sop.epic/main.go
2023-07-01 23:30:36 -06:00

384 lines
15 KiB
Go

////////////////////////
// //
// Indigo //
// The Miiverse clone //
// that will end all //
// other Miiverse //
// clones, for real //
// this time. //
// //
// Lead Devs: PF2M, //
// Seth/EnergeticBark //
// //
// Developers: Ben, //
// triangles.py, jod, //
// & Chance/SRGNation //
// //
// Artwork: Spicy & //
// Inverse & Gnarly //
// //
// Marketing: Pip //
// //
// Testing: Mippy ♥ //
// //
// https://github.com //
// /PF2M/Indigo //
// //
////////////////////////
package main
// Import dependencies.
import (
// Internals
"database/sql"
"encoding/json"
"html/template"
"log"
"net"
"net/http"
"os"
"path/filepath"
// "user" is already defined in types
osUser "os/user"
"strconv"
"regexp"
// Externals
"github.com/NYTimes/gziphandler"
_ "github.com/go-sql-driver/mysql"
"github.com/gorilla/csrf"
"github.com/gorilla/mux"
"github.com/gorilla/websocket"
"github.com/oschwald/geoip2-golang"
"github.com/russross/blackfriday/v2"
)
// Initialize some variables.
var db *sql.DB
var err error
var clients = make(map[*websocket.Conn]*wsSession)
var settings config
var admin adminConfig
var youtube *regexp.Regexp
var spotify *regexp.Regexp
var soundcloud *regexp.Regexp
var symbols *regexp.Regexp
var emotes *regexp.Regexp
var renderer *blackfriday.HTMLRenderer
var geoip *geoip2.Reader
var isGeoIPEnabled bool
// Configure the upgrader.
var upgrader = websocket.Upgrader{
CheckOrigin: func(r *http.Request) bool {
// Todo: Add to this if necessary
return true
},
EnableCompression: true,
}
// Define the templates.
var templates *template.Template
// Redirect HTTP requests to HTTPS if properly configured.
func redirect(w http.ResponseWriter, r *http.Request) {
http.Redirect(w, r, "https://"+r.Host+r.URL.Path, http.StatusTemporaryRedirect)
}
// Now let's start the main function!
func main() {
// Fetch the site's settings from JSON files.
settings = getSettings()
adminJSON, err := os.ReadFile("admin.json")
if err != nil {
log.Fatal(err)
}
err = json.Unmarshal(adminJSON, &admin)
if err != nil {
log.Fatal(err)
}
// Connect to the database.
db, err = sql.Open("mysql", settings.DB.Username+":"+settings.DB.Password+"@tcp("+settings.DB.Host+")/"+settings.DB.Name+"?parseTime=true&loc=US%2FEastern&charset=utf8mb4,utf8")
if err != nil {
log.Printf("[err]: unable to connect to the database...\n")
log.Printf(" %v\n", err)
os.Exit(1)
}
// Ping the database to make sure we connected properly.
err = db.Ping()
if err != nil {
log.Printf("[err]: unable to ping the database...\n")
log.Printf(" %v\n", err)
os.Exit(1)
}
_, err = db.Exec("SET CHARACTER SET utf8mb4")
if err != nil {
log.Printf("[err]: unable to set the character set...\n")
log.Printf(" %v\n", err)
os.Exit(1)
}
_, err = db.Exec("SET collation_connection = utf8mb4_bin")
if err != nil {
log.Printf("[err]: unable to set the connection collation...\n")
log.Printf(" %v\n", err)
os.Exit(1)
}
// Initialize some regex.
youtube, _ = regexp.Compile("(?:youtube\\.com/\\S*(?:(?:/e(?:mbed))?/|watch/?\\?(?:\\S*?&?v=))|youtu\\.be/)([a-zA-Z0-9_-]{6,11})")
spotify, _ = regexp.Compile("(?:embed\\.|open\\.)(?:spotify\\.com/)(?:track/|\\?uri=spotify:track:)((\\w|-){22})")
soundcloud, _ = regexp.Compile("(soundcloud\\.com|snd\\.sc)(.*)")
symbols, _ = regexp.Compile("(\\|\\\\|`|\\*|{|}|\\[|\\](|)|\\+|-|!|_|>|\\n|&|:|<)")
emotes, err = regexp.Compile(":([^ :]+):")
if err != nil {
log.Fatal(err)
}
// Initialize Markdown renderer.
renderer = blackfriday.NewHTMLRenderer(blackfriday.HTMLRendererParameters{
Flags: 2 | 4 | 128,
})
// Initialize GeoIP if a database is present.
isGeoIPEnabled = false
if _, err = os.Stat("geoip.mmdb"); err == nil {
geoip, err = geoip2.Open("geoip.mmdb")
if err != nil {
log.Fatal(err)
}
defer geoip.Close()
isGeoIPEnabled = true
}
// Wipe the online statuses of all the users and delete all session keys (necessary after crashes, shutdowns, etc.)
db.QueryRow("UPDATE users SET online = 0").Scan()
db.QueryRow("TRUNCATE TABLE sessions").Scan()
// Close the database connection after this function exits.
defer db.Close()
// initialize the templates by parsing everything from the views directory recursively
var tmplFiles []string
err = filepath.Walk("views", func(path string, info os.FileInfo, err error) error {
if err != nil {
return err
}
// exclude non-html files
if !info.IsDir() && filepath.Ext(path) == ".html" {
// feel free to instead make this directly build the template
tmplFiles = append(tmplFiles, path)
}
return nil
})
if err != nil {
log.Fatal("could not add or find templates (they are stored in views, is this accessible?): ", err)
}
templates = template.Must(template.ParseFiles(tmplFiles...))
// make the directory for the local image provider if it doesn't exist
if settings.ImageHost.Provider == "local" {
// check if the error is specifically os.IsNotExist
if _, err := os.Stat(settings.ImageHost.ImageEndpoint); os.IsNotExist(err) {
// should make it in this working directory
err = os.MkdirAll(settings.ImageHost.ImageEndpoint, 0755)
if err != nil {
log.Println("could not make \""+settings.ImageHost.ImageEndpoint+"\" directory for local image host:", err)
}
}
}
// Set up CSRF.
CSRF := csrf.Protect([]byte(settings.CSRFSecret), csrf.FieldName("csrfmiddlewaretoken"), csrf.Path("/"), csrf.Secure(settings.SSL.Enabled))
// Initialize routes.
r := mux.NewRouter()
// functions that don't useLogin or requireLogin,
// they don't necessarily not access the user
// but just do it independently, not utilizing the CurrentUser
// Index route.
r.HandleFunc("/", useLogin(index)).Methods("GET")
// Auth routes.
r.HandleFunc("/signup", signup).Methods("GET", "POST")
r.HandleFunc("/login", login).Methods("GET", "POST")
r.HandleFunc("/logout", logout).Methods("POST")
r.HandleFunc("/reset", useLogin(resetPassword)).Methods("GET", "POST").Queries("token", "{token}")
r.HandleFunc("/reset", useLogin(showResetPassword)).Methods("GET", "POST")
// User routes.
r.HandleFunc("/users", requireLogin(showUserSearch)).Methods("GET").Queries("query", "{username}")
r.HandleFunc("/users/{username}", useLogin(showUser)).Methods("GET")
r.HandleFunc("/users/{username}/posts", useLogin(showUserPosts)).Methods("GET")
r.HandleFunc("/users/{username}/comments", useLogin(showUserComments)).Methods("GET")
r.HandleFunc("/users/{username}/yeahs", useLogin(showUserYeahs)).Methods("GET")
r.HandleFunc("/users/{username}/friends", useLogin(showFriends)).Methods("GET")
r.HandleFunc("/users/{username}/following", useLogin(showFollowing)).Methods("GET")
r.HandleFunc("/users/{username}/followers", useLogin(showFollowers)).Methods("GET")
r.HandleFunc("/users/{username}/favorites", useLogin(showFavorites)).Methods("GET")
r.HandleFunc("/users/{username}/friend_new", requireLogin(newFriendRequest)).Methods("POST")
r.HandleFunc("/users/{username}/friend_accept", requireLogin(acceptFriendRequest)).Methods("POST")
r.HandleFunc("/users/{username}/friend_reject", requireLogin(rejectFriendRequest)).Methods("POST")
r.HandleFunc("/users/{username}/friend_cancel", requireLogin(cancelFriendRequest)).Methods("POST")
r.HandleFunc("/users/{username}/friend_delete", requireLogin(deleteFriend)).Methods("POST")
r.HandleFunc("/users/{username}/follow", requireLogin(createFollow)).Methods("POST")
r.HandleFunc("/users/{username}/unfollow", requireLogin(deleteFollow)).Methods("POST")
r.HandleFunc("/users/{username}/violators", requireLogin(reportUser)).Methods("POST")
r.HandleFunc("/users/{username}/block", requireLogin(blockUser)).Methods("POST")
r.HandleFunc("/users/{username}/unblock", requireLogin(unblockUser)).Methods("POST")
// Post routes.
r.HandleFunc("/posts/{id:[0-9]+}", useLogin(showPost)).Methods("GET")
r.HandleFunc("/posts/{id:[0-9]+}/yeah", requireLogin(createPostYeah)).Methods("POST")
r.HandleFunc("/posts/{id:[0-9]+}/yeahu", requireLogin(deletePostYeah)).Methods("POST")
r.HandleFunc("/posts/{id:[0-9]+}/comments", useLogin(showAllComments)).Methods("GET")
r.HandleFunc("/posts/{id:[0-9]+}/comments", requireLogin(createComment)).Methods("POST")
r.HandleFunc("/posts/{id:[0-9]+}/favorite", requireLogin(favoritePost)).Methods("POST")
r.HandleFunc("/posts/{id:[0-9]+}/unfavorite", requireLogin(unfavoritePost)).Methods("POST")
r.HandleFunc("/posts/{id:[0-9]+}/violations", requireLogin(reportPost)).Methods("POST")
r.HandleFunc("/posts/{id:[0-9]+}/vote", requireLogin(voteOnPoll)).Methods("POST")
r.HandleFunc("/posts/{id:[0-9]+}/edit", requireLogin(editPost)).Methods("POST")
r.HandleFunc("/posts/{id:[0-9]+}/delete", requireLogin(deletePost)).Methods("POST")
// Comment routes.
r.HandleFunc("/comments/{id:[0-9]+}", useLogin(showComment)).Methods("GET")
r.HandleFunc("/comments/{id:[0-9]+}/yeah", requireLogin(createCommentYeah)).Methods("POST")
r.HandleFunc("/comments/{id:[0-9]+}/yeahu", requireLogin(deleteCommentYeah)).Methods("POST")
r.HandleFunc("/comments/{id:[0-9]+}/violations", requireLogin(reportComment)).Methods("POST")
r.HandleFunc("/comments/{id:[0-9]+}/edit", requireLogin(editComment)).Methods("POST")
r.HandleFunc("/comments/{id:[0-9]+}/delete", requireLogin(deleteComment)).Methods("POST")
// Community routes.
r.HandleFunc("/communities/all", useLogin(showAllCommunities)).Methods("GET")
r.HandleFunc("/communities/recent", requireLogin(showRecentCommunities)).Methods("GET")
r.HandleFunc("/communities/search", useLogin(showCommunitySearch)).Methods("GET").Queries("query", "{search}")
r.HandleFunc("/communities/{id:[0-9]+}", useLogin(showCommunity)).Methods("GET")
r.HandleFunc("/communities/{id:[0-9]+}/hot", useLogin(showPopularPosts)).Methods("GET")
r.HandleFunc("/communities/{id:[0-9]+}/posts", requireLogin(createPost)).Methods("POST")
r.HandleFunc("/communities/{id:[0-9]+}/favorite", requireLogin(addCommunityFavorite)).Methods("POST")
r.HandleFunc("/communities/{id:[0-9]+}/unfavorite", requireLogin(deleteCommunityFavorite)).Methods("POST")
// Activiy Feed route.
r.HandleFunc("/activity", requireLogin(showActivityFeed)).Methods("GET")
// Message routes.
r.HandleFunc("/messages", requireLogin(showMessages)).Methods("GET")
r.HandleFunc("/messages", requireLogin(sendMessage)).Methods("POST")
r.HandleFunc("/messages/{id:[0-9]+}/delete", requireLogin(deleteMessage)).Methods("POST")
r.HandleFunc("/messages/{username}", requireLogin(showConversation)).Methods("GET")
r.HandleFunc("/conversations/{id:[0-9]+}", requireLogin(showGroupChat)).Methods("GET")
r.HandleFunc("/conversations/create", requireLogin(showCreateGroupChat)).Methods("GET")
r.HandleFunc("/conversations/create", requireLogin(createGroupChat)).Methods("POST")
r.HandleFunc("/conversations/{id:[0-9]+}/edit", requireLogin(showEditGroupChat)).Methods("GET")
r.HandleFunc("/conversations/{id:[0-9]+}/edit", requireLogin(editGroupChat)).Methods("POST")
r.HandleFunc("/conversations/{id:[0-9]+}/leave", requireLogin(leaveGroupChat)).Methods("POST")
r.HandleFunc("/conversations/{id:[0-9]+}/delete", requireLogin(deleteGroupChat)).Methods("POST")
// Notification routes.
r.HandleFunc("/check_update.json", requireLogin(getNotificationCounts)).Methods("GET")
r.HandleFunc("/notifications", requireLogin(showNotifications)).Methods("GET")
r.HandleFunc("/notifications/friend_requests", requireLogin(showFriendRequests)).Methods("GET")
// Settings routes.
r.HandleFunc("/settings/profile", requireLogin(showProfileSettings)).Methods("GET")
r.HandleFunc("/settings/profile", requireLogin(editProfileSettings)).Methods("POST")
r.HandleFunc("/region", requireLogin(getRegion)).Methods("POST")
r.HandleFunc("/miis", getMii).Methods("POST")
r.HandleFunc("/migrate/{id:[0-9]+}", requireLogin(migratePosts)).Methods("POST")
r.HandleFunc("/rollback/{id:[0-9]+}", requireLogin(rollbackImport)).Methods("POST")
r.HandleFunc("/settings/account", requireLogin(showAccountSettings)).Methods("GET")
r.HandleFunc("/settings/account", requireLogin(editAccountSettings)).Methods("POST")
r.HandleFunc("/blocked", requireLogin(showBlocked)).Methods("GET")
// Help page routes.
r.HandleFunc("/help/rules", useLogin(showRulesPage)).Methods("GET")
r.HandleFunc("/help/faq", useLogin(showFAQPage)).Methods("GET")
r.HandleFunc("/help/legal", useLogin(showLegalPage)).Methods("GET")
r.HandleFunc("/help/contact", useLogin(showContactPage)).Methods("GET")
// Image upload route.
r.HandleFunc("/upload", uploadImage).Methods("POST")
// Admin routes.
r.HandleFunc("/admin", requireLogin(showAdminDashboard)).Methods("GET")
r.HandleFunc("/reports/{id:[0-9]+}/ignore", requireLogin(reportIgnore)).Methods("POST")
r.HandleFunc("/admin/manage", requireLogin(showAdminManagerList)).Methods("GET")
r.HandleFunc("/admin/manage/bantemp", requireLogin(adminBanUser)).Methods("POST")
r.HandleFunc("/admin/manage/unbantemp", requireLogin(adminUnbanUser)).Methods("POST")
//r.HandleFunc("/admin/manage/{table}", requireLogin(showAdminManager)).Methods("GET")
//r.HandleFunc("/admin/manage/{table}/{id:[0-9]+}", requireLogin(showAdminEditor)).Methods("GET", "POST")
r.HandleFunc("/admin/settings", requireLogin(showAdminSettings)).Methods("GET", "POST")
r.HandleFunc("/admin/audit_log", requireLogin(showAdminAuditLog)).Methods("GET")
// Websocket route.
r.HandleFunc("/ws", requireLogin(handleConnections)).Methods("GET")
// Add a 404 page.
r.NotFoundHandler = useLogin(handle404)
// Serve static assets.
r.PathPrefix("/assets/").Handler(http.StripPrefix("/assets/", http.FileServer(http.Dir("assets"))))
// serve images as /images even though this can be changed
r.PathPrefix("/images/").Handler(http.StripPrefix("/images/", http.FileServer(http.Dir("images"))))
if !settings.CSRFProtectDisable {
r.Use(CSRF)
}
if settings.GzipEnabled {
r.Use(gziphandler.GzipHandler)
}
// Tell the http server to handle routing with the router we just made.
http.Handle("/", r)
// Tell the person who started this that we are starting the server.
log.Printf("listening on " + settings.Port)
// Start the server.
if settings.ListenSocket {
// remove tha socket first or else
os.Remove(settings.Port)
unixListener, err := net.Listen("unix", settings.Port)
if err != nil {
log.Fatal("cannot listen on unix socket: ", err)
}
// set socket owner but only if the value is not blank
if settings.SocketOwner != "" {
socketUser, err := osUser.Lookup(settings.SocketOwner)
if err != nil {
log.Fatal("could not look up user so that we can change the owner of the unix socket so that we can listen on it:\n", err)
}
// should probably handle errors here
uidInt, _ := strconv.Atoi(socketUser.Uid)
gidInt, _ := strconv.Atoi(socketUser.Gid)
err = os.Chown(settings.Port, uidInt, gidInt)
if err != nil {
log.Fatal("could not change socket owner", err)
}
}
err = http.Serve(unixListener, nil) // Just serve HTTP requests.
if err != nil {
log.Fatal(err)
}
} else {
if settings.SSL.Enabled && settings.Port != ":80" {
go http.ListenAndServe(":80", http.HandlerFunc(redirect)) // Redirect HTTP requests to the HTTPS site.
err = http.ListenAndServeTLS(settings.Port, settings.SSL.Certificate, settings.SSL.Key, nil)
if err != nil {
log.Fatal(err)
}
} else {
log.Fatal(http.ListenAndServe(settings.Port, nil))
}
}
}