Added uploadAvatar method

components/profile.js

@@ -1,6 +1,7 @@
 var SteamCommunity = require('../index.js');
 var SteamID = require('steamid');
 var Cheerio = require('cheerio');
+var fs = require('fs');
 
 SteamCommunity.PrivacyState = {
 	"Private": 1,
@@ -211,3 +212,152 @@ SteamCommunity.prototype.profileSettings = function(settings, callback) {
 		});
 	});
 };
+
+SteamCommunity.prototype.uploadAvatar = function(image, format, callback) {
+	if(typeof format === 'function') {
+		callback = format;
+		format = null;
+	}
+
+	var self = this;
+
+	if(image instanceof Buffer) {
+		doUpload(image);
+	} else if(image.match(/^https?:\/\//)) {
+		this.request.get({
+			"uri": image,
+			"encoding": null
+		}, function(err, response, body) {
+			if(err || response.statusCode != 200) {
+				if(callback) {
+					callback(err ? new Error(err.message + " downloading image") : new Error("HTTP error " + response.statusCode + " downloading image"));
+				}
+
+				return;
+			}
+
+			if(!format) {
+				format = response.headers['content-type'];
+			}
+
+			doUpload(body);
+		})
+	} else {
+		if(!format) {
+			format = image.match(/\.([^\.]+)$/);
+			if(format) {
+				format = format[1];
+			}
+		}
+
+		fs.readFile(image, function(err, file) {
+			if(err) {
+				if(callback) {
+					callback(err);
+				}
+
+				return;
+			}
+
+			doUpload(file);
+		})
+	}
+
+	function doUpload(buffer) {
+		if(!format) {
+			if(callback) {
+				callback(new Error("Unknown image format"));
+			}
+
+			return;
+		}
+
+		if(format.match(/^image\//)) {
+			format = format.substring(6);
+		}
+
+		var filename = '';
+		var contentType = '';
+
+		switch(format.toLowerCase()) {
+			case 'jpg':
+			case 'jpeg':
+				filename = 'avatar.jpg';
+				contentType = 'image/jpeg';
+				break;
+
+			case 'png':
+				filename = 'avatar.png';
+				contentType = 'image/png';
+				break;
+
+			case 'gif':
+				filename = 'avatar.gif';
+				contentType = 'image/gif';
+				break;
+
+			default:
+				if(callback) {
+					callback(new Error("Unknown or invalid image format"));
+				}
+
+				return;
+		}
+
+		self.request.post({
+			"uri": "https://steamcommunity.com/actions/FileUploader",
+			"formData": {
+				"MAX_FILE_SIZE": buffer.length,
+				"type": "player_avatar_image",
+				"sId": self.steamID.getSteamID64(),
+				"sessionid": self.getSessionID(),
+				"doSub": 1,
+				"json": 1,
+				"avatar": {
+					"value": buffer,
+					"options": {
+						"filename": filename,
+						"contentType": contentType
+					}
+				}
+			},
+			"json": true
+		}, function(err, response, body) {
+			if(err) {
+				if(callback) {
+					callback(err);
+				}
+
+				return;
+			}
+
+			if(body && !body.success && body.message) {
+				if(callback) {
+					callback(new Error(body.message));
+				}
+
+				return;
+			}
+
+			if(response.statusCode != 200) {
+				if(callback) {
+					callback(new Error("HTTP error " + response.statusCode));
+				}
+
+				return;
+			}
+
+			if(!body || !body.success) {
+				if(callback) {
+					callback(new Error("Malformed response"));
+				}
+
+				return;
+			}
+
+			if(callback) {
+				callback(null, body.images.full);
+			}
+		});
+	}
+};