) StringSlice() []string {
|
|
return strings.Split(string(s), ",")
|
|
}
|
|
|
|
// Normalize returns a normalized scope string without any duplicates.
|
|
func (s AccessTokenScope) Normalize() (AccessTokenScope, error) {
|
|
bitmap, err := s.Parse()
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
return bitmap.ToScope(), nil
|
|
}
|
|
|
|
// HasScope returns true if the string has the given scope
|
|
func (s AccessTokenScope) HasScope(scope AccessTokenScope) (bool, error) {
|
|
bitmap, err := s.Parse()
|
|
if err != nil {
|
|
return false, err
|
|
}
|
|
|
|
return bitmap.HasScope(scope)
|
|
}
|
|
|
|
// HasScope returns true if the string has the given scope
|
|
func (bitmap AccessTokenScopeBitmap) HasScope(scope AccessTokenScope) (bool, error) {
|
|
expectedBits, ok := allAccessTokenScopeBits[scope]
|
|
if !ok {
|
|
return false, fmt.Errorf("invalid access token scope: %s", scope)
|
|
}
|
|
|
|
return bitmap&expectedBits == expectedBits, nil
|
|
}
|
|
|
|
// ToScope returns a normalized scope string without any duplicates.
|
|
func (bitmap AccessTokenScopeBitmap) ToScope() AccessTokenScope {
|
|
var scopes []string
|
|
|
|
// iterate over all scopes, and reconstruct the bitmap
|
|
// if the reconstructed bitmap doesn't change, then the scope is already included
|
|
var reconstruct AccessTokenScopeBitmap
|
|
|
|
for _, singleScope := range allAccessTokenScopes {
|
|
// no need for error checking here, since we know the scope is valid
|
|
if ok, _ := bitmap.HasScope(singleScope); ok {
|
|
current := reconstruct | allAccessTokenScopeBits[singleScope]
|
|
if current == reconstruct {
|
|
continue
|
|
}
|
|
|
|
reconstruct = current
|
|
scopes = append(scopes, string(singleScope))
|
|
}
|
|
}
|
|
|
|
scope := AccessTokenScope(strings.Join(scopes, ","))
|
|
scope = AccessTokenScope(strings.ReplaceAll(
|
|
string(scope),
|
|
"repo,admin:org,admin:public_key,admin:org_hook,notification,user,delete_repo,package,admin:gpg_key,admin:application",
|
|
"all",
|
|
))
|
|
return scope
|
|
}
|