Added gitea saver (#4491)

* added gitea saver

* create nonexistent file

core/language/en-GB/ControlPanel.multids

@@ -107,6 +107,8 @@ Saving/GitService/GitHub/Caption: ~GitHub Saver
 Saving/GitService/GitHub/Password: Password, OAUTH token, or personal access token (see [[GitHub help page|https://help.github.com/en/articles/creating-a-personal-access-token-for-the-command-line]] for details)
 Saving/GitService/GitLab/Caption: ~GitLab Saver
 Saving/GitService/GitLab/Password: Personal access token for API (see [[GitLab help page|https://docs.gitlab.com/ee/user/profile/personal_access_tokens.html]] for details)
+Saving/GitService/gitea/Caption: gitea saver
+Saving/GitService/gitea/Password: Personal access token for API (via Gitea’s web interface: `Settings | Applications | Generate New Token`)
 Saving/TiddlySpot/Advanced/Heading: Advanced Settings
 Saving/TiddlySpot/BackupDir: Backup Directory
 Saving/TiddlySpot/Backups: Backups

core/modules/savers/gitea.js

@@ -0,0 +1,136 @@
+/*\
+title: $:/core/modules/savers/gitea.js
+type: application/javascript
+module-type: saver
+
+Saves wiki by pushing a commit to the gitea
+
+\*/
+(function(){
+
+/*jslint node: true, browser: true */
+/*global $tw: false */
+"use strict";
+
+/*
+Select the appropriate saver module and set it up
+*/
+var GiteaSaver = function(wiki) {
+	this.wiki = wiki;
+};
+
+GiteaSaver.prototype.save = function(text,method,callback) {
+	var self = this,
+		username = this.wiki.getTiddlerText("$:/gitea/Username"),
+		password = $tw.utils.getPassword("gitea"),
+		repo = this.wiki.getTiddlerText("$:/gitea/Repo"),
+		path = this.wiki.getTiddlerText("$:/gitea/Path",""),
+		filename = this.wiki.getTiddlerText("$:/gitea/Filename"),
+		branch = this.wiki.getTiddlerText("$:/gitea/Branch") || "master",
+		endpoint = this.wiki.getTiddlerText("$:/gitea/ServerURL") || "https://gitea",
+		headers = {
+			"Accept": "application/json",
+			"Content-Type": "application/json;charset=UTF-8",
+			"Authorization": "Basic " + window.btoa(username + ":" + password)
+		};
+	// Bail if we don't have everything we need
+	if(!username || !password || !repo || !path || !filename) {
+		return false;
+	}
+	// Make sure the path start and ends with a slash
+	if(path.substring(0,1) !== "/") {
+		path = "/" + path;
+	}
+	if(path.substring(path.length - 1) !== "/") {
+		path = path + "/";
+	}
+	// Compose the base URI
+	var uri = endpoint + "/repos/" + repo + "/contents" + path;
+	// Perform a get request to get the details (inc shas) of files in the same path as our file
+	$tw.utils.httpRequest({
+		url: uri,
+		type: "GET",
+		headers: headers,
+		data: {
+			ref: branch
+		},
+		callback: function(err,getResponseDataJson,xhr) {
+			var getResponseData,sha = "";
+			if(err && xhr.status !== 404) {
+				return callback(err);
+			}
+			var use_put = true;
+			if(xhr.status !== 404) {
+				getResponseData = JSON.parse(getResponseDataJson);
+				$tw.utils.each(getResponseData,function(details) {
+					if(details.name === filename) {
+						sha = details.sha;
+					}
+				});
+				if(sha === ""){
+					use_put = false;
+				}
+			}
+			var data = {
+				message: $tw.language.getRawString("ControlPanel/Saving/GitService/CommitMessage"),
+				content: $tw.utils.base64Encode(text),
+				sha: sha
+			};
+			$tw.utils.httpRequest({
+				url: endpoint + "/repos/" + repo + "/branches/" + branch,
+				type: "GET",
+				headers: headers,
+				callback: function(err,getResponseDataJson,xhr) {
+					if(xhr.status === 404) {
+						callback("Please ensure the branch in the gitea repo exists");
+					}else{
+						data["branch"] = branch;
+						self.upload(uri + filename, use_put?"PUT":"POST", headers, data, callback);
+					}
+				}
+			});
+		}
+	});
+	return true;
+};
+
+GiteaSaver.prototype.upload = function(uri,method,headers,data,callback) {
+	$tw.utils.httpRequest({
+		url: uri,
+		type: method,
+		headers: headers,
+		data: JSON.stringify(data),
+		callback: function(err,putResponseDataJson,xhr) {
+			if(err) {
+				return callback(err);
+			}
+			var putResponseData = JSON.parse(putResponseDataJson);
+			callback(null);
+		}
+	});
+};
+
+/*
+Information about this saver
+*/
+GiteaSaver.prototype.info = {
+	name: "gitea",
+	priority: 2000,
+	capabilities: ["save", "autosave"]
+};
+
+/*
+Static method that returns true if this saver is capable of working
+*/
+exports.canSave = function(wiki) {
+	return true;
+};
+
+/*
+Create an instance of this saver
+*/
+exports.create = function(wiki) {
+	return new GiteaSaver(wiki);
+};
+
+})();

core/ui/ControlPanel/Saving/gitea.tid

@@ -0,0 +1,16 @@
+title: $:/core/ui/ControlPanel/Saving/gitea
+tags: $:/tags/ControlPanel/Saving
+caption: {{$:/language/ControlPanel/Saving/GitService/gitea/Caption}}
+
+\define lingo-base() $:/language/ControlPanel/Saving/GitService/
+\define service-name() ~gitea
+
+<<lingo Description>>
+
+|<<lingo UserName>> |<$edit-text tiddler="$:/gitea/Username" default="" tag="input"/> |
+|<<lingo gitea/Password>> |<$password name="gitea"/> |
+|<<lingo Repo>> |<$edit-text tiddler="$:/gitea/Repo" default="" tag="input"/> |
+|<<lingo Branch>> |<$edit-text tiddler="$:/gitea/Branch" default="master" tag="input"/> |
+|<<lingo Path>> |<$edit-text tiddler="$:/gitea/Path" default="" tag="input"/> |
+|<<lingo Filename>> |<$edit-text tiddler="$:/gitea/Filename" default="" tag="input"/> |
+|<<lingo ServerURL>> |<$edit-text tiddler="$:/gitea/ServerURL" default="https://gitea/api/v1" tag="input"/> |