xref: /haiku/src/bin/urlwrapper.cpp (revision 21258e2674226d6aa732321b6f8494841895af5f)
1 /*
2  * Copyright 2007-2010 Haiku Inc. All rights reserved.
3  * Distributed under the terms of the MIT License.
4  *
5  * Authors:
6  *		François Revol, revol@free.fr
7  *		Jonas Sundström, jonas@kirilla.com
8  *		Stephan Aßmus <superstippi@gmx.de>
9  */
10 
11 /*
12  * urlwrapper: wraps URL mime types around command line apps
13  * or other apps that don't handle them directly.
14  */
15 #define DEBUG 0
16 
17 #include <ctype.h>
18 #include <stdio.h>
19 #include <unistd.h>
20 
21 #include <fs_volume.h>
22 #include <Alert.h>
23 #include <Debug.h>
24 #include <NodeInfo.h>
25 #include <Roster.h>
26 #include <String.h>
27 #include <Url.h>
28 
29 #include "urlwrapper.h"
30 
31 
32 const char* kAppSig = "application/x-vnd.Haiku-urlwrapper";
33 const char* kTrackerSig = "application/x-vnd.Be-TRAK";
34 const char* kTerminalSig = "application/x-vnd.Haiku-Terminal";
35 const char* kBeShareSig = "application/x-vnd.Sugoi-BeShare";
36 const char* kIMSig = "application/x-vnd.m_eiman.sample_im_client";
37 const char* kVLCSig = "application/x-vnd.videolan-vlc";
38 
39 const char* kURLHandlerSigBase = "application/x-vnd.Be.URL.";
40 
41 
42 UrlWrapper::UrlWrapper() : BApplication(kAppSig)
43 {
44 }
45 
46 
47 UrlWrapper::~UrlWrapper()
48 {
49 }
50 
51 
52 status_t
53 UrlWrapper::_Warn(const char* url)
54 {
55 	BString message("An application has requested the system to open the "
56 		"following url: \n");
57 	message << "\n" << url << "\n\n";
58 	message << "This type of URL has a potential security risk.\n";
59 	message << "Proceed anyway?";
60 	BAlert* alert = new BAlert("Warning", message.String(), "Proceed", "Stop", NULL,
61 		B_WIDTH_AS_USUAL, B_WARNING_ALERT);
62 	alert->SetShortcut(1, B_ESCAPE);
63 	int32 button;
64 	button = alert->Go();
65 	if (button == 0)
66 		return B_OK;
67 
68 	return B_ERROR;
69 }
70 
71 
72 void
73 UrlWrapper::RefsReceived(BMessage* msg)
74 {
75 	char buff[B_PATH_NAME_LENGTH];
76 	int32 index = 0;
77 	entry_ref ref;
78 	char* args[] = { const_cast<char*>("urlwrapper"), buff, NULL };
79 	status_t err;
80 
81 	while (msg->FindRef("refs", index++, &ref) == B_OK) {
82 		BFile f(&ref, B_READ_ONLY);
83 		BNodeInfo ni(&f);
84 		BString mimetype;
85 		BString extension(ref.name);
86 		extension.Remove(0, extension.FindLast('.') + 1);
87 		if (f.InitCheck() == B_OK && ni.InitCheck() == B_OK) {
88 			ni.GetType(mimetype.LockBuffer(B_MIME_TYPE_LENGTH));
89 			mimetype.UnlockBuffer();
90 
91 			// Internet Explorer Shortcut
92 			if (mimetype == "text/x-url" || extension == "url") {
93 				// http://filext.com/file-extension/URL
94 				// http://www.cyanwerks.com/file-format-url.html
95 				off_t size;
96 				if (f.GetSize(&size) < B_OK)
97 					continue;
98 				BString contents;
99 				BString url;
100 				if (f.ReadAt(0LL, contents.LockBuffer(size), size) < B_OK)
101 					continue;
102 				contents.UnlockBuffer();
103 				while (contents.Length()) {
104 					BString line;
105 					int32 cr = contents.FindFirst('\n');
106 					if (cr < 0)
107 						cr = contents.Length();
108 					//contents.MoveInto(line, 0, cr);
109 					contents.CopyInto(line, 0, cr);
110 					contents.Remove(0, cr+1);
111 					line.RemoveAll("\r");
112 					if (!line.Length())
113 						continue;
114 					if (!line.ICompare("URL=", 4)) {
115 						line.MoveInto(url, 4, line.Length());
116 						break;
117 					}
118 				}
119 				if (url.Length()) {
120 					BUrl u(url.String());
121 					args[1] = (char*)u.UrlString().String();
122 					mimetype = kURLHandlerSigBase;
123 					mimetype += u.Protocol();
124 					err = be_roster->Launch(mimetype.String(), 1, args + 1);
125 					if (err != B_OK && err != B_ALREADY_RUNNING)
126 						err = be_roster->Launch(kAppSig, 1, args + 1);
127 					continue;
128 				}
129 			}
130 			if (mimetype == "text/x-webloc" || extension == "webloc") {
131 				// OSX url shortcuts
132 				// XML file + resource fork
133 				off_t size;
134 				if (f.GetSize(&size) < B_OK)
135 					continue;
136 				BString contents;
137 				BString url;
138 				char *buffer = contents.LockBuffer(size);
139 				const char bplist_match[] = "bplist00\xd1\x01\x02SURL_\x10";
140 				if (f.ReadAt(0LL, buffer, size) < B_OK)
141 					continue;
142 					printf("webloc\n");
143 				if (size > (sizeof(bplist_match) + 2)
144 					&& !strncmp(buffer, bplist_match, sizeof(bplist_match) - 1)) {
145 					// binary plist, let's be crude
146 					uint8 len = buffer[sizeof(bplist_match) - 1];
147 					url.SetTo(buffer + sizeof(bplist_match), len);
148 					*buffer = 0; // make sure we don't try to interpret as xml
149 				}
150 				contents.UnlockBuffer();
151 				int state = 0;
152 				while (contents.Length()) {
153 					BString line;
154 					int32 cr = contents.FindFirst('\n');
155 					if (cr < 0)
156 						cr = contents.Length();
157 					contents.CopyInto(line, 0, cr);
158 					contents.Remove(0, cr+1);
159 					line.RemoveAll("\r");
160 					if (!line.Length())
161 						continue;
162 					int32 s, e;
163 					switch (state) {
164 						case 0:
165 							if (!line.ICompare("<?xml", 5))
166 								state = 1;
167 							break;
168 						case 1:
169 							if (!line.ICompare("<plist", 6))
170 								state = 2;
171 							break;
172 						case 2:
173 							if (!line.ICompare("<dict>", 6))
174 								state = 3;
175 							break;
176 						case 3:
177 							if (line.IFindFirst("<key>URL</key>") > -1)
178 								state = 4;
179 							break;
180 						case 4:
181 							if ((s = line.IFindFirst("<string>")) > -1
182 								&& (e = line.IFindFirst("</string>")) > s) {
183 								state = 5;
184 								s += 8;
185 								line.MoveInto(url, s, e - s);
186 								break;
187 							} else
188 								state = 3;
189 							break;
190 						default:
191 							break;
192 					}
193 					if (state == 5) {
194 						break;
195 					}
196 				}
197 				if (url.Length()) {
198 					BUrl u(url.String());
199 					args[1] = (char*)u.UrlString().String();
200 					mimetype = kURLHandlerSigBase;
201 					mimetype += u.Protocol();
202 					err = be_roster->Launch(mimetype.String(), 1, args + 1);
203 					if (err != B_OK && err != B_ALREADY_RUNNING)
204 						err = be_roster->Launch(kAppSig, 1, args + 1);
205 					continue;
206 				}
207 			}
208 
209 			// NetPositive Bookmark or any file with a META:url attribute
210 			if (f.ReadAttr("META:url", B_STRING_TYPE, 0LL, buff,
211 				B_PATH_NAME_LENGTH) > 0) {
212 				BUrl u(buff);
213 				args[1] = (char*)u.UrlString().String();
214 				mimetype = kURLHandlerSigBase;
215 				mimetype += u.Protocol();
216 				err = be_roster->Launch(mimetype.String(), 1, args + 1);
217 				if (err != B_OK && err != B_ALREADY_RUNNING)
218 					err = be_roster->Launch(kAppSig, 1, args + 1);
219 				continue;
220 			}
221 		}
222 	}
223 }
224 
225 
226 void
227 UrlWrapper::ArgvReceived(int32 argc, char** argv)
228 {
229 	if (argc <= 1)
230 		return;
231 
232 	const char* failc = " || read -p 'Press any key'";
233 	const char* pausec = " ; read -p 'Press any key'";
234 	char* args[] = { (char *)"/bin/sh", (char *)"-c", NULL, NULL};
235 	status_t err;
236 
237 	BUrl url(argv[1]);
238 
239 	BString full = BUrl(url).SetProtocol(BString()).UrlString();
240 	BString proto = url.Protocol();
241 	BString host = url.Host();
242 	BString port = BString() << url.Port();
243 	BString user = url.UserInfo();
244 	BString pass = url.Password();
245 	BString path = url.Path();
246 
247 	if (!url.IsValid()) {
248 		fprintf(stderr, "malformed url: '%s'\n", url.UrlString().String());
249 		return;
250 	}
251 
252 	// XXX: debug
253 	PRINT(("PROTO='%s'\n", proto.String()));
254 	PRINT(("HOST='%s'\n", host.String()));
255 	PRINT(("PORT='%s'\n", port.String()));
256 	PRINT(("USER='%s'\n", user.String()));
257 	PRINT(("PASS='%s'\n", pass.String()));
258 	PRINT(("PATH='%s'\n", path.String()));
259 
260 	if (proto == "about") {
261 		app_info info;
262 		BString sig;
263 		// BUrl could get an accessor for the full - proto part...
264 		sig = host << "/" << path;
265 		BMessage msg(B_ABOUT_REQUESTED);
266 		if (be_roster->GetAppInfo(sig.String(), &info) == B_OK) {
267 			BMessenger msgr(sig.String());
268 			msgr.SendMessage(&msg);
269 			return;
270 		}
271 		if (be_roster->Launch(sig.String(), &msg) == B_OK)
272 			return;
273 		be_roster->Launch("application/x-vnd.Haiku-About");
274 		return;
275 	}
276 
277 	if (proto == "telnet") {
278 		BString cmd("telnet ");
279 		if (url.HasUserInfo())
280 			cmd << "-l " << user << " ";
281 		cmd << host;
282 		if (url.HasPort())
283 			cmd << " " << port;
284 		PRINT(("CMD='%s'\n", cmd.String()));
285 		cmd << failc;
286 		args[2] = (char*)cmd.String();
287 		be_roster->Launch(kTerminalSig, 3, args);
288 		return;
289 	}
290 
291 	// see draft:
292 	// http://tools.ietf.org/wg/secsh/draft-ietf-secsh-scp-sftp-ssh-uri/
293 	if (proto == "ssh") {
294 		BString cmd("ssh ");
295 
296 		if (url.HasUserInfo())
297 			cmd << "-l " << user << " ";
298 		if (url.HasPort())
299 			cmd << "-oPort=" << port << " ";
300 		cmd << host;
301 		PRINT(("CMD='%s'\n", cmd.String()));
302 		cmd << failc;
303 		args[2] = (char*)cmd.String();
304 		be_roster->Launch(kTerminalSig, 3, args);
305 		// TODO: handle errors
306 		return;
307 	}
308 
309 	if (proto == "ftp") {
310 		BString cmd("ftp ");
311 
312 		cmd << proto << "://";
313 		/*
314 		if (user.Length())
315 			cmd << "-l " << user << " ";
316 		cmd << host;
317 		*/
318 		cmd << full;
319 		PRINT(("CMD='%s'\n", cmd.String()));
320 		cmd << failc;
321 		args[2] = (char*)cmd.String();
322 		be_roster->Launch(kTerminalSig, 3, args);
323 		// TODO: handle errors
324 		return;
325 	}
326 
327 	if (proto == "sftp") {
328 		BString cmd("sftp ");
329 
330 		//cmd << url;
331 		if (url.HasPort())
332 			cmd << "-oPort=" << port << " ";
333 		if (url.HasUserInfo())
334 			cmd << user << "@";
335 		cmd << host;
336 		if (url.HasPath())
337 			cmd << ":" << path;
338 		PRINT(("CMD='%s'\n", cmd.String()));
339 		cmd << failc;
340 		args[2] = (char*)cmd.String();
341 		be_roster->Launch(kTerminalSig, 3, args);
342 		// TODO: handle errors
343 		return;
344 	}
345 
346 	if (proto == "finger") {
347 		BString cmd("/bin/finger ");
348 
349 		if (url.HasUserInfo())
350 			cmd << user;
351 		if (url.HasHost() == 0)
352 			host = "127.0.0.1";
353 		cmd << "@" << host;
354 		PRINT(("CMD='%s'\n", cmd.String()));
355 		cmd << pausec;
356 		args[2] = (char*)cmd.String();
357 		be_roster->Launch(kTerminalSig, 3, args);
358 		// TODO: handle errors
359 		return;
360 	}
361 
362 	if (proto == "http" || proto == "https" /*|| proto == "ftp"*/) {
363 		BString cmd("/bin/wget ");
364 
365 		//cmd << url;
366 		cmd << proto << "://";
367 		if (url.HasUserInfo())
368 			cmd << user << "@";
369 		cmd << full;
370 		PRINT(("CMD='%s'\n", cmd.String()));
371 		cmd << pausec;
372 		args[2] = (char*)cmd.String();
373 		be_roster->Launch(kTerminalSig, 3, args);
374 		// TODO: handle errors
375 		return;
376 	}
377 
378 	if (proto == "file") {
379 		BMessage m(B_REFS_RECEIVED);
380 		entry_ref ref;
381 		_DecodeUrlString(path);
382 		if (get_ref_for_path(path.String(), &ref) < B_OK)
383 			return;
384 		m.AddRef("refs", &ref);
385 		be_roster->Launch(kTrackerSig, &m);
386 		return;
387 	}
388 
389 	// XXX:TODO: split options
390 	if (proto == "query") {
391 		// mktemp ?
392 		BString qname("/tmp/query-url-temp-");
393 		qname << getpid() << "-" << system_time();
394 		BFile query(qname.String(), O_CREAT|O_EXCL);
395 		// XXX: should check for failure
396 
397 		BString s;
398 		int32 v;
399 
400 		_DecodeUrlString(full);
401 		// TODO: handle options (list of attrs in the column, ...)
402 
403 		v = 'qybF'; // QuerY By Formula XXX: any #define for that ?
404 		query.WriteAttr("_trk/qryinitmode", B_INT32_TYPE, 0LL, &v, sizeof(v));
405 		s = "TextControl";
406 		query.WriteAttr("_trk/focusedView", B_STRING_TYPE, 0LL, s.String(),
407 			s.Length()+1);
408 		s = full;
409 		PRINT(("QUERY='%s'\n", s.String()));
410 		query.WriteAttr("_trk/qryinitstr", B_STRING_TYPE, 0LL, s.String(),
411 			s.Length()+1);
412 		query.WriteAttr("_trk/qrystr", B_STRING_TYPE, 0LL, s.String(),
413 			s.Length()+1);
414 		s = "application/x-vnd.Be-query";
415 		query.WriteAttr("BEOS:TYPE", 'MIMS', 0LL, s.String(), s.Length()+1);
416 
417 
418 		BEntry e(qname.String());
419 		entry_ref er;
420 		if (e.GetRef(&er) >= B_OK)
421 			be_roster->Launch(&er);
422 		return;
423 	}
424 
425 	if (proto == "sh") {
426 		BString cmd(full);
427 		if (_Warn(url.UrlString()) != B_OK)
428 			return;
429 		PRINT(("CMD='%s'\n", cmd.String()));
430 		cmd << pausec;
431 		args[2] = (char*)cmd.String();
432 		be_roster->Launch(kTerminalSig, 3, args);
433 		// TODO: handle errors
434 		return;
435 	}
436 
437 	if (proto == "beshare") {
438 		team_id team;
439 		BMessenger msgr(kBeShareSig);
440 		// if no instance is running, or we want a specific server, start it.
441 		if (!msgr.IsValid() || url.HasHost()) {
442 			be_roster->Launch(kBeShareSig, (BMessage*)NULL, &team);
443 			msgr = BMessenger(NULL, team);
444 		}
445 		if (url.HasHost()) {
446 			BMessage mserver('serv');
447 			mserver.AddString("server", host);
448 			msgr.SendMessage(&mserver);
449 
450 		}
451 		if (url.HasPath()) {
452 			BMessage mquery('quer');
453 			mquery.AddString("query", path);
454 			msgr.SendMessage(&mquery);
455 		}
456 		// TODO: handle errors
457 		return;
458 	}
459 
460 	if (proto == "icq" || proto == "msn") {
461 		// TODO
462 		team_id team;
463 		be_roster->Launch(kIMSig, (BMessage*)NULL, &team);
464 		BMessenger msgr(NULL, team);
465 		if (url.HasHost()) {
466 			BMessage mserver(B_REFS_RECEIVED);
467 			mserver.AddString("server", host);
468 			msgr.SendMessage(&mserver);
469 
470 		}
471 		// TODO: handle errors
472 		return;
473 	}
474 
475 	if (proto == "mms" || proto == "rtp" || proto == "rtsp") {
476 		args[0] = (char*)url.UrlString().String();
477 		be_roster->Launch(kVLCSig, 1, args);
478 		return;
479 	}
480 
481 	if (proto == "nfs") {
482 		BString parameter(host);
483 		_DecodeUrlString(path);
484 		if (url.HasPort())
485 			parameter << ":" << port;
486 		//XXX: should not always be absolute! FIXME
487 		parameter << ":/" << path;
488 		BString prettyPath(path);
489 		prettyPath.Remove(0, prettyPath.FindLast("/") + 1);
490 		if (path == "" || path == "/")
491 			prettyPath = "root";
492 		prettyPath << " on " << host;
493 		prettyPath.Prepend("/");
494 		if (mkdir(prettyPath.String(), 0755) < 0) {
495 			perror("mkdir");
496 			return;
497 		}
498 		dev_t volume;
499 		uint32 flags = 0;
500 		fprintf(stderr, "parms:'%s'\n", parameter.String());
501 		volume = fs_mount_volume(prettyPath.String(), NULL, "nfs4", flags,
502 			parameter.String());
503 		if (volume < B_OK) {
504 			fprintf(stderr, "fs_mount_volume: %s\n", strerror(volume));
505 			return;
506 		}
507 
508 		BMessage m(B_REFS_RECEIVED);
509 		entry_ref ref;
510 		if (get_ref_for_path(prettyPath.String(), &ref) < B_OK)
511 			return;
512 		m.AddRef("refs", &ref);
513 		be_roster->Launch(kTrackerSig, &m);
514 		return;
515 	}
516 
517 	if (proto == "doi") {
518 		BString url("http://dx.doi.org/");
519 		BString mimetype;
520 
521 		url << full;
522 		BUrl u(url.String());
523 		args[0] = const_cast<char*>("urlwrapper"); //XXX
524 		args[1] = (char*)u.UrlString().String();
525 		args[2] = NULL;
526 		mimetype = kURLHandlerSigBase;
527 		mimetype += u.Protocol();
528 
529 		err = be_roster->Launch(mimetype.String(), 1, args + 1);
530 		if (err != B_OK && err != B_ALREADY_RUNNING)
531 			err = be_roster->Launch(kAppSig, 1, args + 1);
532 		// TODO: handle errors
533 		return;
534 	}
535 
536 	/*
537 
538 	More ?
539 	cf. http://en.wikipedia.org/wiki/URI_scheme
540 	cf. http://www.iana.org/assignments/uri-schemes.html
541 
542 	Audio: (SoundPlay specific, identical to http:// to a shoutcast server)
543 
544 	vnc: ?
545 	irc: ?
546 	im: http://tools.ietf.org/html/rfc3860
547 
548 	svn: handled by checkitout
549 	cvs: handled by checkitout
550 	git: handled by checkitout
551 	rsync: handled by checkitout - http://tools.ietf.org/html/rfc5781
552 
553 	smb: cifsmount ?
554 	nfs: mount_nfs ? http://tools.ietf.org/html/rfc2224
555 	ipp: http://tools.ietf.org/html/rfc3510
556 
557 	mailto: ? Mail & Beam both handle it already (not fully though).
558 	imap: to describe mail accounts ? http://tools.ietf.org/html/rfc5092
559 	pop: http://tools.ietf.org/html/rfc2384
560 	mid: cid: as per RFC 2392
561 	http://www.rfc-editor.org/rfc/rfc2392.txt query MAIL:cid
562 	message:<MID> http://daringfireball.net/2007/12/message_urls_leopard_mail
563 
564 	itps: pcast: podcast: s//http/ + parse xml to get url to mp3 stream...
565 	audio: s//http:/ + default MediaPlayer
566 	-- see http://forums.winamp.com/showthread.php?threadid=233130
567 
568 	gps: ? I should submit an RFC for that one :)
569 
570 	webcal: (is http: to .ics file)
571 
572 	data: (but it's dangerous)
573 
574 	*/
575 
576 
577 }
578 
579 
580 status_t
581 UrlWrapper::_DecodeUrlString(BString& string)
582 {
583 	// TODO: check for %00 and bail out!
584 	int32 length = string.Length();
585 	int i;
586 	for (i = 0; string[i] && i < length - 2; i++) {
587 		if (string[i] == '%' && isxdigit(string[i+1])
588 			&& isxdigit(string[i+2])) {
589 			int c;
590 			sscanf(string.String() + i + 1, "%02x", &c);
591 			string.Remove(i, 3);
592 			string.Insert((char)c, 1, i);
593 			length -= 2;
594 		}
595 	}
596 
597 	return B_OK;
598 }
599 
600 
601 void
602 UrlWrapper::ReadyToRun(void)
603 {
604 	Quit();
605 }
606 
607 
608 // #pragma mark
609 
610 
611 int main(int argc, char** argv)
612 {
613 	UrlWrapper app;
614 	if (be_app)
615 		app.Run();
616 	return 0;
617 }
618 
619