1 /*
2  * SkypeWeb Plugin for libpurple/Pidgin
3  * Copyright (c) 2014-2020 Eion Robb
4  *
5  * This program is free software: you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation, either version 3 of the License, or
8  * (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
17  */
18 
19 #include "skypeweb_login.h"
20 #include "skypeweb_util.h"
21 
22 
23 static void
skypeweb_login_did_auth(PurpleHttpConnection * http_conn,PurpleHttpResponse * response,gpointer user_data)24 skypeweb_login_did_auth(PurpleHttpConnection *http_conn, PurpleHttpResponse *response, gpointer user_data)
25 {
26 	gchar *refresh_token = NULL;
27 	SkypeWebAccount *sa = user_data;
28 	const gchar *data;
29 	gsize len;
30 
31 	data = purple_http_response_get_data(response, &len);
32 
33 	if (data != NULL) {
34 		refresh_token = skypeweb_string_get_chunk(data, len, "=\"skypetoken\" value=\"", "\"");
35 	} else {
36 		purple_connection_error(sa->pc,
37 								PURPLE_CONNECTION_ERROR_NETWORK_ERROR,
38 								_("Failed getting Skype Token, please try logging in via browser first"));
39 		return;
40 	}
41 
42 	if (refresh_token == NULL) {
43 		purple_account_set_string(sa->account, "refresh-token", NULL);
44 		if (g_strstr_len(data, len, "recaptcha_response_field")) {
45 			purple_connection_error(sa->pc,
46 									PURPLE_CONNECTION_ERROR_AUTHENTICATION_FAILED,
47 									_("Captcha required.\nTry logging into web.skype.com and try again."));
48 			return;
49 		} else {
50 			purple_debug_info("skypeweb", "login response was %s\r\n", data);
51 			purple_connection_error(sa->pc,
52 									PURPLE_CONNECTION_ERROR_AUTHENTICATION_FAILED,
53 									_("Failed getting Skype Token, please try logging in via browser first"));
54 			return;
55 		}
56 	}
57 
58 	sa->skype_token = refresh_token;
59 
60 	if (purple_account_get_remember_password(sa->account)) {
61 		purple_account_set_string(sa->account, "refresh-token", purple_http_cookie_jar_get(sa->cookie_jar, "refresh-token"));
62 	}
63 
64 	skypeweb_do_all_the_things(sa);
65 }
66 
67 static void
skypeweb_login_got_pie(PurpleHttpConnection * http_conn,PurpleHttpResponse * response,gpointer user_data)68 skypeweb_login_got_pie(PurpleHttpConnection *http_conn, PurpleHttpResponse *response, gpointer user_data)
69 {
70 	SkypeWebAccount *sa = user_data;
71 	PurpleAccount *account = sa->account;
72 	gchar *pie;
73 	gchar *etm;
74 	const gchar *login_url = "https://" SKYPEWEB_LOGIN_HOST "/login?client_id=578134&redirect_uri=https%3A%2F%2Fweb.skype.com";
75 	GString *postdata;
76 	struct timeval tv;
77 	struct timezone tz;
78 	gint tzhours, tzminutes;
79 	int tmplen;
80 	PurpleHttpRequest *request;
81 	const gchar *data;
82 	gsize len;
83 
84 	if (!purple_http_response_is_successful(response)) {
85 		purple_connection_error(sa->pc, PURPLE_CONNECTION_ERROR_NETWORK_ERROR, purple_http_response_get_error(response));
86 		return;
87 	}
88 
89 	data = purple_http_response_get_data(response, &len);
90 
91 	gettimeofday(&tv, &tz);
92 	(void) tv;
93 	tzminutes = tz.tz_minuteswest;
94 	if (tzminutes < 0) tzminutes = -tzminutes;
95 	tzhours = tzminutes / 60;
96 	tzminutes -= tzhours * 60;
97 
98 	pie = skypeweb_string_get_chunk(data, len, "=\"pie\" value=\"", "\"");
99 	if (!pie) {
100 		purple_connection_error(sa->pc, PURPLE_CONNECTION_ERROR_AUTHENTICATION_FAILED, _("Failed getting PIE value, please try logging in via browser first"));
101 		return;
102 	}
103 
104 	etm = skypeweb_string_get_chunk(data, len, "=\"etm\" value=\"", "\"");
105 	if (!etm) {
106 		purple_connection_error(sa->pc, PURPLE_CONNECTION_ERROR_AUTHENTICATION_FAILED, _("Failed getting ETM value, please try logging in via browser first"));
107 		return;
108 	}
109 
110 
111 	postdata = g_string_new("");
112 	g_string_append_printf(postdata, "username=%s&", purple_url_encode(purple_account_get_username(account)));
113 	g_string_append_printf(postdata, "password=%s&", purple_url_encode(purple_connection_get_password(sa->pc)));
114 	g_string_append_printf(postdata, "timezone_field=%c|%d|%d&", (tz.tz_minuteswest < 0 ? '+' : '-'), tzhours, tzminutes);
115 	g_string_append_printf(postdata, "pie=%s&", purple_url_encode(pie));
116 	g_string_append_printf(postdata, "etm=%s&", purple_url_encode(etm));
117 	g_string_append_printf(postdata, "js_time=%" G_GINT64_FORMAT "&", skypeweb_get_js_time());
118 	g_string_append(postdata, "client_id=578134&");
119 	g_string_append(postdata, "redirect_uri=https://web.skype.com/");
120 
121 	tmplen = postdata->len;
122 	if (postdata->len > INT_MAX) tmplen = INT_MAX;
123 
124 	request = purple_http_request_new(login_url);
125 	purple_http_request_set_method(request, "POST");
126 	purple_http_request_set_cookie_jar(request, sa->cookie_jar);
127 	purple_http_request_header_set(request, "Content-Type", "application/x-www-form-urlencoded; charset=UTF-8");
128 	purple_http_request_header_set(request, "Accept", "*/*");
129 	purple_http_request_header_set(request, "BehaviorOverride", "redirectAs404");
130 	purple_http_request_set_contents(request, postdata->str, tmplen);
131 	purple_http_request(sa->pc, request, skypeweb_login_did_auth, sa);
132 	purple_http_request_unref(request);
133 
134 	g_string_free(postdata, TRUE);
135 	g_free(pie);
136 	g_free(etm);
137 
138 	purple_connection_update_progress(sa->pc, _("Authenticating"), 2, 4);
139 }
140 
141 void
skypeweb_begin_web_login(SkypeWebAccount * sa)142 skypeweb_begin_web_login(SkypeWebAccount *sa)
143 {
144 	const gchar *login_url = "https://" SKYPEWEB_LOGIN_HOST "/login?method=skype&client_id=578134&redirect_uri=https%3A%2F%2Fweb.skype.com";
145 
146 	purple_http_get(sa->pc, skypeweb_login_got_pie, sa, login_url);
147 
148 	purple_connection_set_state(sa->pc, PURPLE_CONNECTION_CONNECTING);
149 	purple_connection_update_progress(sa->pc, _("Connecting"), 1, 4);
150 }
151 
152 static void
skypeweb_login_got_t(PurpleHttpConnection * http_conn,PurpleHttpResponse * response,gpointer user_data)153 skypeweb_login_got_t(PurpleHttpConnection *http_conn, PurpleHttpResponse *response, gpointer user_data)
154 {
155 	SkypeWebAccount *sa = user_data;
156 	const gchar *login_url = "https://" SKYPEWEB_LOGIN_HOST "/login/microsoft";
157 	PurpleHttpRequest *request;
158 	GString *postdata;
159 	gchar *magic_t_value; // T is for tasty
160 	gchar *error_code;
161 	gchar *error_text;
162 	int tmplen;
163 	const gchar *data;
164 	gsize len;
165 
166 	data = purple_http_response_get_data(response, &len);
167 
168 	// <input type="hidden" name="t" id="t" value="...">
169 	error_text = skypeweb_string_get_chunk(data, len, ",sErrTxt:'", "',Am:'");
170 	error_code = skypeweb_string_get_chunk(data, len, ",sErrorCode:'", "',Ag:");
171 	magic_t_value = skypeweb_string_get_chunk(data, len, "=\"t\" value=\"", "\"");
172 
173 	if (!magic_t_value) {
174 		//No Magic T????  Maybe it be the mighty 2fa-beast
175 
176 		if (FALSE)
177 		/*if (g_strnstr(data, len, "Set-Cookie: LOpt=0;"))*/ {
178 			//XX - Would this be better retrieved with JSON decoding the "var ServerData = {...}" code?
179 			//     <script type="text/javascript">var ServerData = {...};</script>
180 			gchar *session_state = skypeweb_string_get_chunk(data, len, ":'https://login.live.com/GetSessionState.srf?", "',");
181 			if (session_state) {
182 				//These two appear to have different object keys each request :(
183 				/*
184 				gchar *PPFT = skypeweb_string_get_chunk(data, len, ",sFT:'", "',");
185 				gchar *SLK = skypeweb_string_get_chunk(data, len, ",aB:'", "',");
186 				gchar *ppauth_cookie = skypeweb_string_get_chunk(data, len, "Set-Cookie: PPAuth=", ";");
187 				gchar *mspok_cookie = skypeweb_string_get_chunk(data, len, "Set-Cookie: MSPOK=", "; domain=");
188 				*/
189 
190 				//Poll https://login.live.com/GetSessionState.srv?{session_state} to retrieve GIF(!!) of 2fa status
191 				//1x1 size GIF means pending, 2x2 rejected, 1x2 approved
192 				//Then re-request the MagicT, if approved with a slightly different GET parameters
193 				//purpose=eOTT_OneTimePassword&PPFT={ppft}&login={email}&SLK={slk}
194 				return;
195 			}
196 		}
197 
198 		if (error_text) {
199 			GString *new_error;
200 			new_error = g_string_new("");
201 			g_string_append_printf(new_error, "%s: ", error_code);
202 			g_string_append_printf(new_error, "%s", error_text);
203 
204 			gchar *error_msg = g_string_free(new_error, FALSE);
205 
206 			purple_connection_error(sa->pc, PURPLE_CONNECTION_ERROR_AUTHENTICATION_FAILED, error_msg);
207 			g_free (error_msg);
208 			return;
209 		}
210 
211 		purple_connection_error(sa->pc, PURPLE_CONNECTION_ERROR_AUTHENTICATION_FAILED, _("Failed getting Magic T value, please try logging in via browser first"));
212 
213 		return;
214 	}
215 
216 	// postdata: t=...&oauthPartner=999&client_id=578134&redirect_uri=https%3A%2F%2Fweb.skype.com
217 	postdata = g_string_new("");
218 	g_string_append_printf(postdata, "t=%s&", purple_url_encode(magic_t_value));
219 	g_string_append(postdata, "site_name=lw.skype.com&");
220 	g_string_append(postdata, "oauthPartner=999&");
221 	g_string_append(postdata, "client_id=578134&");
222 	g_string_append(postdata, "redirect_uri=https%3A%2F%2Fweb.skype.com");
223 
224 	tmplen = postdata->len;
225 	if (postdata->len > INT_MAX) tmplen = INT_MAX;
226 
227 	// post the t to https://login.skype.com/login/oauth?client_id=578134&redirect_uri=https%3A%2F%2Fweb.skype.com
228 
229 	request = purple_http_request_new(login_url);
230 	purple_http_request_set_method(request, "POST");
231 	purple_http_request_set_cookie_jar(request, sa->cookie_jar);
232 	purple_http_request_header_set(request, "Content-Type", "application/x-www-form-urlencoded; charset=UTF-8");
233 	purple_http_request_header_set(request, "Accept", "*/*");
234 	purple_http_request_header_set(request, "BehaviorOverride", "redirectAs404");
235 	purple_http_request_set_contents(request, postdata->str, tmplen);
236 	purple_http_request_set_max_redirects(request, 0);
237 	purple_http_request(sa->pc, request, skypeweb_login_did_auth, sa);
238 	purple_http_request_unref(request);
239 
240 	g_string_free(postdata, TRUE);
241 	g_free(magic_t_value);
242 
243 	purple_connection_update_progress(sa->pc, _("Verifying"), 3, 4);
244 }
245 
246 static void
skypeweb_login_got_opid(PurpleHttpConnection * http_conn,PurpleHttpResponse * response,gpointer user_data)247 skypeweb_login_got_opid(PurpleHttpConnection *http_conn, PurpleHttpResponse *response, gpointer user_data)
248 {
249 	SkypeWebAccount *sa = user_data;
250 	const gchar *live_login_url = "https://login.live.com" "/ppsecure/post.srf?wa=wsignin1.0&wp=MBI_SSL&wreply=https%3A%2F%2Flw.skype.com%2Flogin%2Foauth%2Fproxy%3Fsite_name%3Dlw.skype.com";
251 	gchar *ppft;
252 	gchar *opid;
253 	GString *postdata;
254 	PurpleHttpRequest *request;
255 	int tmplen;
256 	const gchar *data;
257 	gsize len;
258 
259 	data = purple_http_response_get_data(response, &len);
260 
261 	ppft = skypeweb_string_get_chunk(data, len, ",sFT:'", "',");
262 	if (!ppft) {
263 		purple_connection_error(sa->pc, PURPLE_CONNECTION_ERROR_AUTHENTICATION_FAILED, _("Failed getting PPFT value, please try logging in via browser first"));
264 		return;
265 	}
266 	opid = skypeweb_string_get_chunk(data, len, "&opid=", "'");
267 	if (!opid) {
268 		purple_connection_error(sa->pc, PURPLE_CONNECTION_ERROR_AUTHENTICATION_FAILED, _("Failed getting opid value, try using 'Alternate Auth Method' settings"));
269 		return;
270 	}
271 	postdata = g_string_new("");
272 	g_string_append_printf(postdata, "opid=%s&", purple_url_encode(opid));
273 	g_string_append(postdata, "site_name=lw.skype.com&");
274 	g_string_append(postdata, "oauthPartner=999&");
275 	g_string_append(postdata, "client_id=578134&");
276 	g_string_append(postdata, "redirect_uri=https%3A%2F%2Fweb.skype.com&");
277 	g_string_append_printf(postdata, "PPFT=%s&", purple_url_encode(ppft));
278 	g_string_append(postdata, "type=28&");
279 
280 	tmplen = postdata->len;
281 	if (postdata->len > INT_MAX) tmplen = INT_MAX;
282 
283 	request = purple_http_request_new(live_login_url);
284 	purple_http_request_set_method(request, "POST");
285 	purple_http_request_set_cookie_jar(request, sa->cookie_jar);
286 	purple_http_request_header_set(request, "Content-Type", "application/x-www-form-urlencoded; charset=UTF-8");
287 	purple_http_request_header_set(request, "Accept", "*/*");
288 	purple_http_request_set_contents(request, postdata->str, tmplen);
289 	purple_http_request(sa->pc, request, skypeweb_login_got_t, sa);
290 	purple_http_request_unref(request);
291 
292 	g_string_free(postdata, TRUE);
293 
294 	g_free(ppft);
295 	g_free(opid);
296 
297 	purple_connection_update_progress(sa->pc, _("Authenticating"), 2, 4);
298 }
299 
300 static void
skypeweb_login_got_ppft(PurpleHttpConnection * http_conn,PurpleHttpResponse * response,gpointer user_data)301 skypeweb_login_got_ppft(PurpleHttpConnection *http_conn, PurpleHttpResponse *response, gpointer user_data)
302 {
303 	SkypeWebAccount *sa = user_data;
304 	const gchar *live_login_url = "https://login.live.com" "/ppsecure/post.srf?wa=wsignin1.0&wp=MBI_SSL&wreply=https%3A%2F%2Flw.skype.com%2Flogin%2Foauth%2Fproxy%3Fsite_name%3Dlw.skype.com";
305 	gchar *cktst_cookie;
306 	gchar *ppft;
307 	GString *postdata;
308 	PurpleHttpRequest *request;
309 	int tmplen;
310 	const gchar *data;
311 	gsize len;
312 
313 	data = purple_http_response_get_data(response, &len);
314 
315 	// <input type="hidden" name="PPFT" id="i0327" value="..."/>
316 	ppft = skypeweb_string_get_chunk(data, len, "name=\"PPFT\" id=\"i0327\" value=\"", "\"");
317 	if (!ppft) {
318 		purple_connection_error(sa->pc, PURPLE_CONNECTION_ERROR_AUTHENTICATION_FAILED, _("Failed getting PPFT value, please try logging in via browser first"));
319 		return;
320 	}
321 	// CkTst=G + timestamp   e.g. G1422309314913
322 	cktst_cookie = g_strdup_printf("G%" G_GINT64_FORMAT, skypeweb_get_js_time());
323 	purple_http_cookie_jar_set(sa->cookie_jar, "CkTst", cktst_cookie);
324 
325 	// postdata: login={username}&passwd={password}&PPFT={ppft value}
326 	postdata = g_string_new("");
327 	g_string_append_printf(postdata, "login=%s&", purple_url_encode(purple_account_get_username(sa->account)));
328 	g_string_append_printf(postdata, "passwd=%s&", purple_url_encode(purple_connection_get_password(sa->pc)));
329 	g_string_append_printf(postdata, "PPFT=%s&", purple_url_encode(ppft));
330 	g_string_append(postdata, "loginoptions=3&");
331 
332 	tmplen = postdata->len;
333 	if (postdata->len > INT_MAX) tmplen = INT_MAX;
334 
335 	// POST to https://login.live.com/ppsecure/post.srf?wa=wsignin1.0&wreply=https%3A%2F%2Fsecure.skype.com%2Flogin%2Foauth%2Fproxy%3Fclient_id%3D578134%26redirect_uri%3Dhttps%253A%252F%252Fweb.skype.com
336 
337 	request = purple_http_request_new(live_login_url);
338 	purple_http_request_set_method(request, "POST");
339 	purple_http_request_set_cookie_jar(request, sa->cookie_jar);
340 	purple_http_request_header_set(request, "Content-Type", "application/x-www-form-urlencoded; charset=UTF-8");
341 	purple_http_request_header_set(request, "Accept", "*/*");
342 	purple_http_request_set_contents(request, postdata->str, tmplen);
343 	purple_http_request(sa->pc, request, skypeweb_login_got_opid, sa);
344 	purple_http_request_unref(request);
345 
346 	g_string_free(postdata, TRUE);
347 
348 	g_free(cktst_cookie);
349 	g_free(ppft);
350 
351 	purple_connection_update_progress(sa->pc, _("Authenticating"), 2, 4);
352 }
353 
354 void
skypeweb_begin_oauth_login(SkypeWebAccount * sa)355 skypeweb_begin_oauth_login(SkypeWebAccount *sa)
356 {
357 	const gchar *login_url = "https://" SKYPEWEB_LOGIN_HOST "/login/oauth/microsoft?client_id=578134&redirect_uri=https%3A%2F%2Fweb.skype.com";
358 	PurpleHttpRequest *request;
359 
360 	request = purple_http_request_new(login_url);
361 	purple_http_request_set_cookie_jar(request, sa->cookie_jar);
362 	purple_http_request(sa->pc, request, skypeweb_login_got_ppft, sa);
363 	purple_http_request_unref(request);
364 
365 	purple_connection_set_state(sa->pc, PURPLE_CONNECTION_CONNECTING);
366 	purple_connection_update_progress(sa->pc, _("Connecting"), 1, 4);
367 }
368 
369 void
skypeweb_logout(SkypeWebAccount * sa)370 skypeweb_logout(SkypeWebAccount *sa)
371 {
372 	skypeweb_post_or_get(sa, SKYPEWEB_METHOD_GET | SKYPEWEB_METHOD_SSL, SKYPEWEB_LOGIN_HOST, "/logout", NULL, NULL, NULL, TRUE);
373 }
374 
375 
376 
377 void
skypeweb_refresh_token_login(SkypeWebAccount * sa)378 skypeweb_refresh_token_login(SkypeWebAccount *sa)
379 {
380 	PurpleAccount *account = sa->account;
381 	const gchar *login_url = "https://" SKYPEWEB_LOGIN_HOST "/login?client_id=578134&redirect_uri=https%3A%2F%2Fweb.skype.com";
382 	PurpleHttpRequest *request;
383 
384 	request = purple_http_request_new(login_url);
385 	purple_http_request_set_method(request, "GET");
386 	purple_http_request_set_keepalive_pool(request, sa->keepalive_pool);
387 	purple_http_request_header_set(request, "Accept", "*/*");
388 	purple_http_request_header_set(request, "BehaviorOverride", "redirectAs404");
389 	purple_http_request_header_set_printf(request, "Cookie", "refresh-token=%s", purple_account_get_string(account, "refresh-token", ""));
390 	purple_http_request(sa->pc, request, skypeweb_login_did_auth, sa);
391 	purple_http_request_unref(request);
392 
393 	purple_connection_update_progress(sa->pc, _("Authenticating"), 2, 4);
394 }
395 
396 
397 static void
skypeweb_login_did_got_api_skypetoken(PurpleHttpConnection * http_conn,PurpleHttpResponse * response,gpointer user_data)398 skypeweb_login_did_got_api_skypetoken(PurpleHttpConnection *http_conn, PurpleHttpResponse *response, gpointer user_data)
399 {
400 	SkypeWebAccount *sa = user_data;
401 	const gchar *data;
402 	gsize len;
403 	JsonParser *parser = NULL;
404 	JsonNode *node;
405 	JsonObject *obj;
406 	gchar *error = NULL;
407 	PurpleConnectionError error_type = PURPLE_CONNECTION_ERROR_NETWORK_ERROR;
408 
409 	data = purple_http_response_get_data(response, &len);
410 
411 	purple_debug_misc("skypeweb", "Full skypetoken response: %s\n", data);
412 
413 	parser = json_parser_new();
414 	if (!json_parser_load_from_data(parser, data, len, NULL)) {
415 		goto fail;
416 	}
417 
418 	node = json_parser_get_root(parser);
419 	if (node == NULL || json_node_get_node_type(node) != JSON_NODE_OBJECT) {
420 		goto fail;
421 	}
422 	obj = json_node_get_object(node);
423 
424 	if (!json_object_has_member(obj, "skypetoken")) {
425 		JsonObject *status = json_object_get_object_member(obj, "status");
426 		if (status) {
427 			//{"status":{"code":40120,"text":"Authentication failed. Bad username or password."}}
428 			error = g_strdup_printf(_("Login error: %s (code %" G_GINT64_FORMAT ")"),
429 				json_object_get_string_member(status, "text"),
430 				json_object_get_int_member(status, "code")
431 			);
432 			error_type = PURPLE_CONNECTION_ERROR_AUTHENTICATION_FAILED;
433 		}
434 		goto fail;
435 	}
436 
437 	sa->skype_token = g_strdup(json_object_get_string_member(obj, "skypetoken"));
438 
439 	skypeweb_do_all_the_things(sa);
440 
441 	g_object_unref(parser);
442 	return;
443 fail:
444 	if (parser) {
445 		g_object_unref(parser);
446 	}
447 
448 	purple_connection_error(sa->pc, error_type,
449 		error ? error : _("Failed getting Skype Token (alt)"));
450 
451 	g_free(error);
452 }
453 
454 static void
skypeweb_login_get_api_skypetoken(SkypeWebAccount * sa,const gchar * url,const gchar * username,const gchar * password)455 skypeweb_login_get_api_skypetoken(SkypeWebAccount *sa, const gchar *url, const gchar *username, const gchar *password)
456 {
457 	PurpleHttpRequest *request;
458 	JsonObject *obj;
459 	gchar *postdata;
460 
461 	obj = json_object_new();
462 
463 	if (username) {
464 		json_object_set_string_member(obj, "username", username);
465 		json_object_set_string_member(obj, "passwordHash", password);
466 	} else {
467 		json_object_set_int_member(obj, "partner", 999);
468 		json_object_set_string_member(obj, "access_token", password);
469 	}
470 	json_object_set_string_member(obj, "scopes", "client");
471 	postdata = skypeweb_jsonobj_to_string(obj);
472 
473 	request = purple_http_request_new(url);
474 	purple_http_request_set_method(request, "POST");
475 	purple_http_request_set_contents(request, postdata, -1);
476 	purple_http_request_header_set(request, "Accept", "application/json; ver=1.0");
477 	purple_http_request_header_set(request, "Content-Type", "application/json");
478 	purple_http_request(sa->pc, request, skypeweb_login_did_got_api_skypetoken, sa);
479 	purple_http_request_unref(request);
480 
481 	g_free(postdata);
482 	json_object_unref(obj);
483 }
484 
485 static void
skypeweb_login_soap_got_token(SkypeWebAccount * sa,gchar * token)486 skypeweb_login_soap_got_token(SkypeWebAccount *sa, gchar *token)
487 {
488 	const gchar *login_url = "https://edge.skype.com/rps/v1/rps/skypetoken";
489 
490 	skypeweb_login_get_api_skypetoken(sa, login_url, NULL, token);
491 }
492 
493 static void
skypeweb_login_did_soap(PurpleHttpConnection * http_conn,PurpleHttpResponse * response,gpointer user_data)494 skypeweb_login_did_soap(PurpleHttpConnection *http_conn, PurpleHttpResponse *response, gpointer user_data)
495 {
496 	SkypeWebAccount *sa = user_data;
497 	const gchar *data;
498 	gsize len;
499 	PurpleXmlNode *envelope, *main_node, *node, *fault;
500 	gchar *token;
501 	const char *error = NULL;
502 
503 	data = purple_http_response_get_data(response, &len);
504 	envelope = purple_xmlnode_from_str(data, len);
505 
506 	if (!data) {
507 		error = _("Error parsing SOAP response");
508 		goto fail;
509 	}
510 
511 	main_node = purple_xmlnode_get_child(envelope, "Body/RequestSecurityTokenResponseCollection/RequestSecurityTokenResponse");
512 
513 	if ((fault = purple_xmlnode_get_child(envelope, "Fault")) ||
514 	    (main_node && (fault = purple_xmlnode_get_child(main_node, "Fault")))) {
515 		gchar *code, *string, *error_;
516 
517 		code = purple_xmlnode_get_data(purple_xmlnode_get_child(fault, "faultcode"));
518 		string = purple_xmlnode_get_data(purple_xmlnode_get_child(fault, "faultstring"));
519 
520 		if (purple_strequal(code, "wsse:FailedAuthentication")) {
521 			error_ = g_strdup_printf(_("Login error: Bad username or password (%s)"), string);
522 		} else {
523 			error_ = g_strdup_printf(_("Login error: %s - %s"), code, string);
524 		}
525 
526 		purple_connection_error(sa->pc, PURPLE_CONNECTION_ERROR_AUTHENTICATION_FAILED, error_);
527 
528 		g_free(code);
529 		g_free(string);
530 		g_free(error_);
531 		goto fail;
532 	}
533 
534 	node = purple_xmlnode_get_child(main_node, "RequestedSecurityToken/BinarySecurityToken");
535 
536 	if (!node) {
537 		error = _("Error getting BinarySecurityToken");
538 		goto fail;
539 	}
540 
541 	token = purple_xmlnode_get_data(node);
542 	skypeweb_login_soap_got_token(sa, token);
543 	g_free(token);
544 
545 fail:
546 	if (error) {
547 		purple_connection_error(sa->pc, PURPLE_CONNECTION_ERROR_NETWORK_ERROR, error);
548 	}
549 	purple_xmlnode_free(envelope);
550 	return;
551 }
552 
553 #define SIMPLE_OBJECT_ACCESS_PROTOCOL \
554 "<Envelope xmlns='http://schemas.xmlsoap.org/soap/envelope/'\n" \
555 "   xmlns:wsse='http://schemas.xmlsoap.org/ws/2003/06/secext'\n" \
556 "   xmlns:wsp='http://schemas.xmlsoap.org/ws/2002/12/policy'\n" \
557 "   xmlns:wsa='http://schemas.xmlsoap.org/ws/2004/03/addressing'\n" \
558 "   xmlns:wst='http://schemas.xmlsoap.org/ws/2004/04/trust'\n" \
559 "   xmlns:ps='http://schemas.microsoft.com/Passport/SoapServices/PPCRL'>\n" \
560 "   <Header>\n" \
561 "       <wsse:Security>\n" \
562 "           <wsse:UsernameToken Id='user'>\n" \
563 "               <wsse:Username>%s</wsse:Username>\n" \
564 "               <wsse:Password>%s</wsse:Password>\n" \
565 "           </wsse:UsernameToken>\n" \
566 "       </wsse:Security>\n" \
567 "   </Header>\n" \
568 "   <Body>\n" \
569 "       <ps:RequestMultipleSecurityTokens Id='RSTS'>\n" \
570 "           <wst:RequestSecurityToken Id='RST0'>\n" \
571 "               <wst:RequestType>http://schemas.xmlsoap.org/ws/2004/04/security/trust/Issue</wst:RequestType>\n" \
572 "               <wsp:AppliesTo>\n" \
573 "                   <wsa:EndpointReference>\n" \
574 "                       <wsa:Address>wl.skype.com</wsa:Address>\n" \
575 "                   </wsa:EndpointReference>\n" \
576 "               </wsp:AppliesTo>\n" \
577 "               <wsse:PolicyReference URI='MBI_SSL'></wsse:PolicyReference>\n" \
578 "           </wst:RequestSecurityToken>\n" \
579 "       </ps:RequestMultipleSecurityTokens>\n" \
580 "   </Body>\n" \
581 "</Envelope>" \
582 
583 void
skypeweb_begin_soapy_login(SkypeWebAccount * sa)584 skypeweb_begin_soapy_login(SkypeWebAccount *sa)
585 {
586 	PurpleAccount *account = sa->account;
587 	const gchar *login_url = "https://login.live.com/RST.srf";
588 	const gchar *template = SIMPLE_OBJECT_ACCESS_PROTOCOL;
589 	gchar *postdata;
590 	PurpleHttpRequest *request;
591 
592 	postdata = g_markup_printf_escaped(template,
593 		purple_account_get_username(account),
594 		purple_connection_get_password(sa->pc)
595 	);
596 
597 	request = purple_http_request_new(login_url);
598 	purple_http_request_set_method(request, "POST");
599 	purple_http_request_set_contents(request, postdata, -1);
600 	purple_http_request_header_set(request, "Accept", "*/*");
601 	purple_http_request_header_set(request, "Content-Type", "text/xml; charset=UTF-8");
602 	purple_http_request(sa->pc, request, skypeweb_login_did_soap, sa);
603 	purple_http_request_unref(request);
604 
605 	purple_connection_update_progress(sa->pc, _("Authenticating"), 2, 4);
606 
607 	g_free(postdata);
608 }
609