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gotosocial/internal/uris/uri.go

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Go

// GoToSocial
// Copyright (C) GoToSocial Authors admin@gotosocial.org
// SPDX-License-Identifier: AGPL-3.0-or-later
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package uris
import (
"fmt"
"net/url"
"strings"
"github.com/superseriousbusiness/gotosocial/internal/config"
"github.com/superseriousbusiness/gotosocial/internal/regexes"
)
const (
UsersPath = "users" // UsersPath is for serving users info
StatusesPath = "statuses" // StatusesPath is for serving statuses
InboxPath = "inbox" // InboxPath represents the activitypub inbox location
OutboxPath = "outbox" // OutboxPath represents the activitypub outbox location
FollowersPath = "followers" // FollowersPath represents the activitypub followers location
FollowingPath = "following" // FollowingPath represents the activitypub following location
LikedPath = "liked" // LikedPath represents the activitypub liked location
CollectionsPath = "collections" // CollectionsPath represents the activitypub collections location
FeaturedPath = "featured" // FeaturedPath represents the activitypub featured location
PublicKeyPath = "main-key" // PublicKeyPath is for serving an account's public key
FollowPath = "follow" // FollowPath used to generate the URI for an individual follow or follow request
UpdatePath = "updates" // UpdatePath is used to generate the URI for an account update
BlocksPath = "blocks" // BlocksPath is used to generate the URI for a block
MovesPath = "moves" // MovesPath is used to generate the URI for a move
ReportsPath = "reports" // ReportsPath is used to generate the URI for a report/flag
ConfirmEmailPath = "confirm_email" // ConfirmEmailPath is used to generate the URI for an email confirmation link
FileserverPath = "fileserver" // FileserverPath is a path component for serving attachments + media
EmojiPath = "emoji" // EmojiPath represents the activitypub emoji location
TagsPath = "tags" // TagsPath represents the activitypub tags location
AcceptsPath = "accepts" // AcceptsPath represents the activitypub Accept's location
RejectsPath = "rejects" // RejectsPath represents the activitypub Reject's location
)
// UserURIs contains a bunch of UserURIs and URLs for a user, host, account, etc.
type UserURIs struct {
// The web URL of the instance host, eg https://example.org
HostURL string
// The web URL of the user, eg., https://example.org/@example_user
UserURL string
// The web URL for statuses of this user, eg., https://example.org/@example_user/statuses
StatusesURL string
// The activitypub URI of this user, eg., https://example.org/users/example_user
UserURI string
// The activitypub URI for this user's statuses, eg., https://example.org/users/example_user/statuses
StatusesURI string
// The activitypub URI for this user's activitypub inbox, eg., https://example.org/users/example_user/inbox
InboxURI string
// The activitypub URI for this user's activitypub outbox, eg., https://example.org/users/example_user/outbox
OutboxURI string
// The activitypub URI for this user's followers, eg., https://example.org/users/example_user/followers
FollowersURI string
// The activitypub URI for this user's following, eg., https://example.org/users/example_user/following
FollowingURI string
// The activitypub URI for this user's liked posts eg., https://example.org/users/example_user/liked
LikedURI string
// The activitypub URI for this user's featured collections, eg., https://example.org/users/example_user/collections/featured
FeaturedCollectionURI string
// The URI for this user's public key, eg., https://example.org/users/example_user/publickey
PublicKeyURI string
}
// GenerateURIForFollow returns the AP URI for a new follow -- something like:
// https://example.org/users/whatever_user/follow/01F7XTH1QGBAPMGF49WJZ91XGC
func GenerateURIForFollow(username string, thisFollowID string) string {
protocol := config.GetProtocol()
host := config.GetHost()
return fmt.Sprintf("%s://%s/%s/%s/%s/%s", protocol, host, UsersPath, username, FollowPath, thisFollowID)
}
// GenerateURIForLike returns the AP URI for a new like/fave -- something like:
// https://example.org/users/whatever_user/liked/01F7XTH1QGBAPMGF49WJZ91XGC
func GenerateURIForLike(username string, thisFavedID string) string {
protocol := config.GetProtocol()
host := config.GetHost()
return fmt.Sprintf("%s://%s/%s/%s/%s/%s", protocol, host, UsersPath, username, LikedPath, thisFavedID)
}
// GenerateURIForUpdate returns the AP URI for a new update activity -- something like:
// https://example.org/users/whatever_user#updates/01F7XTH1QGBAPMGF49WJZ91XGC
func GenerateURIForUpdate(username string, thisUpdateID string) string {
protocol := config.GetProtocol()
host := config.GetHost()
return fmt.Sprintf("%s://%s/%s/%s#%s/%s", protocol, host, UsersPath, username, UpdatePath, thisUpdateID)
}
// GenerateURIForBlock returns the AP URI for a new block activity -- something like:
// https://example.org/users/whatever_user/blocks/01F7XTH1QGBAPMGF49WJZ91XGC
func GenerateURIForBlock(username string, thisBlockID string) string {
protocol := config.GetProtocol()
host := config.GetHost()
return fmt.Sprintf("%s://%s/%s/%s/%s/%s", protocol, host, UsersPath, username, BlocksPath, thisBlockID)
}
// GenerateURIForMove returns the AP URI for a new Move activity -- something like:
// https://example.org/users/whatever_user/moves/01F7XTH1QGBAPMGF49WJZ91XGC
func GenerateURIForMove(username string, thisMoveID string) string {
protocol := config.GetProtocol()
host := config.GetHost()
return fmt.Sprintf("%s://%s/%s/%s/%s/%s", protocol, host, UsersPath, username, MovesPath, thisMoveID)
}
// GenerateURIForReport returns the API URI for a new Flag activity -- something like:
// https://example.org/reports/01GP3AWY4CRDVRNZKW0TEAMB5R
//
// This path specifically doesn't contain any info about the user who did the reporting,
// to protect their privacy.
func GenerateURIForReport(thisReportID string) string {
protocol := config.GetProtocol()
host := config.GetHost()
return fmt.Sprintf("%s://%s/%s/%s", protocol, host, ReportsPath, thisReportID)
}
// GenerateURIForEmailConfirm returns a link for email confirmation -- something like:
// https://example.org/confirm_email?token=490e337c-0162-454f-ac48-4b22bb92a205
func GenerateURIForEmailConfirm(token string) string {
protocol := config.GetProtocol()
host := config.GetHost()
return fmt.Sprintf("%s://%s/%s?token=%s", protocol, host, ConfirmEmailPath, token)
}
// GenerateURIForAccept returns the AP URI for a new Accept activity -- something like:
// https://example.org/users/whatever_user/accepts/01F7XTH1QGBAPMGF49WJZ91XGC
func GenerateURIForAccept(username string, thisAcceptID string) string {
protocol := config.GetProtocol()
host := config.GetHost()
return fmt.Sprintf("%s://%s/%s/%s/%s/%s", protocol, host, UsersPath, username, AcceptsPath, thisAcceptID)
}
// GenerateURIForReject returns the AP URI for a new Reject activity -- something like:
// https://example.org/users/whatever_user/rejects/01F7XTH1QGBAPMGF49WJZ91XGC
func GenerateURIForReject(username string, thisRejectID string) string {
protocol := config.GetProtocol()
host := config.GetHost()
return fmt.Sprintf("%s://%s/%s/%s/%s/%s", protocol, host, UsersPath, username, RejectsPath, thisRejectID)
}
// GenerateURIsForAccount throws together a bunch of URIs for the given username, with the given protocol and host.
func GenerateURIsForAccount(username string) *UserURIs {
protocol := config.GetProtocol()
host := config.GetHost()
// The below URLs are used for serving web requests
hostURL := fmt.Sprintf("%s://%s", protocol, host)
userURL := fmt.Sprintf("%s/@%s", hostURL, username)
statusesURL := fmt.Sprintf("%s/%s", userURL, StatusesPath)
// the below URIs are used in ActivityPub and Webfinger
userURI := fmt.Sprintf("%s/%s/%s", hostURL, UsersPath, username)
statusesURI := fmt.Sprintf("%s/%s", userURI, StatusesPath)
inboxURI := fmt.Sprintf("%s/%s", userURI, InboxPath)
outboxURI := fmt.Sprintf("%s/%s", userURI, OutboxPath)
followersURI := fmt.Sprintf("%s/%s", userURI, FollowersPath)
followingURI := fmt.Sprintf("%s/%s", userURI, FollowingPath)
likedURI := fmt.Sprintf("%s/%s", userURI, LikedPath)
collectionURI := fmt.Sprintf("%s/%s/%s", userURI, CollectionsPath, FeaturedPath)
publicKeyURI := fmt.Sprintf("%s/%s", userURI, PublicKeyPath)
return &UserURIs{
HostURL: hostURL,
UserURL: userURL,
StatusesURL: statusesURL,
UserURI: userURI,
StatusesURI: statusesURI,
InboxURI: inboxURI,
OutboxURI: outboxURI,
FollowersURI: followersURI,
FollowingURI: followingURI,
LikedURI: likedURI,
FeaturedCollectionURI: collectionURI,
PublicKeyURI: publicKeyURI,
}
}
// URIForAttachment generates a URI for
// an attachment/emoji/header etc.
//
// Will produce something like:
//
// "https://example.org/fileserver/01FPST95B8FC3HG3AGCDKPQNQ2/attachment/original/01FPST9QK4V5XWS3F9Z4F2G1X7.gif"
func URIForAttachment(
accountID string,
mediaType string,
mediaSize string,
mediaID string,
extension string,
) string {
const format = "%s://%s/%s/%s/%s/%s/%s.%s"
return fmt.Sprintf(
format,
config.GetProtocol(),
config.GetHost(),
FileserverPath,
accountID,
mediaType,
mediaSize,
mediaID,
extension,
)
}
// StoragePathForAttachment generates a storage
// path for an attachment/emoji/header etc.
//
// Will produce something like:
//
// "01FPST95B8FC3HG3AGCDKPQNQ2/attachment/original/01FPST9QK4V5XWS3F9Z4F2G1X7.gif"
func StoragePathForAttachment(
accountID string,
mediaType string,
mediaSize string,
mediaID string,
extension string,
) string {
const format = "%s/%s/%s/%s.%s"
return fmt.Sprintf(
format,
accountID,
mediaType,
mediaSize,
mediaID,
extension,
)
}
// URIForEmoji generates an
// ActivityPub URI for an emoji.
//
// Will produce something like:
//
// "https://example.org/emoji/01FPST9QK4V5XWS3F9Z4F2G1X7"
func URIForEmoji(emojiID string) string {
const format = "%s://%s/%s/%s"
return fmt.Sprintf(
format,
config.GetProtocol(),
config.GetHost(),
EmojiPath,
emojiID,
)
}
// URIForTag generates an activitypub uri for a tag.
func URIForTag(name string) string {
protocol := config.GetProtocol()
host := config.GetHost()
return fmt.Sprintf("%s://%s/%s/%s", protocol, host, TagsPath, strings.ToLower(name))
}
// IsUserPath returns true if the given URL path corresponds to eg /users/example_username
func IsUserPath(id *url.URL) bool {
return regexes.UserPath.MatchString(id.Path)
}
// IsUserWebPath returns true if the given URL path corresponds to eg /@example_username
func IsUserWebPath(id *url.URL) bool {
return regexes.UserWebPath.MatchString(id.Path)
}
// IsInboxPath returns true if the given URL path corresponds to eg /users/example_username/inbox
func IsInboxPath(id *url.URL) bool {
return regexes.InboxPath.MatchString(id.Path)
}
// IsOutboxPath returns true if the given URL path corresponds to eg /users/example_username/outbox
func IsOutboxPath(id *url.URL) bool {
return regexes.OutboxPath.MatchString(id.Path)
}
// IsFollowersPath returns true if the given URL path corresponds to eg /users/example_username/followers
func IsFollowersPath(id *url.URL) bool {
return regexes.FollowersPath.MatchString(id.Path)
}
// IsFollowingPath returns true if the given URL path corresponds to eg /users/example_username/following
func IsFollowingPath(id *url.URL) bool {
return regexes.FollowingPath.MatchString(id.Path)
}
// IsFollowPath returns true if the given URL path corresponds to eg /users/example_username/follow/SOME_ULID_OF_A_FOLLOW
func IsFollowPath(id *url.URL) bool {
return regexes.FollowPath.MatchString(id.Path)
}
// IsLikedPath returns true if the given URL path corresponds to eg /users/example_username/liked
func IsLikedPath(id *url.URL) bool {
return regexes.LikedPath.MatchString(id.Path)
}
// IsLikePath returns true if the given URL path corresponds to eg /users/example_username/liked/SOME_ULID_OF_A_STATUS
func IsLikePath(id *url.URL) bool {
return regexes.LikePath.MatchString(id.Path)
}
// IsStatusesPath returns true if the given URL path corresponds to eg /users/example_username/statuses/SOME_ULID_OF_A_STATUS
func IsStatusesPath(id *url.URL) bool {
return regexes.StatusesPath.MatchString(id.Path)
}
// IsPublicKeyPath returns true if the given URL path corresponds to eg /users/example_username/main-key
func IsPublicKeyPath(id *url.URL) bool {
return regexes.PublicKeyPath.MatchString(id.Path)
}
// IsBlockPath returns true if the given URL path corresponds to eg /users/example_username/blocks/SOME_ULID_OF_A_BLOCK
func IsBlockPath(id *url.URL) bool {
return regexes.BlockPath.MatchString(id.Path)
}
// IsReportPath returns true if the given URL path corresponds to eg /reports/SOME_ULID_OF_A_REPORT
func IsReportPath(id *url.URL) bool {
return regexes.ReportPath.MatchString(id.Path)
}
// IsAcceptsPath returns true if the given URL path corresponds to eg /users/example_username/accepts/SOME_ULID_OF_AN_ACCEPT
func IsAcceptsPath(id *url.URL) bool {
return regexes.AcceptsPath.MatchString(id.Path)
}
// ParseStatusesPath returns the username and ulid from a path such as /users/example_username/statuses/SOME_ULID_OF_A_STATUS
func ParseStatusesPath(id *url.URL) (username string, ulid string, err error) {
matches := regexes.StatusesPath.FindStringSubmatch(id.Path)
if len(matches) != 3 {
err = fmt.Errorf("expected 3 matches but matches length was %d", len(matches))
return
}
username = matches[1]
ulid = matches[2]
return
}
// ParseUserPath returns the username from a path such as /users/example_username
func ParseUserPath(id *url.URL) (username string, err error) {
matches := regexes.UserPath.FindStringSubmatch(id.Path)
if len(matches) != 2 {
err = fmt.Errorf("expected 2 matches but matches length was %d", len(matches))
return
}
username = matches[1]
return
}
// ParseUserPath returns the username from a path such as /@example_username
func ParseUserWebPath(id *url.URL) (username string, err error) {
matches := regexes.UserWebPath.FindStringSubmatch(id.Path)
if len(matches) != 2 {
err = fmt.Errorf("expected 2 matches but matches length was %d", len(matches))
return
}
username = matches[1]
return
}
// ParseInboxPath returns the username from a path such as /users/example_username/inbox
func ParseInboxPath(id *url.URL) (username string, err error) {
matches := regexes.InboxPath.FindStringSubmatch(id.Path)
if len(matches) != 2 {
err = fmt.Errorf("expected 2 matches but matches length was %d", len(matches))
return
}
username = matches[1]
return
}
// ParseOutboxPath returns the username from a path such as /users/example_username/outbox
func ParseOutboxPath(id *url.URL) (username string, err error) {
matches := regexes.OutboxPath.FindStringSubmatch(id.Path)
if len(matches) != 2 {
err = fmt.Errorf("expected 2 matches but matches length was %d", len(matches))
return
}
username = matches[1]
return
}
// ParseFollowersPath returns the username from a path such as /users/example_username/followers
func ParseFollowersPath(id *url.URL) (username string, err error) {
matches := regexes.FollowersPath.FindStringSubmatch(id.Path)
if len(matches) != 2 {
err = fmt.Errorf("expected 2 matches but matches length was %d", len(matches))
return
}
username = matches[1]
return
}
// ParseFollowingPath returns the username from a path such as /users/example_username/following
func ParseFollowingPath(id *url.URL) (username string, err error) {
matches := regexes.FollowingPath.FindStringSubmatch(id.Path)
if len(matches) != 2 {
err = fmt.Errorf("expected 2 matches but matches length was %d", len(matches))
return
}
username = matches[1]
return
}
// ParseLikedPath returns the username and ulid from a path such as /users/example_username/liked/SOME_ULID_OF_A_STATUS
func ParseLikedPath(id *url.URL) (username string, ulid string, err error) {
matches := regexes.LikePath.FindStringSubmatch(id.Path)
if len(matches) != 3 {
err = fmt.Errorf("expected 3 matches but matches length was %d", len(matches))
return
}
username = matches[1]
ulid = matches[2]
return
}
// ParseBlockPath returns the username and ulid from a path such as /users/example_username/blocks/SOME_ULID_OF_A_BLOCK
func ParseBlockPath(id *url.URL) (username string, ulid string, err error) {
matches := regexes.BlockPath.FindStringSubmatch(id.Path)
if len(matches) != 3 {
err = fmt.Errorf("expected 3 matches but matches length was %d", len(matches))
return
}
username = matches[1]
ulid = matches[2]
return
}
// ParseReportPath returns the ulid from a path such as /reports/SOME_ULID_OF_A_REPORT
func ParseReportPath(id *url.URL) (ulid string, err error) {
matches := regexes.ReportPath.FindStringSubmatch(id.Path)
if len(matches) != 2 {
err = fmt.Errorf("expected 2 matches but matches length was %d", len(matches))
return
}
ulid = matches[1]
return
}