Remove unnecessary storage config variables (#344)

* rewire config to not use extraneous serve vars

* rename 'file' to 'local' for consistency

* use Type and Size again

1 files changed, 323 insertions, 0 deletions

diff --git a/internal/uris/uri.go b/internal/uris/uri.go
new file mode 100644
index 000000000..2b52dc6ce
--- /dev/null
+++ b/internal/uris/uri.go
@@ -0,0 +1,323 @@
+/*
+   GoToSocial
+   Copyright (C) 2021 GoToSocial Authors admin@gotosocial.org
+
+   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"
+
+	"github.com/spf13/viper"
+	"github.com/superseriousbusiness/gotosocial/internal/config"
+	"github.com/superseriousbusiness/gotosocial/internal/regexes"
+)
+
+const (
+	UsersPath        = "users"         // UsersPath is for serving users info
+	ActorsPath       = "actors"        // ActorsPath is for serving actors 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
+	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
+)
+
+// 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
+	CollectionURI 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 := viper.GetString(config.Keys.Protocol)
+	host := viper.GetString(config.Keys.Host)
+	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 := viper.GetString(config.Keys.Protocol)
+	host := viper.GetString(config.Keys.Host)
+	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 := viper.GetString(config.Keys.Protocol)
+	host := viper.GetString(config.Keys.Host)
+	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 := viper.GetString(config.Keys.Protocol)
+	host := viper.GetString(config.Keys.Host)
+	return fmt.Sprintf("%s://%s/%s/%s/%s/%s", protocol, host, UsersPath, username, BlocksPath, thisBlockID)
+}
+
+// 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 := viper.GetString(config.Keys.Protocol)
+	host := viper.GetString(config.Keys.Host)
+	return fmt.Sprintf("%s://%s/%s?token=%s", protocol, host, ConfirmEmailPath, token)
+}
+
+// GenerateURIsForAccount throws together a bunch of URIs for the given username, with the given protocol and host.
+func GenerateURIsForAccount(username string) *UserURIs {
+	protocol := viper.GetString(config.Keys.Protocol)
+	host := viper.GetString(config.Keys.Host)
+
+	// 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,
+		CollectionURI: collectionURI,
+		PublicKeyURI:  publicKeyURI,
+	}
+}
+
+// GenerateURIForAttachment generates a URI for an attachment/emoji/header etc.
+// Will produced something like https://example.org/fileserver/01FPST95B8FC3HG3AGCDKPQNQ2/attachment/original/01FPST9QK4V5XWS3F9Z4F2G1X7.gif
+func GenerateURIForAttachment(accountID string, mediaType string, mediaSize string, mediaID string, extension string) string {
+	protocol := viper.GetString(config.Keys.Protocol)
+	host := viper.GetString(config.Keys.Host)
+
+	return fmt.Sprintf("%s://%s/%s/%s/%s/%s/%s.%s", protocol, host, FileserverPath, accountID, mediaType, mediaSize, mediaID, extension)
+}
+
+// GenerateURIForEmoji generates an activitypub uri for a new emoji.
+func GenerateURIForEmoji(emojiID string) string {
+	protocol := viper.GetString(config.Keys.Protocol)
+	host := viper.GetString(config.Keys.Host)
+
+	return fmt.Sprintf("%s://%s/%s/%s", protocol, host, EmojiPath, emojiID)
+}
+
+// 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)
+}
+
+// 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)
+}
+
+// IsInstanceActorPath returns true if the given URL path corresponds to eg /actors/example_username
+func IsInstanceActorPath(id *url.URL) bool {
+	return regexes.ActorPath.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)
+}
+
+// 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
+}
+
+// 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
+}