mirror of
https://codeberg.org/forgejo/forgejo.git
synced 2024-09-01 09:26:11 +02:00
223 lines
5.6 KiB
Go
223 lines
5.6 KiB
Go
// Copyright 2023 The forgejo Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package forgefed
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import (
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"fmt"
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"net/url"
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"strings"
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"code.gitea.io/gitea/modules/setting"
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"code.gitea.io/gitea/modules/validation"
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)
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type Validateables interface {
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validation.Validateable
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ActorID | PersonID | RepositoryID
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}
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type ActorID struct {
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Id string
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Source string
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Schema string
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Path string
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Host string
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Port string
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UnvalidatedInput string
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}
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type PersonID struct {
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ActorID
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}
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type RepositoryID struct {
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ActorID
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}
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// newActorID receives already validated inputs
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func newActorID(validatedURI *url.URL, source string) (ActorID, error) {
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pathWithActorID := strings.Split(validatedURI.Path, "/")
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if containsEmptyString(pathWithActorID) {
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pathWithActorID = removeEmptyStrings(pathWithActorID)
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}
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length := len(pathWithActorID)
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pathWithoutActorID := strings.Join(pathWithActorID[0:length-1], "/")
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id := pathWithActorID[length-1]
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result := ActorID{}
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result.Id = id
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result.Source = source
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result.Schema = validatedURI.Scheme
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result.Host = validatedURI.Hostname()
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result.Path = pathWithoutActorID
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result.Port = validatedURI.Port()
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result.UnvalidatedInput = validatedURI.String()
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if valid, err := IsValid(result); !valid {
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return ActorId{}, err
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}
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return result, nil
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}
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func NewPersonID(uri string, source string) (PersonID, error) {
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// TODO: remove after test
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//if !validation.IsValidExternalURL(uri) {
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// return PersonId{}, fmt.Errorf("uri %s is not a valid external url", uri)
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//}
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validatedURI, err := url.ParseRequestURI(uri)
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if err != nil {
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return PersonID{}, err
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}
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actorID, err := newActorID(validatedURI, source)
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if err != nil {
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return PersonID{}, err
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}
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// validate Person specific path
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personID := PersonID{actorID}
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if valid, outcome := validation.IsValid(personID); !valid {
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return PersonID{}, outcome
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}
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return personID, nil
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}
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func NewRepositoryID(uri string, source string) (RepositoryID, error) {
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if !validation.IsAPIURL(uri) {
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return RepositoryID{}, fmt.Errorf("uri %s is not a valid repo url on this host %s", uri, setting.AppURL+"api")
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}
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validatedURI, err := url.ParseRequestURI(uri)
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if err != nil {
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return RepositoryID{}, err
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}
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actorID, err := newActorID(validatedURI, source)
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if err != nil {
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return RepositoryID{}, err
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}
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// validate Person specific path
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repoID := RepositoryID{actorID}
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if valid, outcome := validation.IsValid(repoID); !valid {
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return RepositoryID{}, outcome
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}
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return repoID, nil
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}
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func (id ActorID) AsURI() string {
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var result string
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if id.Port == "" {
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result = fmt.Sprintf("%s://%s/%s/%s", id.Schema, id.Host, id.Path, id.Id)
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} else {
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result = fmt.Sprintf("%s://%s:%s/%s/%s", id.Schema, id.Host, id.Port, id.Path, id.Id)
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}
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return result
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}
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func (id PersonID) AsWebfinger() string {
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result := fmt.Sprintf("@%s@%s", strings.ToLower(id.Id), strings.ToLower(id.Host))
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return result
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}
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func (id PersonID) AsLoginName() string {
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result := fmt.Sprintf("%s%s", strings.ToLower(id.Id), id.HostSuffix())
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return result
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}
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func (id PersonID) HostSuffix() string {
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result := fmt.Sprintf("-%s", strings.ToLower(id.Host))
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return result
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}
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// Validate collects error strings in a slice and returns this
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func (id ActorID) Validate() []string {
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var result []string
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result = append(result, validation.ValidateNotEmpty(id.Id, "userId")...)
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result = append(result, validation.ValidateNotEmpty(id.Source, "source")...)
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result = append(result, validation.ValidateNotEmpty(id.Schema, "schema")...)
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result = append(result, validation.ValidateNotEmpty(id.Path, "path")...)
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result = append(result, validation.ValidateNotEmpty(id.Host, "host")...)
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result = append(result, validation.ValidateNotEmpty(id.UnvalidatedInput, "unvalidatedInput")...)
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result = append(result, validation.ValidateOneOf(id.Source, []string{"forgejo", "gitea"})...)
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if id.UnvalidatedInput != id.AsURI() {
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result = append(result, fmt.Sprintf("not all input: %q was parsed: %q", id.UnvalidatedInput, id.AsURI()))
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}
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return result
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}
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func (id PersonID) Validate() []string {
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result := id.ActorID.Validate()
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switch id.Source {
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case "forgejo", "gitea":
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if strings.ToLower(id.Path) != "api/v1/activitypub/user-id" && strings.ToLower(id.Path) != "api/activitypub/user-id" {
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result = append(result, fmt.Sprintf("path: %q has to be a person specific api path", id.Path))
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}
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}
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return result
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}
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func (id RepositoryID) Validate() []string {
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result := id.ActorID.Validate()
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switch id.Source {
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case "forgejo", "gitea":
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if strings.ToLower(id.Path) != "api/v1/activitypub/repository-id" && strings.ToLower(id.Path) != "api/activitypub/repository-id" {
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result = append(result, fmt.Sprintf("path: %q has to be a repo specific api path", id.Path))
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}
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}
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return result
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}
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func containsEmptyString(ar []string) bool {
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for _, elem := range ar {
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if elem == "" {
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return true
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}
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}
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return false
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}
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func removeEmptyStrings(ls []string) []string {
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var rs []string
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for _, str := range ls {
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if str != "" {
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rs = append(rs, str)
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}
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}
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return rs
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}
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func IsValid[T Validateables](value T) (bool, error) {
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if err := value.Validate(); len(err) > 0 {
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errString := strings.Join(err, "\n")
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return false, fmt.Errorf(errString)
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}
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return true, nil
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}
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/*
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func (a RepositoryId) IsValid() (bool, error) {
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if err := a.Validate(); len(err) > 0 {
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errString := strings.Join(err, "\n")
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return false, fmt.Errorf(errString)
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}
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return true, nil
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}
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func (a PersonId) IsValid() (bool, error) {
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if err := a.Validate(); len(err) > 0 {
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errString := strings.Join(err, "\n")
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return false, fmt.Errorf(errString)
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}
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return true, nil
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}
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*/
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