summaryrefslogtreecommitdiff
path: root/src/gmrequest.c
blob: 3faa28335bc525fd83c96925f4957777b7a0c98d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
/* Copyright 2020 Jaakko Keränen <jaakko.keranen@iki.fi>

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice, this
   list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
   this list of conditions and the following disclaimer in the documentation
   and/or other materials provided with the distribution.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */

#include "gmrequest.h"
#include "gmutil.h"
#include "gmcerts.h"
#include "app.h" /* dataDir_App() */
#include "embedded.h"
#include "ui/text.h"
#include "defs.h"

#include <the_Foundation/file.h>
#include <the_Foundation/mutex.h>
#include <the_Foundation/path.h>
#include <the_Foundation/regexp.h>
#include <the_Foundation/tlsrequest.h>

#include <SDL_timer.h>

iDefineTypeConstruction(GmResponse)

void init_GmResponse(iGmResponse *d) {
    d->statusCode = none_GmStatusCode;
    init_String(&d->meta);
    init_Block(&d->body, 0);
    d->certFlags = 0;
    iZap(d->certValidUntil);
    init_String(&d->certSubject);
    iZap(d->when);
}

void initCopy_GmResponse(iGmResponse *d, const iGmResponse *other) {
    d->statusCode = other->statusCode;
    initCopy_String(&d->meta, &other->meta);
    initCopy_Block(&d->body, &other->body);
    d->certFlags = other->certFlags;
    d->certValidUntil = other->certValidUntil;
    initCopy_String(&d->certSubject, &other->certSubject);
    d->when = other->when;
}

void deinit_GmResponse(iGmResponse *d) {
    deinit_String(&d->certSubject);
    deinit_Block(&d->body);
    deinit_String(&d->meta);
}

void clear_GmResponse(iGmResponse *d) {
    d->statusCode = none_GmStatusCode;
    clear_String(&d->meta);
    clear_Block(&d->body);
    d->certFlags = 0;
    iZap(d->certValidUntil);
    clear_String(&d->certSubject);
    iZap(d->when);
}

iGmResponse *copy_GmResponse(const iGmResponse *d) {
    iGmResponse *copied = iMalloc(GmResponse);
    initCopy_GmResponse(copied, d);
    return copied;
}

void serialize_GmResponse(const iGmResponse *d, iStream *outs) {
    write32_Stream(outs, d->statusCode);
    serialize_String(&d->meta, outs);
    serialize_Block(&d->body, outs);
    write32_Stream(outs, d->certFlags);
    serialize_Date(&d->certValidUntil, outs);
    serialize_String(&d->certSubject, outs);
    writeU64_Stream(outs, d->when.ts.tv_sec);
}

void deserialize_GmResponse(iGmResponse *d, iStream *ins) {
    d->statusCode = read32_Stream(ins);
    deserialize_String(&d->meta, ins);
    deserialize_Block(&d->body, ins);
    d->certFlags = read32_Stream(ins);
    deserialize_Date(&d->certValidUntil, ins);
    deserialize_String(&d->certSubject, ins);
    iZap(d->when);
    if (version_Stream(ins) >= addedResponseTimestamps_FileVersion) {
        d->when.ts.tv_sec = readU64_Stream(ins);
    }
}

/*----------------------------------------------------------------------------------------------*/

static const int bodyTimeout_GmRequest_ = 3000; /* ms */

enum iGmRequestState {
    initialized_GmRequestState,
    receivingHeader_GmRequestState,
    receivingBody_GmRequestState,
    finished_GmRequestState
};

struct Impl_GmRequest {
    iObject              object;
    iMutex               mutex;
    iGmCerts *           certs; /* not owned */
    enum iGmRequestState state;
    iString              url;
    iTlsRequest *        req;
    iGmResponse          resp;
    uint32_t             timeoutId; /* in case server doesn't close the connection */
    iAudience *          updated;
    iAudience *          timeout;
    iAudience *          finished;
};

iDefineObjectConstructionArgs(GmRequest, (iGmCerts *certs), certs)
iDefineAudienceGetter(GmRequest, updated)
iDefineAudienceGetter(GmRequest, timeout)
iDefineAudienceGetter(GmRequest, finished)

void init_GmRequest(iGmRequest *d, iGmCerts *certs) {
    init_Mutex(&d->mutex);
    init_GmResponse(&d->resp);
    init_String(&d->url);
    d->certs           = certs;
    d->timeoutId       = 0;
    d->req             = NULL;
    d->state           = initialized_GmRequestState;
    d->updated         = NULL;
    d->timeout         = NULL;
    d->finished        = NULL;
}

void deinit_GmRequest(iGmRequest *d) {
    if (d->req) {
        iDisconnectObject(TlsRequest, d->req, readyRead, d);
        iDisconnectObject(TlsRequest, d->req, finished, d);
    }
    lock_Mutex(&d->mutex);
    if (d->timeoutId) {
        SDL_RemoveTimer(d->timeoutId);
    }
    if (!isFinished_GmRequest(d)) {
        unlock_Mutex(&d->mutex);
        cancel_TlsRequest(d->req);
        d->state = finished_GmRequestState;
    }
    else {
        unlock_Mutex(&d->mutex);
    }
    iRelease(d->req);
    d->req = NULL;
    delete_Audience(d->timeout);
    delete_Audience(d->finished);
    delete_Audience(d->updated);
    deinit_GmResponse(&d->resp);
    deinit_String(&d->url);
    deinit_Mutex(&d->mutex);
}

void setUrl_GmRequest(iGmRequest *d, const iString *url) {
    set_String(&d->url, url);
    urlEncodeSpaces_String(&d->url);
}

static uint32_t timedOutWhileReceivingBody_GmRequest_(uint32_t interval, void *obj) {
    /* Note: Called from SDL's timer thread. */
    iGmRequest *d = obj;
    //postCommandf_App("gmrequest.timeout request:%p", obj);
    iNotifyAudience(d, timeout, GmRequestTimeout);
    iUnused(interval);
    return 0;
}

void cancel_GmRequest(iGmRequest *d) {
    cancel_TlsRequest(d->req);
}

static void restartTimeout_GmRequest_(iGmRequest *d) {
    /* Note: `d` is currently locked. */
    if (d->timeoutId) {
        SDL_RemoveTimer(d->timeoutId);
    }
    d->timeoutId = SDL_AddTimer(bodyTimeout_GmRequest_, timedOutWhileReceivingBody_GmRequest_, d);
}

static void checkServerCertificate_GmRequest_(iGmRequest *d) {
    const iTlsCertificate *cert = serverCertificate_TlsRequest(d->req);
    d->resp.certFlags = 0;
    if (cert) {
        const iRangecc domain = range_String(hostName_Address(address_TlsRequest(d->req)));
        d->resp.certFlags |= available_GmCertFlag;
        if (!isExpired_TlsCertificate(cert)) {
            d->resp.certFlags |= timeVerified_GmCertFlag;
        }
        /* TODO: Check for IP too (see below), because it may be specified in the SAN. */
#if 0
        iString *ip = toStringFlags_Address(address_TlsRequest(d->req), noPort_SocketStringFlag, 0);
        if (verifyIp_TlsCertificate(cert, ip)) {
            printf("[GmRequest] IP address %s matches!\n", cstr_String(ip));
        }
        else {
            printf("[GmRequest] IP address %s not matched\n", cstr_String(ip));
        }
        delete_String(ip);
#endif
        if (verifyDomain_TlsCertificate(cert, domain)) {
            d->resp.certFlags |= domainVerified_GmCertFlag;
        }
        if (checkTrust_GmCerts(d->certs, domain, cert)) {
            d->resp.certFlags |= trusted_GmCertFlag;
        }
        validUntil_TlsCertificate(cert, &d->resp.certValidUntil);
        set_String(&d->resp.certSubject, collect_String(subject_TlsCertificate(cert)));
    }
}

static void readIncoming_GmRequest_(iAnyObject *obj) {
    iGmRequest *d = (iGmRequest *) obj;
    iBool notifyUpdate = iFalse;
    iBool notifyDone = iFalse;
    lock_Mutex(&d->mutex);
    iAssert(d->state != finished_GmRequestState); /* notifications out of order? */
    iBlock *data = readAll_TlsRequest(d->req);
    if (d->state == receivingHeader_GmRequestState) {
        appendCStrN_String(&d->resp.meta, constData_Block(data), size_Block(data));
        /* Check if the header line is complete. */
        size_t endPos = indexOfCStr_String(&d->resp.meta, "\r\n");
        if (endPos != iInvalidPos) {
            /* Move remainder to the body. */
            setData_Block(&d->resp.body,
                          constBegin_String(&d->resp.meta) + endPos + 2,
                          size_String(&d->resp.meta) - endPos - 2);
            remove_Block(&d->resp.meta.chars, endPos, iInvalidSize);
            /* parse and remove the code */
            if (size_String(&d->resp.meta) < 3) {
                clear_String(&d->resp.meta);
                d->resp.statusCode = invalidHeader_GmStatusCode;
                d->state           = finished_GmRequestState;
                notifyDone         = iTrue;
            }
            const int code = toInt_String(&d->resp.meta);
            if (code == 0 || cstr_String(&d->resp.meta)[2] != ' ') {
                clear_String(&d->resp.meta);
                d->resp.statusCode = invalidHeader_GmStatusCode;
                d->state           = finished_GmRequestState;
                notifyDone         = iTrue;
            }
            remove_Block(&d->resp.meta.chars, 0, 3); /* just the meta */
            if (code == success_GmStatusCode && isEmpty_String(&d->resp.meta)) {
                setCStr_String(&d->resp.meta, "text/gemini; charset=utf-8"); /* default */
            }
            d->resp.statusCode = code;
            d->state           = receivingBody_GmRequestState;
            checkServerCertificate_GmRequest_(d);
            notifyUpdate = iTrue;
            /* Start a timeout for the remainder of the response, in case the connection
               remains open. */
            restartTimeout_GmRequest_(d);
        }
    }
    else if (d->state == receivingBody_GmRequestState) {
        append_Block(&d->resp.body, data);
        restartTimeout_GmRequest_(d);
        notifyUpdate = iTrue;
    }
    initCurrent_Time(&d->resp.when);
    delete_Block(data);
    unlock_Mutex(&d->mutex);
    if (notifyUpdate) {
        iNotifyAudience(d, updated, GmRequestUpdated);
    }
    if (notifyDone) {
        iNotifyAudience(d, finished, GmRequestFinished);
    }
}

static void requestFinished_GmRequest_(iAnyObject *obj) {
    iGmRequest *d = (iGmRequest *) obj;
    lock_Mutex(&d->mutex);
    /* There shouldn't be anything left to read. */ {
        iBlock *data = readAll_TlsRequest(d->req);
        iAssert(isEmpty_Block(data));
        delete_Block(data);
        initCurrent_Time(&d->resp.when);
    }
    SDL_RemoveTimer(d->timeoutId);
    d->timeoutId = 0;
    d->state     = finished_GmRequestState;
    checkServerCertificate_GmRequest_(d);
    unlock_Mutex(&d->mutex);
    iNotifyAudience(d, finished, GmRequestFinished);
}

static const iBlock *aboutPageSource_(iRangecc path) {
    const iBlock *src = NULL;
    if (equalCase_Rangecc(path, "lagrange")) {
        return &blobLagrange_Embedded;
    }
    if (equalCase_Rangecc(path, "help")) {
        return &blobHelp_Embedded;
    }
    if (equalCase_Rangecc(path, "license")) {
        return &blobLicense_Embedded;
    }
    if (equalCase_Rangecc(path, "version")) {
        return &blobVersion_Embedded;
    }
    if (equalCase_Rangecc(path, "debug")) {
        return utf8_String(debugInfo_App());
    }
    return src;
}

static const iBlock *replaceVariables_(const iBlock *block) {
    iRegExp *var = new_RegExp("\\$\\{([^}]+)\\}", 0);
    iRegExpMatch m;
    init_RegExpMatch(&m);
    if (matchRange_RegExp(var, range_Block(block), &m)) {
        iBlock *replaced = collect_Block(copy_Block(block));
        do {
            const iRangei span = m.range;
            const iRangecc name = capturedRange_RegExpMatch(&m, 1);
            iRangecc repl = iNullRange;
            if (equal_Rangecc(name, "APP_VERSION")) {
                repl = range_CStr(LAGRANGE_APP_VERSION);
            }
            else if (startsWith_Rangecc(name, "BT:")) { /* block text */
                repl = range_String(collect_String(renderBlockChars_Text(
                    &fontFiraSansRegular_Embedded,
                    11, /* should be larger if shaded */
                    quadrants_TextBlockMode,
                    &(iString){ iBlockLiteral(
                        name.start + 3, size_Range(&name) - 3, size_Range(&name) - 3) })));
            }
            else if (startsWith_Rangecc(name, "ST:")) { /* shaded text */
                repl = range_String(collect_String(renderBlockChars_Text(
                    &fontSymbola_Embedded,
                    20,
                    shading_TextBlockMode,
                    &(iString){ iBlockLiteral(
                        name.start + 3, size_Range(&name) - 3, size_Range(&name) - 3) })));
            }
            else if (equal_Rangecc(name, "ALT")) {
#if defined (iPlatformApple)
                repl = range_CStr("\u2325");
#else
                repl = range_CStr("Alt");
#endif
            }
            else if (equal_Rangecc(name, "ALT+")) {
#if defined (iPlatformApple)
                repl = range_CStr("\u2325");
#else
                repl = range_CStr("Alt+");
#endif
            }
            else if (equal_Rangecc(name, "CTRL")) {
#if defined (iPlatformApple)
                repl = range_CStr("\u2318");
#else
                repl = range_CStr("Ctrl");
#endif
            }
            else if (equal_Rangecc(name, "CTRL+")) {
#if defined (iPlatformApple)
                repl = range_CStr("\u2318");
#else
                repl = range_CStr("Ctrl+");
#endif
            }
            else if (equal_Rangecc(name, "SHIFT")) {
#if defined (iPlatformApple)
                repl = range_CStr("\u21e7");
#else
                repl = range_CStr("Shift");
#endif
            }
            else if (equal_Rangecc(name, "SHIFT+")) {
#if defined (iPlatformApple)
                repl = range_CStr("\u21e7");
#else
                repl = range_CStr("Shift+");
#endif
            }
            remove_Block(replaced, span.start, size_Range(&span));
            insertData_Block(replaced, span.start, repl.start, size_Range(&repl));
            iZap(m);
        } while (matchRange_RegExp(var, range_Block(replaced), &m));
        block = replaced;
    }
    iRelease(var);
    return block;
}

void submit_GmRequest(iGmRequest *d) {
    iAssert(d->state == initialized_GmRequestState);
    if (d->state != initialized_GmRequestState) {
        return;
    }
    clear_GmResponse(&d->resp);
    iUrl url;
    init_Url(&url, &d->url);
    /* Check for special schemes. */
    /* TODO: If this were a library, these could be handled via callbacks. */
    /* TODO: Handle app's configured proxies and these via the same mechanism. */
    const iString *host = collect_String(newRange_String(url.host));
    uint16_t       port = toInt_String(collect_String(newRange_String(url.port)));
    if (equalCase_Rangecc(url.scheme, "about")) {
        const iBlock *src = aboutPageSource_(url.path);
        if (src) {
            d->resp.statusCode = success_GmStatusCode;
            setCStr_String(&d->resp.meta, "text/gemini; charset=utf-8");
            set_Block(&d->resp.body, replaceVariables_(src));
            d->state = receivingBody_GmRequestState;
            iNotifyAudience(d, updated, GmRequestUpdated);
        }
        else {
            d->resp.statusCode = invalidLocalResource_GmStatusCode;
        }
        d->state = finished_GmRequestState;
        iNotifyAudience(d, finished, GmRequestFinished);
        return;
    }
    else if (equalCase_Rangecc(url.scheme, "file")) {
        iString *path = collect_String(urlDecode_String(collect_String(newRange_String(url.path))));
        iFile *  f    = new_File(path);
        if (open_File(f, readOnly_FileMode)) {
            /* TODO: Check supported file types: images, audio */
            /* TODO: Detect text files based on contents? E.g., is the content valid UTF-8. */
            d->resp.statusCode = success_GmStatusCode;
            if (endsWithCase_String(path, ".gmi") || endsWithCase_String(path, ".gemini")) {
                setCStr_String(&d->resp.meta, "text/gemini; charset=utf-8");
            }
            else if (endsWithCase_String(path, ".txt")) {
                setCStr_String(&d->resp.meta, "text/plain");
            }
            else if (endsWithCase_String(path, ".png")) {
                setCStr_String(&d->resp.meta, "image/png");
            }
            else if (endsWithCase_String(path, ".jpg") || endsWithCase_String(path, ".jpeg")) {
                setCStr_String(&d->resp.meta, "image/jpeg");
            }
            else if (endsWithCase_String(path, ".gif")) {
                setCStr_String(&d->resp.meta, "image/gif");
            }
            else if (endsWithCase_String(path, ".wav")) {
                setCStr_String(&d->resp.meta, "audio/wave");
            }
            else if (endsWithCase_String(path, ".ogg")) {
                setCStr_String(&d->resp.meta, "audio/ogg");
            }
            else if (endsWithCase_String(path, ".mp3")) {
                setCStr_String(&d->resp.meta, "audio/mpeg");
            }
            else {
                setCStr_String(&d->resp.meta, "application/octet-stream");
            }
            set_Block(&d->resp.body, collect_Block(readAll_File(f)));
            d->state = receivingBody_GmRequestState;
            iNotifyAudience(d, updated, GmRequestUpdated);
        }
        else {
            d->resp.statusCode = failedToOpenFile_GmStatusCode;
            setCStr_String(&d->resp.meta, cstr_String(path));
        }
        iRelease(f);
        d->state = finished_GmRequestState;
        iNotifyAudience(d, finished, GmRequestFinished);
        return;
    }
    else if (equalCase_Rangecc(url.scheme, "data")) {
        d->resp.statusCode = success_GmStatusCode;
        iString *src = collectNewCStr_String(url.scheme.start + 5);
        iRangecc header = { constBegin_String(src), constBegin_String(src) };
        while (header.end < constEnd_String(src) && *header.end != ',') {
            header.end++;
        }
        iBool isBase64 = iFalse;
        setRange_String(&d->resp.meta, header);
        /* Check what's in the header. */ {
            iRangecc entry = iNullRange;
            while (nextSplit_Rangecc(header, ";", &entry)) {
                if (equal_Rangecc(entry, "base64")) {
                    isBase64 = iTrue;
                }
            }
        }
        remove_Block(&src->chars, 0, size_Range(&header) + 1);
        if (isBase64) {
            set_Block(&src->chars, collect_Block(base64Decode_Block(&src->chars)));
        }
        else {
            set_String(src, collect_String(urlDecode_String(src)));
        }
        set_Block(&d->resp.body, &src->chars);
        d->state = receivingBody_GmRequestState;
        iNotifyAudience(d, updated, GmRequestUpdated);
        d->state = finished_GmRequestState;
        iNotifyAudience(d, finished, GmRequestFinished);
        return;
    }
    else if (schemeProxy_App(url.scheme)) {
        /* User has configured a proxy server for this scheme. */
        const iString *proxy = schemeProxy_App(url.scheme);
        if (contains_String(proxy, ':')) {
            const size_t cpos = indexOf_String(proxy, ':');
            port = atoi(cstr_String(proxy) + cpos + 1);
            host = collect_String(newCStrN_String(cstr_String(proxy), cpos));
        }
        else {
            host = proxy;
            port = 0;
        }
    }
    d->state = receivingHeader_GmRequestState;
    d->req = new_TlsRequest();
    const iGmIdentity *identity = identityForUrl_GmCerts(d->certs, &d->url);
    if (identity) {
        setCertificate_TlsRequest(d->req, identity->cert);
    }
    iConnect(TlsRequest, d->req, readyRead, d, readIncoming_GmRequest_);
    iConnect(TlsRequest, d->req, finished, d, requestFinished_GmRequest_);
    if (port == 0) {
        port = 1965; /* default Gemini port */
    }
    setUrl_TlsRequest(d->req, host, port);
    setContent_TlsRequest(d->req,
                          utf8_String(collectNewFormat_String("%s\r\n", cstr_String(&d->url))));
    submit_TlsRequest(d->req);
}

iBool isFinished_GmRequest(const iGmRequest *d) {
    iBool done;
    iGuardMutex(&d->mutex, done = (d->state == finished_GmRequestState));
    return done;
}

enum iGmStatusCode status_GmRequest(const iGmRequest *d) {
    return d->resp.statusCode;
}

const iString *meta_GmRequest(const iGmRequest *d) {
    if (d->state >= receivingBody_GmRequestState) {
        return &d->resp.meta;
    }
    return collectNew_String();
}

const iBlock *body_GmRequest(const iGmRequest *d) {
    iBlock *body;
    iGuardMutex(&d->mutex, body = collect_Block(copy_Block(&d->resp.body)));
    return body;
}

const iString *url_GmRequest(const iGmRequest *d) {
    return &d->url;
}

const iGmResponse *response_GmRequest(const iGmRequest *d) {
    iAssert(d->state != initialized_GmRequestState);
    return &d->resp;
}

int certFlags_GmRequest(const iGmRequest *d) {
    return d->resp.certFlags;
}

iDate certExpirationDate_GmRequest(const iGmRequest *d) {
    return d->resp.certValidUntil;
}

iDefineClass(GmRequest)