diff --git a/onedrive.1.in b/onedrive.1.in
index 1d442135..8a6180c5 100644
--- a/onedrive.1.in
+++ b/onedrive.1.in
@@ -18,6 +18,11 @@ A complete tool to interact with OneDrive on Linux.
 .SH OPTIONS
 Without any option given, no sync is done and the program exits. 
 .TP
+\fB\-\-auth\-files\fP ARG
+Perform authorization via two files passed in as \fBARG\fP in the format \fBauthUrl:responseUrl\fP.
+The authorization URL is written to the \fBauthUrl\fP, then \fBonedrive\fP waits for
+the file \fBresponseUrl\fP to be present, and reads the response from that file.
+.TP
 \fB\-\-check\-for\-nomount\fP
 Check for the presence of .nosync in the syncdir root. If found, do not perform sync.
 .br
diff --git a/src/config.d b/src/config.d
index a01e640c..cf6709c7 100644
--- a/src/config.d
+++ b/src/config.d
@@ -151,6 +151,7 @@ final class Config
 		stringValues["remove_directory"]  = "";
 		stringValues["single_directory"]  = "";
 		stringValues["source_directory"]  = "";
+		stringValues["auth_files"]        = "";
 		boolValues["display_config"]      = false;
 		boolValues["display_sync_status"] = false;
 		boolValues["resync"]              = false;
@@ -169,6 +170,9 @@ final class Config
 				args,
 				std.getopt.config.bundling,
 				std.getopt.config.caseSensitive,
+				"auth-files",
+					"Perform authentication not via interactive dialog but via files read/writes to these files.",
+					&stringValues["auth_files"],
 				"check-for-nomount",
 					"Check for the presence of .nosync in the syncdir root. If found, do not perform sync.", 
 					&boolValues["check_nomount"],
diff --git a/src/onedrive.d b/src/onedrive.d
index 4a773528..5655e8fc 100644
--- a/src/onedrive.d
+++ b/src/onedrive.d
@@ -1,7 +1,8 @@
 import std.net.curl;
 import etc.c.curl: CurlOption;
 import std.datetime, std.exception, std.file, std.json, std.path;
-import std.stdio, std.string, std.uni, std.uri;
+import std.stdio, std.string, std.uni, std.uri, std.file;
+import std.array: split;
 import core.stdc.stdlib;
 import core.thread, std.conv, std.math;
 import progress;
@@ -161,9 +162,29 @@ final class OneDriveApi
 		import std.stdio, std.regex;
 		char[] response;
 		string url = authUrl ~ "?client_id=" ~ clientId ~ "&scope=files.readwrite%20files.readwrite.all%20offline_access&response_type=code&redirect_uri=" ~ redirectUrl;
-		log.log("Authorize this app visiting:\n");
-		write(url, "\n\n", "Enter the response uri: ");
-		readln(response);
+		string authFilesString = cfg.getValueString("auth_files");
+		if (authFilesString == "") {
+			log.log("Authorize this app visiting:\n");
+			write(url, "\n\n", "Enter the response uri: ");
+			readln(response);
+		} else {
+			string[] authFiles = authFilesString.split(":");
+			string authUrl = authFiles[0];
+			string responseUrl = authFiles[1];
+			auto authUrlFile = File(authUrl, "w");
+			authUrlFile.write(url);
+			authUrlFile.close();
+			while (!exists(responseUrl)) {
+				Thread.sleep(dur!("msecs")(100));
+			}
+			response = cast(char[]) read(responseUrl);
+			try {
+				std.file.remove(authUrl);
+				std.file.remove(responseUrl);
+			} catch (FileException e) {
+				log.error("Cannot remove files ", authUrl, " ", responseUrl);
+			}
+		}
 		// match the authorization code
 		auto c = matchFirst(response, r"(?:[\?&]code=)([\w\d-]+)");
 		if (c.empty) {