forgejo-federation/models/auth/token_scope.go
zeripath d2128b44f7
Add scopes to API to create token and display them (#22989)
The API to create tokens is missing the ability to set the required
scopes for tokens, and to show them on the API and on the UI.

This PR adds this functionality.

Signed-off-by: Andrew Thornton <art27@cantab.net>
2023-02-20 15:28:44 -06:00

270 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
}