-qr should not be used with -account

DepotDownloader/Program.cs

@@ -71,18 +71,17 @@ namespace DepotDownloader
 
             if (username == null)
             {
-                if (ContentDownloader.Config.RememberPassword)
+                if (ContentDownloader.Config.RememberPassword && !ContentDownloader.Config.UseQrCode)
                 {
-                    Console.WriteLine("Error: -remember-password can not be used without -username.");
+                    Console.WriteLine("Error: -remember-password can not be used without -username or -qr.");
-                    return 1;
-                }
-
-                if (ContentDownloader.Config.UseQrCode)
-                {
-                    Console.WriteLine("Error: -qr can not be used without -username.");
                     return 1;
                 }
             }
+            else if (ContentDownloader.Config.UseQrCode)
+            {
+                Console.WriteLine("Error: -qr can not be used with -username.");
+                return 1;
+            }
 
             ContentDownloader.Config.DownloadManifestOnly = HasParameter(args, "-manifest-only");
 
@@ -511,6 +510,7 @@ namespace DepotDownloader
             Console.WriteLine("  -password <pass>         - the password of the account to login to for restricted content.");
             Console.WriteLine("  -remember-password       - if set, remember the password for subsequent logins of this user.");
             Console.WriteLine("                             use -username <username> -remember-password as login credentials.");
+            Console.WriteLine("  -qr                      - display a login QR code to be scanned with the Steam mobile app");
             Console.WriteLine();
             Console.WriteLine("  -dir <installdir>        - the directory in which to place downloaded files.");
             Console.WriteLine("  -filelist <file.txt>     - the name of a local file that contains a list of files to download (from the manifest).");

DepotDownloader/Steam3Session.cs

@@ -442,8 +442,9 @@ namespace DepotDownloader
                         try
                         {
                             _ = AccountSettingsStore.Instance.GuardData.TryGetValue(logonDetails.Username, out var guarddata);
-                            authSession = await steamClient.Authentication.BeginAuthSessionViaCredentialsAsync(new SteamKit2.Authentication.AuthSessionDetails
+                            authSession = await steamClient.Authentication.BeginAuthSessionViaCredentialsAsync(new AuthSessionDetails
                             {
+                                DeviceFriendlyName = nameof(DepotDownloader),
                                 Username = logonDetails.Username,
                                 Password = logonDetails.Password,
                                 IsPersistentSession = ContentDownloader.Config.RememberPassword,
@@ -470,8 +471,8 @@ namespace DepotDownloader
                         {
                             var session = await steamClient.Authentication.BeginAuthSessionViaQRAsync(new AuthSessionDetails
                             {
+                                DeviceFriendlyName = nameof(DepotDownloader),
                                 IsPersistentSession = ContentDownloader.Config.RememberPassword,
-                                Authenticator = new UserConsoleAuthenticator(),
                             });
 
                             authSession = session;

README.md

@@ -61,14 +61,32 @@ For example: `./DepotDownloader -app 730 -ugc 770604181014286929`
 
 ## Parameters
 
+#### Authentication
+
+Parameter               | Description
+----------------------- | -----------
+`-username <user>`		| the username of the account to login to for restricted content.
+`-password <pass>`		| the password of the account to login to for restricted content.
+`-remember-password`	| if set, remember the password for subsequent logins of this user. (Use `-username <username> -remember-password` as login credentials)
+`-qr`                   | display a login QR code to be scanned with the Steam mobile app
+`-loginid <#>`			| a unique 32-bit integer Steam LogonID in decimal, required if running multiple instances of DepotDownloader concurrently.
+
+#### Downloading
+
 Parameter               | Description
 ----------------------- | -----------
 `-app <#>`				| the AppID to download.
 `-depot <#>`			| the DepotID to download.
 `-manifest <id>`		| manifest id of content to download (requires `-depot`, default: current for branch).
 `-ugc <#>`				| the UGC ID to download.
+`-pubfile <#>`			| the PublishedFileId to download. (Will automatically resolve to UGC id)
 `-branch <branchname>`	| download from specified branch if available (default: Public).
-`-branchpassword <pass>`    | branch password if applicable.
+`-branchpassword <pass>` | branch password if applicable.
+
+#### Download configuration
+
+Parameter               | Description
+----------------------- | -----------
 `-all-platforms`		| downloads all platform-specific depots when `-app` is used.
 `-os <os>`				| the operating system for which to download the game (windows, macos or linux, default: OS the program is currently running on)
 `-osarch <arch>`		| the architecture for which to download the game (32 or 64, default: the host's architecture)
@@ -76,18 +94,18 @@ Parameter               | Description
 `-all-languages`		| download all language-specific depots when `-app` is used.
 `-language <lang>`		| the language for which to download the game (default: english)
 `-lowviolence`			| download low violence depots when `-app` is used.
-`-pubfile <#>`			| the PublishedFileId to download. (Will automatically resolve to UGC id)
-`-username <user>`		| the username of the account to login to for restricted content.
-`-password <pass>`		| the password of the account to login to for restricted content.
-`-remember-password`	| if set, remember the password for subsequent logins of this user. (Use `-username <username> -remember-password` as login credentials)
 `-dir <installdir>`     | the directory in which to place downloaded files.
 `-filelist <file.txt>`	| the name of a local file that contains a list of files to download (from the manifest). prefix file path with `regex:` if you want to match with regex. each file path should be on their own line.
 `-validate`				| include checksum verification of files already downloaded.
 `-manifest-only`		| downloads a human readable manifest for any depots that would be downloaded.
 `-cellid <#>`			| the overridden CellID of the content server to download from.
 `-max-downloads <#>`	| maximum number of chunks to download concurrently. (default: 8).
-`-loginid <#>`			| a unique 32-bit integer Steam LogonID in decimal, required if running multiple instances of DepotDownloader concurrently
 `-use-lancache`         | forces downloads over the local network via a Lancache instance.
+
+#### Other
+
+Parameter               | Description
+----------------------- | -----------
 `-debug`                | enable verbose debug logging.
 `-V` or `--version`     | print version and runtime.