mirror of
https://github.com/thomiceli/opengist.git
synced 2024-12-23 13:02:39 +00:00
414 lines
11 KiB
Go
414 lines
11 KiB
Go
package web
|
|
|
|
import (
|
|
"context"
|
|
"crypto/md5"
|
|
"encoding/json"
|
|
"errors"
|
|
"fmt"
|
|
"github.com/labstack/echo/v4"
|
|
"github.com/markbates/goth"
|
|
"github.com/markbates/goth/gothic"
|
|
"github.com/markbates/goth/providers/gitea"
|
|
"github.com/markbates/goth/providers/github"
|
|
"github.com/markbates/goth/providers/gitlab"
|
|
"github.com/markbates/goth/providers/openidConnect"
|
|
"github.com/rs/zerolog/log"
|
|
"github.com/thomiceli/opengist/internal/config"
|
|
"github.com/thomiceli/opengist/internal/db"
|
|
"github.com/thomiceli/opengist/internal/utils"
|
|
"golang.org/x/text/cases"
|
|
"golang.org/x/text/language"
|
|
"gorm.io/gorm"
|
|
"io"
|
|
"net/http"
|
|
"net/url"
|
|
"strings"
|
|
)
|
|
|
|
const (
|
|
GitHubProvider = "github"
|
|
GitLabProvider = "gitlab"
|
|
GiteaProvider = "gitea"
|
|
OpenIDConnect = "openid-connect"
|
|
)
|
|
|
|
var title = cases.Title(language.English)
|
|
|
|
func register(ctx echo.Context) error {
|
|
setData(ctx, "title", tr(ctx, "auth.new-account"))
|
|
setData(ctx, "htmlTitle", "New account")
|
|
setData(ctx, "disableForm", getData(ctx, "DisableLoginForm"))
|
|
setData(ctx, "isLoginPage", false)
|
|
return html(ctx, "auth_form.html")
|
|
}
|
|
|
|
func processRegister(ctx echo.Context) error {
|
|
if getData(ctx, "DisableSignup") == true {
|
|
return errorRes(403, "Signing up is disabled", nil)
|
|
}
|
|
|
|
if getData(ctx, "DisableLoginForm") == true {
|
|
return errorRes(403, "Signing up via registration form is disabled", nil)
|
|
}
|
|
|
|
setData(ctx, "title", "New account")
|
|
setData(ctx, "htmlTitle", "New account")
|
|
|
|
sess := getSession(ctx)
|
|
|
|
dto := new(db.UserDTO)
|
|
if err := ctx.Bind(dto); err != nil {
|
|
return errorRes(400, "Cannot bind data", err)
|
|
}
|
|
|
|
if err := ctx.Validate(dto); err != nil {
|
|
addFlash(ctx, utils.ValidationMessages(&err), "error")
|
|
return html(ctx, "auth_form.html")
|
|
}
|
|
|
|
if exists, err := db.UserExists(dto.Username); err != nil || exists {
|
|
addFlash(ctx, "Username already exists", "error")
|
|
return html(ctx, "auth_form.html")
|
|
}
|
|
|
|
user := dto.ToUser()
|
|
|
|
password, err := utils.Argon2id.Hash(user.Password)
|
|
if err != nil {
|
|
return errorRes(500, "Cannot hash password", err)
|
|
}
|
|
user.Password = password
|
|
|
|
if err = user.Create(); err != nil {
|
|
return errorRes(500, "Cannot create user", err)
|
|
}
|
|
|
|
if user.ID == 1 {
|
|
if err = user.SetAdmin(); err != nil {
|
|
return errorRes(500, "Cannot set user admin", err)
|
|
}
|
|
}
|
|
|
|
sess.Values["user"] = user.ID
|
|
saveSession(sess, ctx)
|
|
|
|
return redirect(ctx, "/")
|
|
}
|
|
|
|
func login(ctx echo.Context) error {
|
|
setData(ctx, "title", tr(ctx, "auth.login"))
|
|
setData(ctx, "htmlTitle", "Login")
|
|
setData(ctx, "disableForm", getData(ctx, "DisableLoginForm"))
|
|
setData(ctx, "isLoginPage", true)
|
|
return html(ctx, "auth_form.html")
|
|
}
|
|
|
|
func processLogin(ctx echo.Context) error {
|
|
if getData(ctx, "DisableLoginForm") == true {
|
|
return errorRes(403, "Logging in via login form is disabled", nil)
|
|
}
|
|
|
|
var err error
|
|
sess := getSession(ctx)
|
|
|
|
dto := &db.UserDTO{}
|
|
if err = ctx.Bind(dto); err != nil {
|
|
return errorRes(400, "Cannot bind data", err)
|
|
}
|
|
password := dto.Password
|
|
|
|
var user *db.User
|
|
|
|
if user, err = db.GetUserByUsername(dto.Username); err != nil {
|
|
if !errors.Is(err, gorm.ErrRecordNotFound) {
|
|
return errorRes(500, "Cannot get user", err)
|
|
}
|
|
log.Warn().Msg("Invalid HTTP authentication attempt from " + ctx.RealIP())
|
|
addFlash(ctx, "Invalid credentials", "error")
|
|
return redirect(ctx, "/login")
|
|
}
|
|
|
|
if ok, err := utils.Argon2id.Verify(password, user.Password); !ok {
|
|
if err != nil {
|
|
return errorRes(500, "Cannot check for password", err)
|
|
}
|
|
log.Warn().Msg("Invalid HTTP authentication attempt from " + ctx.RealIP())
|
|
addFlash(ctx, "Invalid credentials", "error")
|
|
return redirect(ctx, "/login")
|
|
}
|
|
|
|
sess.Values["user"] = user.ID
|
|
sess.Options.MaxAge = 60 * 60 * 24 * 365 // 1 year
|
|
saveSession(sess, ctx)
|
|
deleteCsrfCookie(ctx)
|
|
|
|
return redirect(ctx, "/")
|
|
}
|
|
|
|
func oauthCallback(ctx echo.Context) error {
|
|
user, err := gothic.CompleteUserAuth(ctx.Response(), ctx.Request())
|
|
if err != nil {
|
|
return errorRes(400, "Cannot complete user auth: "+err.Error(), err)
|
|
}
|
|
|
|
currUser := getUserLogged(ctx)
|
|
if currUser != nil {
|
|
// if user is logged in, link account to user and update its avatar URL
|
|
updateUserProviderInfo(currUser, user.Provider, user)
|
|
|
|
if err = currUser.Update(); err != nil {
|
|
return errorRes(500, "Cannot update user "+title.String(user.Provider)+" id", err)
|
|
}
|
|
|
|
addFlash(ctx, "Account linked to "+title.String(user.Provider), "success")
|
|
return redirect(ctx, "/settings")
|
|
}
|
|
|
|
// if user is not in database, create it
|
|
userDB, err := db.GetUserByProvider(user.UserID, user.Provider)
|
|
if err != nil {
|
|
if getData(ctx, "DisableSignup") == true {
|
|
return errorRes(403, "Signing up is disabled", nil)
|
|
}
|
|
|
|
if !errors.Is(err, gorm.ErrRecordNotFound) {
|
|
return errorRes(500, "Cannot get user", err)
|
|
}
|
|
|
|
userDB = &db.User{
|
|
Username: user.NickName,
|
|
Email: user.Email,
|
|
MD5Hash: fmt.Sprintf("%x", md5.Sum([]byte(strings.ToLower(strings.TrimSpace(user.Email))))),
|
|
}
|
|
|
|
// set provider id and avatar URL
|
|
updateUserProviderInfo(userDB, user.Provider, user)
|
|
|
|
if err = userDB.Create(); err != nil {
|
|
if db.IsUniqueConstraintViolation(err) {
|
|
addFlash(ctx, "Username "+user.NickName+" already exists in Opengist", "error")
|
|
return redirect(ctx, "/login")
|
|
}
|
|
|
|
return errorRes(500, "Cannot create user", err)
|
|
}
|
|
|
|
if userDB.ID == 1 {
|
|
if err = userDB.SetAdmin(); err != nil {
|
|
return errorRes(500, "Cannot set user admin", err)
|
|
}
|
|
}
|
|
|
|
var resp *http.Response
|
|
switch user.Provider {
|
|
case GitHubProvider:
|
|
resp, err = http.Get("https://github.com/" + user.NickName + ".keys")
|
|
case GitLabProvider:
|
|
resp, err = http.Get(urlJoin(config.C.GitlabUrl, user.NickName+".keys"))
|
|
case GiteaProvider:
|
|
resp, err = http.Get(urlJoin(config.C.GiteaUrl, user.NickName+".keys"))
|
|
case OpenIDConnect:
|
|
err = errors.New("cannot get keys from OIDC provider")
|
|
}
|
|
|
|
if err == nil {
|
|
defer resp.Body.Close()
|
|
|
|
body, err := io.ReadAll(resp.Body)
|
|
if err != nil {
|
|
addFlash(ctx, "Could not get user keys", "error")
|
|
log.Error().Err(err).Msg("Could not get user keys")
|
|
}
|
|
|
|
keys := strings.Split(string(body), "\n")
|
|
if len(keys[len(keys)-1]) == 0 {
|
|
keys = keys[:len(keys)-1]
|
|
}
|
|
for _, key := range keys {
|
|
sshKey := db.SSHKey{
|
|
Title: "Added from " + user.Provider,
|
|
Content: key,
|
|
User: *userDB,
|
|
}
|
|
|
|
if err = sshKey.Create(); err != nil {
|
|
addFlash(ctx, "Could not create ssh key", "error")
|
|
log.Error().Err(err).Msg("Could not create ssh key")
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
sess := getSession(ctx)
|
|
sess.Values["user"] = userDB.ID
|
|
saveSession(sess, ctx)
|
|
deleteCsrfCookie(ctx)
|
|
|
|
return redirect(ctx, "/")
|
|
}
|
|
|
|
func oauth(ctx echo.Context) error {
|
|
provider := ctx.Param("provider")
|
|
|
|
httpProtocol := "http"
|
|
if ctx.Request().TLS != nil || ctx.Request().Header.Get("X-Forwarded-Proto") == "https" {
|
|
httpProtocol = "https"
|
|
}
|
|
|
|
var opengistUrl string
|
|
if config.C.ExternalUrl != "" {
|
|
opengistUrl = config.C.ExternalUrl
|
|
} else {
|
|
opengistUrl = httpProtocol + "://" + ctx.Request().Host
|
|
}
|
|
|
|
switch provider {
|
|
case GitHubProvider:
|
|
goth.UseProviders(
|
|
github.New(
|
|
config.C.GithubClientKey,
|
|
config.C.GithubSecret,
|
|
urlJoin(opengistUrl, "/oauth/github/callback"),
|
|
),
|
|
)
|
|
|
|
case GitLabProvider:
|
|
goth.UseProviders(
|
|
gitlab.NewCustomisedURL(
|
|
config.C.GitlabClientKey,
|
|
config.C.GitlabSecret,
|
|
urlJoin(opengistUrl, "/oauth/gitlab/callback"),
|
|
urlJoin(config.C.GitlabUrl, "/oauth/authorize"),
|
|
urlJoin(config.C.GitlabUrl, "/oauth/token"),
|
|
urlJoin(config.C.GitlabUrl, "/api/v4/user"),
|
|
),
|
|
)
|
|
|
|
case GiteaProvider:
|
|
goth.UseProviders(
|
|
gitea.NewCustomisedURL(
|
|
config.C.GiteaClientKey,
|
|
config.C.GiteaSecret,
|
|
urlJoin(opengistUrl, "/oauth/gitea/callback"),
|
|
urlJoin(config.C.GiteaUrl, "/login/oauth/authorize"),
|
|
urlJoin(config.C.GiteaUrl, "/login/oauth/access_token"),
|
|
urlJoin(config.C.GiteaUrl, "/api/v1/user"),
|
|
),
|
|
)
|
|
case OpenIDConnect:
|
|
oidcProvider, err := openidConnect.New(
|
|
config.C.OIDCClientKey,
|
|
config.C.OIDCSecret,
|
|
urlJoin(opengistUrl, "/oauth/openid-connect/callback"),
|
|
config.C.OIDCDiscoveryUrl,
|
|
"openid",
|
|
"email",
|
|
"profile",
|
|
)
|
|
|
|
if err != nil {
|
|
return errorRes(500, "Cannot create OIDC provider", err)
|
|
}
|
|
|
|
goth.UseProviders(oidcProvider)
|
|
}
|
|
|
|
currUser := getUserLogged(ctx)
|
|
if currUser != nil {
|
|
// Map each provider to a function that checks the relevant ID in currUser
|
|
providerIDCheckMap := map[string]func() bool{
|
|
GitHubProvider: func() bool { return currUser.GithubID != "" },
|
|
GitLabProvider: func() bool { return currUser.GitlabID != "" },
|
|
GiteaProvider: func() bool { return currUser.GiteaID != "" },
|
|
OpenIDConnect: func() bool { return currUser.OIDCID != "" },
|
|
}
|
|
|
|
// Check if the provider is valid and if the user has a linked ID
|
|
// Means that the user wants to unlink the account
|
|
if checkFunc, exists := providerIDCheckMap[provider]; exists && checkFunc() {
|
|
if err := currUser.DeleteProviderID(provider); err != nil {
|
|
return errorRes(500, "Cannot unlink account from "+title.String(provider), err)
|
|
}
|
|
|
|
addFlash(ctx, "Account unlinked from "+title.String(provider), "success")
|
|
return redirect(ctx, "/settings")
|
|
}
|
|
}
|
|
|
|
ctxValue := context.WithValue(ctx.Request().Context(), gothic.ProviderParamKey, provider)
|
|
ctx.SetRequest(ctx.Request().WithContext(ctxValue))
|
|
if provider != GitHubProvider && provider != GitLabProvider && provider != GiteaProvider && provider != OpenIDConnect {
|
|
return errorRes(400, "Unsupported provider", nil)
|
|
}
|
|
|
|
gothic.BeginAuthHandler(ctx.Response(), ctx.Request())
|
|
return nil
|
|
}
|
|
|
|
func logout(ctx echo.Context) error {
|
|
deleteSession(ctx)
|
|
deleteCsrfCookie(ctx)
|
|
return redirect(ctx, "/all")
|
|
}
|
|
|
|
func urlJoin(base string, elem ...string) string {
|
|
joined, err := url.JoinPath(base, elem...)
|
|
if err != nil {
|
|
log.Error().Err(err).Msg("Cannot join url")
|
|
}
|
|
|
|
return joined
|
|
}
|
|
|
|
func updateUserProviderInfo(userDB *db.User, provider string, user goth.User) {
|
|
userDB.AvatarURL = getAvatarUrlFromProvider(provider, user.UserID)
|
|
switch provider {
|
|
case GitHubProvider:
|
|
userDB.GithubID = user.UserID
|
|
case GitLabProvider:
|
|
userDB.GitlabID = user.UserID
|
|
case GiteaProvider:
|
|
userDB.GiteaID = user.UserID
|
|
case OpenIDConnect:
|
|
userDB.OIDCID = user.UserID
|
|
userDB.AvatarURL = user.AvatarURL
|
|
}
|
|
}
|
|
|
|
func getAvatarUrlFromProvider(provider string, identifier string) string {
|
|
switch provider {
|
|
case GitHubProvider:
|
|
return "https://avatars.githubusercontent.com/u/" + identifier + "?v=4"
|
|
case GitLabProvider:
|
|
return urlJoin(config.C.GitlabUrl, "/uploads/-/system/user/avatar/", identifier, "/avatar.png") + "?width=400"
|
|
case GiteaProvider:
|
|
resp, err := http.Get(urlJoin(config.C.GiteaUrl, "/api/v1/users/", identifier))
|
|
if err != nil {
|
|
log.Error().Err(err).Msg("Cannot get user from Gitea")
|
|
return ""
|
|
}
|
|
defer resp.Body.Close()
|
|
|
|
body, err := io.ReadAll(resp.Body)
|
|
if err != nil {
|
|
log.Error().Err(err).Msg("Cannot read Gitea response body")
|
|
return ""
|
|
}
|
|
|
|
var result map[string]interface{}
|
|
err = json.Unmarshal(body, &result)
|
|
if err != nil {
|
|
log.Error().Err(err).Msg("Cannot unmarshal Gitea response body")
|
|
return ""
|
|
}
|
|
|
|
field, ok := result["avatar_url"]
|
|
if !ok {
|
|
log.Error().Msg("Field 'avatar_url' not found in Gitea JSON response")
|
|
return ""
|
|
}
|
|
return field.(string)
|
|
}
|
|
return ""
|
|
}
|