diff options
author | Jaakko Keränen <jaakko.keranen@iki.fi> | 2020-11-07 22:41:00 +0200 |
---|---|---|
committer | Jaakko Keränen <jaakko.keranen@iki.fi> | 2020-11-07 22:41:00 +0200 |
commit | 0e03a97ba89bb9e8fccf6978250addc14799c5c1 (patch) | |
tree | e840a7465101216d1d2e9b11aaed2b3a883b7466 /src/gmrequest.c | |
parent | bf293d976fffcc80c4e4f26d553cda33746b95bc (diff) |
Added support for Gopher
Needs more testing. Queries are not supported yet.
Diffstat (limited to 'src/gmrequest.c')
-rw-r--r-- | src/gmrequest.c | 164 |
1 files changed, 15 insertions, 149 deletions
diff --git a/src/gmrequest.c b/src/gmrequest.c index 8a9226a1..d143e8da 100644 --- a/src/gmrequest.c +++ b/src/gmrequest.c | |||
@@ -23,6 +23,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ | |||
23 | #include "gmrequest.h" | 23 | #include "gmrequest.h" |
24 | #include "gmutil.h" | 24 | #include "gmutil.h" |
25 | #include "gmcerts.h" | 25 | #include "gmcerts.h" |
26 | #include "gopher.h" | ||
26 | #include "app.h" /* dataDir_App() */ | 27 | #include "app.h" /* dataDir_App() */ |
27 | #include "embedded.h" | 28 | #include "embedded.h" |
28 | #include "ui/text.h" | 29 | #include "ui/text.h" |
@@ -121,10 +122,7 @@ struct Impl_GmRequest { | |||
121 | enum iGmRequestState state; | 122 | enum iGmRequestState state; |
122 | iString url; | 123 | iString url; |
123 | iTlsRequest * req; | 124 | iTlsRequest * req; |
124 | iSocket * gopher; /* socket for Gopher connections */ | 125 | iGopher gopher; |
125 | char gopherType; | ||
126 | iBlock gopherBody; | ||
127 | iBool gopherPre; | ||
128 | iGmResponse resp; | 126 | iGmResponse resp; |
129 | iAudience * updated; | 127 | iAudience * updated; |
130 | iAudience * finished; | 128 | iAudience * finished; |
@@ -341,127 +339,13 @@ static const iBlock *replaceVariables_(const iBlock *block) { | |||
341 | return block; | 339 | return block; |
342 | } | 340 | } |
343 | 341 | ||
344 | iLocalDef iBool isLineTerminator_(const char *str) { | ||
345 | return str[0] == '\r' && str[1] == '\n'; | ||
346 | } | ||
347 | |||
348 | iLocalDef iBool isPreformatted_(iRangecc text) { | ||
349 | int numPunct = 0; | ||
350 | iBool isSpace = iFalse; | ||
351 | for (const char *ch = text.start; ch != text.end; ch++) { | ||
352 | if (ispunct(*ch)) { | ||
353 | if (++numPunct == 4) | ||
354 | return iTrue; | ||
355 | } | ||
356 | else { | ||
357 | numPunct = 0; | ||
358 | } | ||
359 | if (*ch == ' ' || *ch == '\n') { | ||
360 | if (isSpace) return iTrue; | ||
361 | isSpace = iTrue; | ||
362 | } | ||
363 | else { | ||
364 | isSpace = iFalse; | ||
365 | } | ||
366 | } | ||
367 | return iFalse; | ||
368 | } | ||
369 | |||
370 | static void setGopherPre_GmRequest_(iGmRequest *d, iBool pre) { | ||
371 | if (pre && !d->gopherPre) { | ||
372 | appendCStr_Block(&d->resp.body, "```\n"); | ||
373 | } | ||
374 | else if (!pre && d->gopherPre) { | ||
375 | appendCStr_Block(&d->resp.body, "```\n"); | ||
376 | } | ||
377 | d->gopherPre = pre; | ||
378 | } | ||
379 | |||
380 | static iBool convertGopherLines_GmRequest_(iGmRequest *d) { | ||
381 | iBool converted = iFalse; | ||
382 | iRangecc body = range_Block(&d->gopherBody); | ||
383 | iRegExp *pattern = new_RegExp("(.)([^\t]*)\t([^\t]*)\t([^\t]*)\t([0-9]+)", caseInsensitive_RegExpOption); | ||
384 | for (;;) { | ||
385 | /* Find the end of the line. */ | ||
386 | iRangecc line = { body.start, body.start }; | ||
387 | while (line.end < body.end - 1 && !isLineTerminator_(line.end)) { | ||
388 | line.end++; | ||
389 | } | ||
390 | if (line.end >= body.end - 1 || !isLineTerminator_(line.end)) { | ||
391 | /* Not a complete line. */ | ||
392 | break; | ||
393 | } | ||
394 | body.start = line.end + 2; | ||
395 | iRegExpMatch m; | ||
396 | init_RegExpMatch(&m); | ||
397 | if (matchRange_RegExp(pattern, line, &m)) { | ||
398 | const char lineType = *capturedRange_RegExpMatch(&m, 1).start; | ||
399 | const iRangecc text = capturedRange_RegExpMatch(&m, 2); | ||
400 | const iRangecc path = capturedRange_RegExpMatch(&m, 3); | ||
401 | const iRangecc domain = capturedRange_RegExpMatch(&m, 4); | ||
402 | const iRangecc port = capturedRange_RegExpMatch(&m, 5); | ||
403 | iString *out = new_String(); | ||
404 | switch (lineType) { | ||
405 | case 'i': | ||
406 | case '3': { | ||
407 | setGopherPre_GmRequest_(d, isPreformatted_(text)); | ||
408 | appendData_Block(&d->resp.body, text.start, size_Range(&text)); | ||
409 | appendCStr_Block(&d->resp.body, "\n"); | ||
410 | break; | ||
411 | } | ||
412 | case '0': | ||
413 | case '1': | ||
414 | case '7': | ||
415 | case '4': | ||
416 | case '5': | ||
417 | case '9': | ||
418 | case 'g': | ||
419 | case 'I': | ||
420 | case 's': { | ||
421 | iBeginCollect(); | ||
422 | setGopherPre_GmRequest_(d, iFalse); | ||
423 | format_String(out, | ||
424 | "=> gopher://%s:%s/%c%s %s\n", | ||
425 | cstr_Rangecc(domain), | ||
426 | cstr_Rangecc(port), | ||
427 | lineType, | ||
428 | cstr_Rangecc(path), | ||
429 | cstr_Rangecc(text)); | ||
430 | appendData_Block(&d->resp.body, constBegin_String(out), size_String(out)); | ||
431 | iEndCollect(); | ||
432 | break; | ||
433 | } | ||
434 | default: | ||
435 | break; /* Ignore unknown types. */ | ||
436 | } | ||
437 | delete_String(out); | ||
438 | } | ||
439 | } | ||
440 | iRelease(pattern); | ||
441 | remove_Block(&d->gopherBody, 0, body.start - constBegin_Block(&d->gopherBody)); | ||
442 | return converted; | ||
443 | } | ||
444 | |||
445 | static void gopherRead_GmRequest_(iGmRequest *d, iSocket *socket) { | 342 | static void gopherRead_GmRequest_(iGmRequest *d, iSocket *socket) { |
446 | iBool notifyUpdate = iFalse; | 343 | iBool notifyUpdate = iFalse; |
447 | lock_Mutex(&d->mutex); | 344 | lock_Mutex(&d->mutex); |
448 | d->resp.statusCode = success_GmStatusCode; | 345 | d->resp.statusCode = success_GmStatusCode; |
449 | iBlock *data = readAll_Socket(socket); | 346 | iBlock *data = readAll_Socket(socket); |
450 | if (!isEmpty_Block(data)) { | 347 | if (!isEmpty_Block(data)) { |
451 | if (d->gopherType == '1') { | 348 | processResponse_Gopher(&d->gopher, data); |
452 | setCStr_String(&d->resp.meta, "text/gemini"); | ||
453 | append_Block(&d->gopherBody, data); | ||
454 | if (convertGopherLines_GmRequest_(d)) { | ||
455 | notifyUpdate = iTrue; | ||
456 | } | ||
457 | } | ||
458 | else { | ||
459 | if (d->gopherType == '0') { | ||
460 | setCStr_String(&d->resp.meta, "text/plain"); | ||
461 | } | ||
462 | append_Block(&d->resp.body, data); | ||
463 | notifyUpdate = iTrue; | ||
464 | } | ||
465 | } | 349 | } |
466 | delete_Block(data); | 350 | delete_Block(data); |
467 | unlock_Mutex(&d->mutex); | 351 | unlock_Mutex(&d->mutex); |
@@ -499,28 +383,15 @@ static void beginGopherConnection_GmRequest_(iGmRequest *d, const iString *host, | |||
499 | if (port == 0) { | 383 | if (port == 0) { |
500 | port = 70; /* default port */ | 384 | port = 70; /* default port */ |
501 | } | 385 | } |
502 | clear_Block(&d->gopherBody); | 386 | clear_Block(&d->gopher.source); |
503 | d->state = receivingBody_GmRequestState; | 387 | d->gopher.meta = &d->resp.meta; |
504 | d->gopher = new_Socket(cstr_String(host), port); | 388 | d->gopher.output = &d->resp.body; |
505 | iConnect(Socket, d->gopher, readyRead, d, gopherRead_GmRequest_); | 389 | d->state = receivingBody_GmRequestState; |
506 | iConnect(Socket, d->gopher, disconnected, d, gopherDisconnected_GmRequest_); | 390 | d->gopher.socket = new_Socket(cstr_String(host), port); |
507 | iConnect(Socket, d->gopher, error, d, gopherError_GmRequest_); | 391 | iConnect(Socket, d->gopher.socket, readyRead, d, gopherRead_GmRequest_); |
508 | open_Socket(d->gopher); | 392 | iConnect(Socket, d->gopher.socket, disconnected, d, gopherDisconnected_GmRequest_); |
509 | iUrl parts; | 393 | iConnect(Socket, d->gopher.socket, error, d, gopherError_GmRequest_); |
510 | init_Url(&parts, &d->url); | 394 | open_Gopher(&d->gopher, &d->url); |
511 | d->gopherType = '1'; | ||
512 | if (!isEmpty_Range(&parts.path)) { | ||
513 | if (*parts.path.start == '/') { | ||
514 | parts.path.start++; | ||
515 | } | ||
516 | if (parts.path.start < parts.path.end) { | ||
517 | d->gopherType = *parts.path.start; | ||
518 | parts.path.start++; | ||
519 | } | ||
520 | } | ||
521 | d->gopherPre = iFalse; | ||
522 | writeData_Socket(d->gopher, parts.path.start, size_Range(&parts.path)); | ||
523 | writeData_Socket(d->gopher, "\r\n", 2); | ||
524 | } | 395 | } |
525 | 396 | ||
526 | /*----------------------------------------------------------------------------------------------*/ | 397 | /*----------------------------------------------------------------------------------------------*/ |
@@ -529,11 +400,9 @@ void init_GmRequest(iGmRequest *d, iGmCerts *certs) { | |||
529 | init_Mutex(&d->mutex); | 400 | init_Mutex(&d->mutex); |
530 | init_GmResponse(&d->resp); | 401 | init_GmResponse(&d->resp); |
531 | init_String(&d->url); | 402 | init_String(&d->url); |
532 | init_Block(&d->gopherBody, 0); | 403 | init_Gopher(&d->gopher); |
533 | d->certs = certs; | 404 | d->certs = certs; |
534 | d->req = NULL; | 405 | d->req = NULL; |
535 | d->gopher = NULL; | ||
536 | d->gopherType = 0; | ||
537 | d->updated = NULL; | 406 | d->updated = NULL; |
538 | d->finished = NULL; | 407 | d->finished = NULL; |
539 | d->state = initialized_GmRequestState; | 408 | d->state = initialized_GmRequestState; |
@@ -554,8 +423,7 @@ void deinit_GmRequest(iGmRequest *d) { | |||
554 | unlock_Mutex(&d->mutex); | 423 | unlock_Mutex(&d->mutex); |
555 | } | 424 | } |
556 | iReleasePtr(&d->req); | 425 | iReleasePtr(&d->req); |
557 | iReleasePtr(&d->gopher); | 426 | deinit_Gopher(&d->gopher); |
558 | deinit_Block(&d->gopherBody); | ||
559 | delete_Audience(d->finished); | 427 | delete_Audience(d->finished); |
560 | delete_Audience(d->updated); | 428 | delete_Audience(d->updated); |
561 | deinit_GmResponse(&d->resp); | 429 | deinit_GmResponse(&d->resp); |
@@ -719,9 +587,7 @@ void cancel_GmRequest(iGmRequest *d) { | |||
719 | if (d->req) { | 587 | if (d->req) { |
720 | cancel_TlsRequest(d->req); | 588 | cancel_TlsRequest(d->req); |
721 | } | 589 | } |
722 | if (d->gopher) { | 590 | cancel_Gopher(&d->gopher); |
723 | close_Socket(d->gopher); | ||
724 | } | ||
725 | } | 591 | } |
726 | 592 | ||
727 | iBool isFinished_GmRequest(const iGmRequest *d) { | 593 | iBool isFinished_GmRequest(const iGmRequest *d) { |