Annotation of parser3/src/types/pa_vmail.C, revision 1.1
1.1 ! paf 1:
! 2: /** @file
! 3: Parser: @b mail class.
! 4: relies on gmime library, by Jeffrey Stedfast <fejj@helixcode.com>
! 5:
! 6: Copyright(c) 2001, 2002 ArtLebedev Group(http://www.artlebedev.com)
! 7: Author: Alexandr Petrosian <paf@design.ru>(http://paf.design.ru)
! 8:
! 9: $Id: pa_vmail.C,v 1.56 2002/06/10 13:27:40 paf Exp $
! 10: */
! 11:
! 12: #include "pa_sapi.h"
! 13: #include "pa_vmail.h"
! 14: #include "pa_vstring.h"
! 15: #include "pa_request.h"
! 16: #include "pa_common.h"
! 17: #include "pa_charset.h"
! 18: #include "pa_charsets.h"
! 19: #include "pa_vdate.h"
! 20: #include "pa_vfile.h"
! 21: #include "pa_uue.h"
! 22:
! 23: #ifdef WITH_MAIL_RECEIVE
! 24: #include "gmime-config.h"
! 25: #include "gmime.h"
! 26: #endif
! 27:
! 28: // defines
! 29:
! 30: #define RAW_NAME "raw"
! 31:
! 32: // internals
! 33:
! 34: enum PartType {
! 35: P_TEXT,
! 36: P_HTML,
! 37: P_FILE,
! 38: P_MESSAGE,
! 39:
! 40: P_TYPES_COUNT
! 41: };
! 42:
! 43: static const char * const part_name_starts[P_TYPES_COUNT]={"text", "html", "file", "message"};
! 44:
! 45: // VMail
! 46:
! 47: extern Methoded *mail_base_class;
! 48:
! 49: VMail::VMail(Pool& apool) : VStateless_class(apool, 0, mail_base_class),
! 50: vreceived(apool) {
! 51: }
! 52:
! 53: #ifdef WITH_MAIL_RECEIVE
! 54:
! 55: static const String& maybeUpperCase(Pool& pool, const String& src, bool toUpperCase) {
! 56: return toUpperCase?src.change_case(pool, String::CC_UPPER):src;
! 57: }
! 58:
! 59: static void UTF8toSource(Pool& pool, const char *source_body, size_t source_content_length,
! 60: const void *& dest_body, size_t& dest_content_length) {
! 61: if(source_body) {
! 62: if(!source_content_length)
! 63: source_content_length=strlen(source_body);
! 64: Charset::transcode(pool,
! 65: *utf8_charset, source_body, source_content_length,
! 66: pool.get_source_charset(), dest_body, dest_content_length);
! 67: } else {
! 68: dest_body=0;
! 69: dest_content_length=0;
! 70: }
! 71: }
! 72:
! 73: static void putReceived(Hash& received, const char *name, Value *value, bool nameToUpperCase=false) {
! 74: Pool& pool=received.pool();
! 75: if(name && value) {
! 76: received.put(
! 77: maybeUpperCase(pool, String::OnPool(pool, name, 0, true/*tainted*/), nameToUpperCase),
! 78: value);
! 79: }
! 80: }
! 81:
! 82: static void putReceived(Hash& received, const char *name, const char *value, size_t value_size=0, bool nameToUpperCase=false) {
! 83: if(value) {
! 84: Pool& pool=received.pool();
! 85:
! 86: const void *value_dest_body;
! 87: size_t value_dest_content_length;
! 88: UTF8toSource(pool, value, value_size, value_dest_body, value_dest_content_length);
! 89:
! 90: putReceived(received, name,
! 91: new(pool) VString(
! 92: String::OnPool(pool,(const char *)value_dest_body, value_dest_content_length, true/*tainted*/)));
! 93: }
! 94: }
! 95:
! 96: static void putReceived(Hash& received, const char *name, time_t value) {
! 97: Pool& pool=received.pool();
! 98: if(name)
! 99: received.put(String::OnPool(pool, name, 0, true/*tainted*/), new(pool) VDate(pool, value));
! 100: }
! 101:
! 102: static void MimeHeaderField2received(const char *name, const char *value, gpointer data) {
! 103: Hash& received=*static_cast<Hash *>(data);
! 104:
! 105: putReceived(received, name, value, 0, true/*nameInUpperCase*/);
! 106: }
! 107:
! 108: static void parse(GMimeStream *stream, Hash& received);
! 109:
! 110: #ifndef DOXYGEN
! 111: struct MimePart2bodyInfo {
! 112: Hash *body;
! 113: int partCounts[P_TYPES_COUNT];
! 114: };
! 115: #endif
! 116: static void MimePart2body(GMimePart *part,
! 117: gpointer data) {
! 118: MimePart2bodyInfo& i=*static_cast<MimePart2bodyInfo *>(data);
! 119: Pool& pool=i.body->pool();
! 120:
! 121: if(const GMimeContentType *type=g_mime_part_get_content_type(part)) {
! 122: if(g_mime_content_type_is_type(type, "multipart", "*"))
! 123: return; // skipping frames
! 124:
! 125: PartType partType;
! 126: if(g_mime_content_type_is_type(type, "text", "plain"))
! 127: partType=P_TEXT;
! 128: else if(g_mime_content_type_is_type(type, "text", "html"))
! 129: partType=P_HTML;
! 130: else if(g_mime_content_type_is_type(type, "message", "*"))
! 131: partType=P_MESSAGE;
! 132: else
! 133: partType=P_FILE;
! 134:
! 135: // partName
! 136: const char *partName;
! 137: char partNameBuf[MAX_STRING];
! 138: const char *partNameStart=part_name_starts[partType];
! 139: if(int partNo=i.partCounts[partType]++) {
! 140: snprintf(partNameBuf, MAX_STRING, "%s%d", partNameStart, partNo);
! 141: partName=partNameBuf;
! 142: } else
! 143: partName=partNameStart;
! 144:
! 145: // $.partX[
! 146: VHash& vpartX=*new(pool) VHash(pool); putReceived(*i.body, partName, &vpartX);
! 147: Hash& partX=vpartX.hash(0);
! 148: {
! 149: // $.raw[
! 150: VHash& vraw=*new(pool) VHash(pool); putReceived(partX, RAW_NAME, &vraw);
! 151: g_mime_header_foreach(part->headers, MimeHeaderField2received, &vraw.hash(0));
! 152: }
! 153: const char *content_filename=0;
! 154: {
! 155: // $.content-type[
! 156: VHash& vcontent_type=*new(pool) VHash(pool); putReceived(partX, "content-type", &vcontent_type);
! 157: Hash& content_type=vcontent_type.hash(0);
! 158: {
! 159: // $.value[text/plain]
! 160: char value[MAX_STRING];
! 161: snprintf(value, MAX_STRING, "%s/%s",
! 162: type->type?type->type:"x-unknown",
! 163: type->subtype?type->subtype:"x-unknown");
! 164: putReceived(content_type, VALUE_NAME, value);
! 165: }
! 166: GMimeParam *param=type->params;
! 167: while(param) {
! 168: // $.charset[windows-1251] && co
! 169: putReceived(content_type, param->name, param->value, true);
! 170: if(strcasecmp(param->name, "name")==0)
! 171: content_filename=param->value;
! 172: param=param->next;
! 173: }
! 174: }
! 175: // $.description
! 176: putReceived(partX, "description", part->description);
! 177: // $.content-id
! 178: putReceived(partX, "content-id", part->content_id);
! 179: // $.content-md5
! 180: putReceived(partX, "content-md5", part->content_md5);
! 181: // $.content-location
! 182: putReceived(partX, "content-location", part->content_location);
! 183:
! 184: // todo GMimePart:
! 185: // GMimePartEncodingType encoding;
! 186: // GMimeDisposition *disposition;
! 187: if(part->disposition) {
! 188: GMimeParam *param=part->disposition->params;
! 189: while(param) {
! 190: // $.charset[windows-1251] && co
! 191: if(strcasecmp(param->name, "filename")==0)
! 192: content_filename=param->value;
! 193: param=param->next;
! 194: }
! 195: }
! 196:
! 197: // MESSAGE
! 198: if(partType==P_MESSAGE) {
! 199: if(part->content)
! 200: if(GMimeStream *stream=part->content->stream)
! 201: parse(stream, partX);
! 202: } else {
! 203: // $.value[string|file]
! 204: size_t buf_len;
! 205: const void *buf=g_mime_part_get_content(part, &buf_len);
! 206: if(partType==P_FILE) {
! 207: VFile& vfile=*new(pool) VFile(pool);
! 208: vfile.set(true/*tainted*/, buf, buf_len, content_filename);
! 209: putReceived(partX, VALUE_NAME, &vfile);
! 210: } else {
! 211: // P_TEXT, P_HTML
! 212: putReceived(partX, VALUE_NAME,(const char*)buf, buf_len);
! 213: }
! 214: }
! 215: }
! 216: }
! 217:
! 218: static void parse(GMimeStream *stream, Hash& received) {
! 219: Pool& pool=received.pool();
! 220:
! 221: GMimeMessage *message=g_mime_parser_construct_message(stream);
! 222: try {
! 223: const GMimeMessageHeader *messageHeader=message->header;
! 224: if(!messageHeader)
! 225: return;
! 226:
! 227: // firstly user-defined strings go
! 228: // user headers
! 229: {
! 230: // $.raw[
! 231: VHash& vraw=*new(pool) VHash(pool); putReceived(received, "raw", &vraw);
! 232: g_mime_header_foreach(messageHeader->headers, MimeHeaderField2received, &vraw.hash(0));
! 233: }
! 234:
! 235: // maybe-todo-recipients
! 236: // x(messageHeader->recipients)
! 237:
! 238: // secondly standard headers&body go
! 239: // standard header
! 240: // .from
! 241: putReceived(received, "from", messageHeader->from);
! 242: // .reply-to
! 243: putReceived(received, "reply-to", messageHeader->reply_to);
! 244: // .to
! 245: // todo: messageHeader->recipients
! 246: // .subject
! 247: putReceived(received, "subject", messageHeader->subject);
! 248: // .date(date+gmt_offset)
! 249: int tt_offset =
! 250: ((messageHeader->gmt_offset / 100) *(60 * 60))
! 251: +(messageHeader->gmt_offset % 100) * 60;
! 252: putReceived(received, "date",
! 253: messageHeader->date // local sender
! 254: -tt_offset // move local sender to GMT sender
! 255: -(timezone+(daylight?60*60*sign(timezone):0)) // move GMT sender to our local time
! 256: );
! 257: // .message-id
! 258: putReceived(received, "message-id", messageHeader->message_id);
! 259:
! 260: // .body[part/parts
! 261: GMimePart *part=message->mime_part;
! 262: const GMimeContentType *type=g_mime_part_get_content_type(part);
! 263: MimePart2bodyInfo info={&received};
! 264: g_mime_part_foreach(part, MimePart2body, &info);
! 265:
! 266: // normal unref
! 267: g_mime_object_unref(GMIME_OBJECT(message));
! 268: } catch(...) {
! 269: // abnormal unref
! 270: g_mime_object_unref(GMIME_OBJECT(message));
! 271: }
! 272: }
! 273: #endif
! 274:
! 275:
! 276:
! 277: void VMail::fill_received(Request& request) {
! 278: int a=timezone;
! 279: int b=sign(timezone);
! 280: // store letter to received
! 281: #ifdef WITH_MAIL_RECEIVE
! 282: if(request.info.mail_received) {
! 283: // init
! 284: g_mime_init(GMIME_INIT_FLAG_UTF8);
! 285:
! 286: // create stream with CRLF filter
! 287: GMimeStream *stream = g_mime_stream_fs_new(fileno(stdin));
! 288: GMimeStream *istream = g_mime_stream_filter_new_with_stream(stream);
! 289: GMimeFilter *filter = g_mime_filter_crlf_new(GMIME_FILTER_CRLF_DECODE, GMIME_FILTER_CRLF_MODE_CRLF_ONLY);
! 290: g_mime_stream_filter_add(GMIME_STREAM_FILTER(istream), filter);
! 291: g_mime_stream_unref(stream);
! 292: stream = istream;
! 293: try {
! 294: // parse incoming stream
! 295: parse(stream, vreceived.hash(0));
! 296: // normal stream free
! 297: g_mime_stream_unref(stream);
! 298: } catch(...) {
! 299: // abnormal stream free
! 300: g_mime_stream_unref(stream);
! 301: }
! 302: }
! 303: #endif
! 304: }
! 305:
! 306: #ifndef DOXYGEN
! 307: struct Store_message_element_info {
! 308: Charset *charset;
! 309: String *header;
! 310: const String **from, **to;
! 311: Array *parts[P_TYPES_COUNT];
! 312: int parts_count;
! 313: bool has_content_type;
! 314: };
! 315: #endif
! 316: static void store_message_element(const Hash::Key& element_name, Hash::Val *aelement_value,
! 317: void *info) {
! 318: Value& element_value=*static_cast<Value *>(aelement_value);
! 319: Store_message_element_info& i=*static_cast<Store_message_element_info *>(info);
! 320:
! 321: // exclude internals
! 322: if(element_name==CHARSET_NAME
! 323: || element_name==VALUE_NAME
! 324: || element_name==RAW_NAME)
! 325: return;
! 326:
! 327: // grep parts
! 328: for(int pt=0; pt<P_TYPES_COUNT; pt++) {
! 329: if(element_name.starts_with(part_name_starts[pt])) {
! 330: *i.parts[pt]+=&element_value;
! 331: i.parts_count++;
! 332: return;
! 333: }
! 334: }
! 335:
! 336: // fetch from & to from header for SMTP
! 337: if(i.from && element_name=="from")
! 338: *i.from=&element_value.as_string();
! 339: if(i.to && element_name=="to")
! 340: *i.to=&element_value.as_string();
! 341:
! 342: // append header line
! 343: *i.header <<
! 344: element_name << ":" <<
! 345: attributed_meaning_to_string(element_value, String::UL_MAIL_HEADER).
! 346: cstr(String::UL_UNSPECIFIED, 0, i.charset, i.charset?i.charset->name().cstr():0) <<
! 347: "\n";
! 348:
! 349: // has content type?
! 350: if(element_name.change_case(element_name.pool(), String::CC_LOWER)==CONTENT_TYPE_NAME)
! 351: i.has_content_type=true;
! 352: }
! 353:
! 354: static const String& file_value_to_string(Request& r, const String *source,
! 355: Value& send_value) {
! 356: Pool& pool=r.pool();
! 357: const VFile *vfile;
! 358: const String *file_name;
! 359: Value *vformat;
! 360: if(Hash *send_hash=send_value.get_hash(source)) { // hash
! 361: // $.value
! 362: if(Value *value=static_cast<Value *>(send_hash->get(*value_name)))
! 363: vfile=value->as_vfile(String::UL_AS_IS);
! 364: else
! 365: throw Exception("parser.runtime",
! 366: source,
! 367: "file part has no $value");
! 368:
! 369: // $.format
! 370: vformat=static_cast<Value *>(send_hash->get(*new(pool) String(pool, "format")));
! 371:
! 372: // $.file-name
! 373: if(Value *vfile_name=static_cast<Value *>(send_hash->get(
! 374: *new(pool) String(pool, "file-name")))) // specified $file-name
! 375: file_name=&vfile_name->as_string();
! 376: } else { // must be VFile
! 377: vfile=send_value.as_vfile(String::UL_AS_IS);
! 378: file_name=&static_cast<Value *>(vfile->fields().get(*name_name))->as_string();
! 379: vformat=0;
! 380: }
! 381: const char *file_name_cstr=file_name->cstr();
! 382:
! 383: String& result=*new(pool) String(pool);
! 384:
! 385: // content-type: application/octet-stream
! 386: result << "content-type: " << r.mime_type_of(file_name_cstr)
! 387: << "; name=\"" << file_name_cstr << "\"\n";
! 388: // content-disposition: attachment; filename="user_file_name"
! 389: result << "content-disposition: attachment; filename=\"" << file_name_cstr << "\"\n";
! 390:
! 391: const String *type=vformat?&vformat->as_string():0;
! 392: if(!type/*default = uue*/ || *type=="uue") {
! 393: pa_uuencode(result, file_name_cstr, *vfile);
! 394: } else // for now
! 395: throw Exception("parser.runtime",
! 396: type,
! 397: "unknown attachment encode format");
! 398:
! 399: return result;
! 400: }
! 401:
! 402: static const String& text_value_to_string(Request& r, const String *source,
! 403: PartType pt, Value& send_value,
! 404: Store_message_element_info& info) {
! 405: Pool& pool=r.pool();
! 406: String& result=*new(pool) String(pool);
! 407:
! 408: Value *text_value;
! 409: bool has_content_type;
! 410: if(Hash *send_hash=send_value.get_hash(source)) {
! 411: // $.USER-HEADERS
! 412: info.has_content_type=false; // reset
! 413: send_hash->for_each(store_message_element, &info);
! 414: // $.value
! 415: text_value=static_cast<Value *>(send_hash->get(*value_name));
! 416: if(!text_value)
! 417: throw Exception("parser.runtime",
! 418: source,
! 419: "%s part has no $" VALUE_NAME, part_name_starts[pt]);
! 420: } else
! 421: text_value=&send_value;
! 422:
! 423: if(!info.has_content_type) {
! 424: result << "content-type: text/" << (pt==P_TEXT?"plain":"html");
! 425: if(info.charset)
! 426: result << "; charset=" << info.charset->name();
! 427: result << "\n";
! 428: }
! 429:
! 430: // header|body separator
! 431: result << "\n";
! 432:
! 433: // body
! 434: switch(pt) {
! 435: case P_TEXT:
! 436: result.append(text_value->as_string(), String::UL_AS_IS, true /* forced */);
! 437: break;
! 438: case P_HTML:
! 439: {
! 440: Temp_lang temp_lang(r, String::UL_HTML);
! 441: if(Junction *junction=text_value->get_junction()) {
! 442: // execution of found $.html{code} must be in context of ^send[...]
! 443: // setting code context, would execute in ^.send[>>context<<]
! 444: //junction->change_context(?.get_junction());
! 445: junction->root=r.root;
! 446: junction->rcontext=r.rcontext;
! 447: junction->wcontext=r.wcontext;
! 448:
! 449: result << r.process_to_string(*text_value);
! 450: } else
! 451: throw Exception("parser.runtime",
! 452: source,
! 453: "html part value must be code");
! 454:
! 455: break;
! 456: }
! 457: }
! 458:
! 459: return result;
! 460: };
! 461:
! 462: /// @todo files and messages in order (file, file2, ...)
! 463: const String& VMail::message_hash_to_string(Request& r, const String *source,
! 464: Hash *message_hash, int level,
! 465: const String **from, const String **to) {
! 466: if(!message_hash)
! 467: throw Exception("parser.runtime",
! 468: source,
! 469: "message must be hash");
! 470:
! 471: String& result=*NEW String(pool());
! 472:
! 473: Charset *charset;
! 474: if(Value *vrecodecharset_name=static_cast<Value *>(message_hash->get(*charset_name)))
! 475: charset=&charsets->get_charset(vrecodecharset_name->as_string());
! 476: else
! 477: charset=&pool().get_source_charset();
! 478:
! 479: Store_message_element_info info={
! 480: charset,
! 481: &result,
! 482: from, to
! 483: };
! 484: {
! 485: if(from)
! 486: *from=0;
! 487: if(to)
! 488: *to=0;
! 489: for(int pt=0; pt<P_TYPES_COUNT; pt++)
! 490: info.parts[pt]=NEW Array(pool());
! 491: message_hash->for_each(store_message_element, &info);
! 492: }
! 493:
! 494: int textCount=info.parts[P_TEXT]->size();
! 495: if(textCount>1)
! 496: throw Exception("parser.runtime",
! 497: source,
! 498: "multiple text parts not supported, use file part");
! 499: int htmlCount=info.parts[P_HTML]->size();
! 500: if(htmlCount>1)
! 501: throw Exception("parser.runtime",
! 502: source,
! 503: "multiple html parts not supported, use file part");
! 504:
! 505:
! 506: bool multipart=info.parts_count>1;
! 507: bool alternative=textCount && htmlCount;
! 508: // header
! 509: char *boundary=0;
! 510: if(multipart) {
! 511: boundary=(char *)malloc(MAX_NUMBER);
! 512: snprintf(boundary, MAX_NUMBER-5/*lEvEl*/, "lEvEl%d", level);
! 513: // multi-part
! 514: result << "content-type: multipart/mixed; boundary=\"" << boundary << "\"\n";
! 515: result << "\n"
! 516: "This is a multi-part message in MIME format.";
! 517: }
! 518:
! 519: // alternative or not
! 520: {
! 521: if(alternative) {
! 522: result << "\n\n--" << boundary << "\n"; // intermediate boundary
! 523: result << "content-type: multipart/alternative; boundary=\"ALT" << boundary << "\"\n";
! 524: }
! 525: for(int i=0; i<2; i++) {
! 526: PartType pt=i==0?P_TEXT:P_HTML;
! 527: if(info.parts[pt]->size()) {
! 528: if(alternative)
! 529: result << "\n\n--ALT" << boundary << "\n"; // intermediate boundary
! 530: else if(boundary)
! 531: result << "\n\n--" << boundary << "\n"; // intermediate boundary
! 532: result << text_value_to_string(r, source, pt,
! 533: *static_cast<Value *>(info.parts[pt]->get(0)), info);
! 534: }
! 535: }
! 536: if(alternative)
! 537: result << "\n\n--ALT" << boundary << "--\n";
! 538: }
! 539:
! 540: // files
! 541: {
! 542: Array& files=*info.parts[P_FILE];
! 543: for(int i=0; i<files.size(); i++) {
! 544: if(boundary)
! 545: result << "\n\n--" << boundary << "\n"; // intermediate boundary
! 546: result << file_value_to_string(r, source, *static_cast<Value *>(files.get(i)));
! 547: }
! 548: }
! 549:
! 550: // messages
! 551: {
! 552: Array& messages=*info.parts[P_MESSAGE];
! 553: for(int i=0; i<messages.size(); i++) {
! 554: if(boundary)
! 555: result << "\n\n--" << boundary << "\n"; // intermediate boundary
! 556:
! 557: result << message_hash_to_string(r, source,
! 558: static_cast<Value *>(messages.get(i))->get_hash(source),
! 559: level+1);
! 560: }
! 561: }
! 562:
! 563: // tailer
! 564: if(boundary)
! 565: result << "\n\n--" << boundary << "--\n"; // finish boundary
! 566:
! 567: // return
! 568: return result;
! 569: }
! 570:
! 571:
! 572: Value *VMail::get_element(const String& aname) {
! 573: // $fields
! 574: #ifdef WITH_MAIL_RECEIVE
! 575: if(aname==MAIL_RECEIVED_ELEMENT_NAME)
! 576: return &vreceived;
! 577: #endif
! 578:
! 579: // $CLASS,$method
! 580: if(Value *result=VStateless_class::get_element(aname))
! 581: return result;
! 582:
! 583: return 0;
! 584: }
! 585:
! 586: #if defined(WITH_MAIL_RECEIVE) && defined(_MSC_VER)
! 587: # define GNOME_LIBS "/parser3project/win32mailreceive/win32/gnome"
! 588: # pragma comment(lib, GNOME_LIBS "/glib/lib/libglib-1.3-11.lib")
! 589: # ifdef _DEBUG
! 590: # pragma comment(lib, GNOME_LIBS "/gmime-x.x.x/Debug/libgmime.lib")
! 591: # else
! 592: # pragma comment(lib, GNOME_LIBS "/gmime-x.x.x/Release/libgmime.lib")
! 593: # endif
! 594: #endif
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