Annotation of parser3/src/classes/mail.C, revision 1.48
1.1 paf 1: /** @file
2: Parser: @b mail parser class.
3:
4: Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)
1.44 paf 5: Author: Alexander Petrosyan <paf@design.ru> (http://paf.design.ru)
1.1 paf 6:
1.48 ! paf 7: $Id: mail.C,v 1.47 2001/12/19 12:26:11 paf Exp $
1.1 paf 8: */
9:
10: #include "pa_config_includes.h"
11:
1.19 paf 12: #ifdef _MSC_VER
1.6 paf 13: # include "smtp/smtp.h"
14: #endif
15:
1.1 paf 16: #include "pa_common.h"
17: #include "pa_request.h"
1.6 paf 18: #include "pa_vfile.h"
1.12 paf 19: #include "pa_exec.h"
1.45 paf 20: #include "pa_charsets.h"
21: #include "pa_charset.h"
1.4 paf 22:
1.23 paf 23: // defines
1.1 paf 24:
1.23 paf 25: #define MAIL_CLASS_NAME "mail"
26:
1.25 paf 27: #define MAIL_NAME "MAIL"
28:
29: // global variable
30:
31: Methoded *mail_class;
32:
1.47 paf 33: // consts
34:
35: const int ATTACHMENT_WEIGHT=100;
36:
1.23 paf 37: // class
38:
39: class MMail : public Methoded {
40: public:
41: MMail(Pool& pool);
1.24 paf 42: public: // Methoded
1.23 paf 43: bool used_directly() { return true; }
1.24 paf 44: void configure_user(Request& r);
1.25 paf 45: private:
46: String mail_name;
47: String content_disposition_name;
48: String content_disposition_filename_name;
1.23 paf 49: };
1.1 paf 50:
1.7 paf 51: // helpers
52:
1.10 paf 53: // uuencode
54:
55: static unsigned char uue_table[64] = {
56: '`', '!', '"', '#', '$', '%', '&', '\'',
57: '(', ')', '*', '+', ',', '-', '.', '/',
58: '0', '1', '2', '3', '4', '5', '6', '7',
59: '8', '9', ':', ';', '<', '=', '>', '?',
60: '@', 'A', 'B', 'C', 'D', 'E', 'F', 'G',
61: 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
62: 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
63: 'X', 'Y', 'Z', '[', '\\',']', '^', '_'
64: };
1.8 paf 65: static void uuencode(String& result, const char *file_name_cstr, const VFile& vfile) {
1.10 paf 66: //header
67: result << "content-transfer-encoding: x-uuencode\n" << "\n";
68: result << "begin 644 " << file_name_cstr << "\n";
69:
70: //body
1.16 paf 71: const unsigned char *in=(const unsigned char *)vfile.value_ptr();
72: size_t in_length=vfile.value_size();
1.10 paf 73:
74: int count=45;
1.16 paf 75: for(const unsigned char *itemp=in; itemp<(in+in_length); itemp+=count) {
76: int index;
1.10 paf 77:
78: if((itemp+count)>(in+in_length))
79: count=in_length-(itemp-in);
80:
81: char *buf=(char *)result.pool().malloc(MAX_STRING);
82: char *optr=buf;
83:
84: /*
85: * for UU and XX, encode the number of bytes as first character
86: */
87: *optr++ = uue_table[count];
88:
89: for (index=0; index<=count-3; index+=3) {
90: *optr++ = uue_table[itemp[index] >> 2];
91: *optr++ = uue_table[((itemp[index ] & 0x03) << 4) | (itemp[index+1] >> 4)];
92: *optr++ = uue_table[((itemp[index+1] & 0x0f) << 2) | (itemp[index+2] >> 6)];
93: *optr++ = uue_table[ itemp[index+2] & 0x3f];
94: }
95:
96: /*
97: * Special handlitempg for itempcomplete litempes
98: */
99: if (index != count) {
100: if (count - index == 2) {
101: *optr++ = uue_table[itemp[index] >> 2];
102: *optr++ = uue_table[((itemp[index ] & 0x03) << 4) |
103: ( itemp[index+1] >> 4)];
104: *optr++ = uue_table[((itemp[index+1] & 0x0f) << 2)];
105: *optr++ = uue_table[0];
106: }
107: else if (count - index == 1) {
108: *optr++ = uue_table[ itemp[index] >> 2];
109: *optr++ = uue_table[(itemp[index] & 0x03) << 4];
110: *optr++ = uue_table[0];
111: *optr++ = uue_table[0];
112: }
113: }
114: /*
115: * end of line
116: */
117: *optr++ = '\n';
118: *optr = 0;
119: result << buf;
120: }
121:
122: //footer
1.21 paf 123: result.APPEND_AS_IS((const char *)uue_table, 1/* one char */, 0, 0) << "\n"
1.10 paf 124: "end\n";
1.8 paf 125: }
126:
1.33 parser 127: /** ^mail:send[$attach[$type[uue|mime64] $value[DATA]]]
128: @todo solve - bad with html attaches
129: */
1.7 paf 130: static const String& attach_hash_to_string(Request& r, const String& origin_string,
131: Hash& attach_hash) {
132: Pool& pool=r.pool();
133:
1.46 paf 134: Value *vformat=static_cast<Value *>(attach_hash.get(*new(pool) String(pool, "format")));
1.7 paf 135:
1.8 paf 136: const VFile *vfile;
137: if(Value *value=static_cast<Value *>(attach_hash.get(*value_name)))
1.17 paf 138: vfile=value->as_vfile(String::UL_AS_IS); // bad with html attaches. todo: solve
1.8 paf 139: else
1.41 parser 140: throw Exception(0, 0,
1.7 paf 141: &origin_string,
142: "has no $value");
143:
144: const String *file_name;
145: if(Value *vfile_name=static_cast<Value *>(attach_hash.get(
1.8 paf 146: *new(pool) String(pool, "file-name")))) // specified $file-name
1.7 paf 147: file_name=&vfile_name->as_string();
1.16 paf 148: else // no $file-name, VFile surely knows name
149: file_name=&static_cast<Value *>(vfile->fields().get(*name_name))->as_string();
1.48 ! paf 150: const char *file_name_cstr=file_name->cstr();
1.7 paf 151:
152: String& result=*new(pool) String(pool);
153:
1.10 paf 154: // content-type: application/octet-stream
155: result << "content-type: " << r.mime_type_of(file_name_cstr) << "\n";
1.7 paf 156: // content-disposition: attachment; filename="user_file_name"
1.10 paf 157: result << "content-disposition: attachment; filename=\"" << file_name_cstr << "\"\n";
1.7 paf 158:
1.46 paf 159: const String *type=vformat?&vformat->as_string():0;
160: if(!type/*default = uue*/ || *type=="uue") {
1.8 paf 161: uuencode(result, file_name_cstr, *vfile);
1.46 paf 162: } else // for now
1.41 parser 163: throw Exception(0, 0,
1.46 paf 164: type,
165: "unknown attachment encode format");
1.7 paf 166:
167: return result;
168: }
169:
1.1 paf 170:
1.36 parser 171: #ifndef DOXYGEN
1.1 paf 172: struct Mail_info {
1.45 paf 173: Charset *charset;
1.1 paf 174: String *header;
1.2 paf 175: const String **from, **to;
1.1 paf 176: };
1.36 parser 177: #endif
1.1 paf 178: static void add_header_attribute(const Hash::Key& aattribute, Hash::Val *ameaning,
179: void *info) {
180:
181: Value& lmeaning=*static_cast<Value *>(ameaning);
182: Mail_info& mi=*static_cast<Mail_info *>(info);
1.2 paf 183:
184: // exclude one attribute [body]
1.45 paf 185: if(aattribute==BODY_NAME
186: || aattribute==CHARSET_NAME)
1.1 paf 187: return;
188:
1.2 paf 189: // fetch from & to from header for SMTP
190: if(mi.from && aattribute=="from")
191: *mi.from=&lmeaning.as_string();
192: if(mi.to && aattribute=="to")
193: *mi.to=&lmeaning.as_string();
194:
195: // append header line
1.10 paf 196: *mi.header <<
197: aattribute << ":" <<
1.20 paf 198: attributed_meaning_to_string(lmeaning, String::UL_MAIL_HEADER).
199: cstr(String::UL_UNSPECIFIED, 0, mi.charset) <<
1.10 paf 200: "\n";
1.2 paf 201: }
1.22 paf 202:
1.36 parser 203: #ifndef DOXYGEN
1.28 paf 204: struct Mail_seq_item {
1.47 paf 205: int weight;
206: const String *name;
207: Value *value;
1.2 paf 208: };
1.36 parser 209: #endif
1.47 paf 210: static int get_part_name_weight(const Hash::Key& part_name) {
211: const char *cstr=part_name.cstr();
212: int offset=0;
213: if(strncmp(cstr, "text", 4)==0) {
214: cstr+=4;
215: } else if(strncmp(cstr, "attach", 6)==0) {
216: cstr+=6;
217: offset=ATTACHMENT_WEIGHT;
218: } else
219: throw Exception(0, 0,
220: &part_name,
221: "is neither text# nor attach#");
222:
223: char *error_pos;
224: return strtol(cstr, &error_pos, 10)+offset;
225: }
1.7 paf 226: static void add_part(const Hash::Key& part_name, Hash::Val *part_value,
1.2 paf 227: void *info) {
1.28 paf 228: Mail_seq_item **seq_ref=static_cast<Mail_seq_item **>(info);
1.47 paf 229: (**seq_ref).weight=get_part_name_weight(part_name);
230: (**seq_ref).name=&part_name;
231: (**seq_ref).value=static_cast<Value *>(part_value);
1.2 paf 232: (*seq_ref)++;
233: }
1.47 paf 234: static int key_of_part(const void *item) {
235: return static_cast<const Mail_seq_item *>(item)->weight;
1.2 paf 236: }
237: static int sort_cmp_string_double_value(const void *a, const void *b) {
1.47 paf 238: return key_of_part(a)-key_of_part(b);
1.1 paf 239: }
1.2 paf 240: static const String& letter_hash_to_string(Request& r, const String& method_name,
241: Hash& letter_hash, int level,
242: const String **from, const String **to) {
243: Pool& pool=r.pool();
244:
245: // prepare header: 'hash' without "body"
246: String& result=*new(pool) String(pool);
1.20 paf 247:
1.45 paf 248: Charset *charset;
249: if(Value *vcharset_name=static_cast<Value *>(letter_hash.get(*charset_name)))
250: charset=&charsets->get_charset(vcharset_name->as_string());
251: else
252: charset=&pool.get_source_charset();
1.20 paf 253:
1.46 paf 254: if(from)
255: *from=0;
256: if(to)
257: *to=0;
1.2 paf 258: Mail_info mail_info={
1.20 paf 259: charset,
1.2 paf 260: &result,
261: from, to
262: };
263: letter_hash.for_each(add_header_attribute, &mail_info);
264:
265: if(Value *body_element=static_cast<Value *>(letter_hash.get(*body_name))) {
1.42 parser 266: if(Hash *body_hash=body_element->get_hash(&method_name)) {
1.3 paf 267: // body parts..
268: // ..collect
1.35 parser 269: Mail_seq_item *seq=(Mail_seq_item *)pool.malloc(sizeof(Mail_seq_item)*body_hash->size());
1.28 paf 270: Mail_seq_item *seq_ref=seq; body_hash->for_each(add_part, &seq_ref);
1.3 paf 271: // ..sort
1.28 paf 272: _qsort(seq, body_hash->size(), sizeof(Mail_seq_item),
1.2 paf 273: sort_cmp_string_double_value);
1.48 ! paf 274:
! 275: bool multipart=body_hash->size()>1;
! 276: // header
! 277: char *boundary=0;
! 278: if(multipart) {
! 279: boundary=(char *)pool.malloc(MAX_NUMBER);
! 280: snprintf(boundary, MAX_NUMBER-5/*lEvEl*/, "lEvEl%d", level);
! 281: // multi-part
! 282: result << "content-type: multipart/mixed; boundary=\"" << boundary << "\"\n";
! 283: result << "\n"
! 284: "This is a multi-part message in MIME format.";
! 285: }
! 286:
1.3 paf 287: // ..insert in 'seq' order
1.2 paf 288: for(int i=0; i<body_hash->size(); i++) {
1.48 ! paf 289: if(multipart) {
! 290: // intermediate boundary
! 291: result << "\n--" << boundary << "\n";
! 292: }
1.2 paf 293:
1.47 paf 294: if(Hash *part_hash=seq[i].value->get_hash(&method_name))
295: if(seq[i].weight>=ATTACHMENT_WEIGHT)
296: result << attach_hash_to_string(r, *seq[i].name, *part_hash);
1.7 paf 297: else
1.10 paf 298: result << letter_hash_to_string(r, method_name, *part_hash,
1.7 paf 299: level+1, 0, 0);
1.2 paf 300: else
1.41 parser 301: throw Exception(0, 0,
1.47 paf 302: seq[i].name,
1.2 paf 303: "part is not hash");
304: }
305:
306: // finish boundary
1.48 ! paf 307: if(multipart) {
! 308: result << "\n--" << boundary << "--\n";
! 309: }
1.2 paf 310: } else {
1.10 paf 311: result <<
1.45 paf 312: "\n"; // header|body separator
313:
314: const String& body=body_element->as_string();
315: const void *body_ptr=body.cstr(); // body
316: size_t body_size=body.size(); // body
317: const void *mail_ptr;
318: size_t mail_size;
319: Charset::transcode(pool,
320: pool.get_source_charset(), body_ptr, body_size,
321: *charset/*always set - either mail.charset or $request:charset*/, mail_ptr, mail_size);
322: result.APPEND_CLEAN((const char*)mail_ptr, mail_size, 0, 0);
1.2 paf 323: }
324: } else
1.41 parser 325: throw Exception(0, 0,
1.2 paf 326: &method_name,
327: "has no $body");
328:
329: return result;
330: }
331:
1.4 paf 332: static void sendmail(Request& r, const String& method_name,
333: const String& letter,
334: const String *from, const String *to) {
335: Pool& pool=r.pool();
336:
1.12 paf 337: char *letter_cstr=letter.cstr();
1.25 paf 338: Hash *mail_conf=static_cast<Hash *>(r.classes_conf.get(mail_class->name()));
1.12 paf 339:
1.19 paf 340: #ifdef _MSC_VER
1.4 paf 341: if(!from)
1.41 parser 342: throw Exception(0, 0,
1.4 paf 343: &method_name,
1.15 paf 344: "has no 'from' header specified");
1.4 paf 345: if(!to)
1.41 parser 346: throw Exception(0, 0,
1.4 paf 347: &method_name,
1.15 paf 348: "has no 'to' header specified");
1.4 paf 349:
350: SMTP& smtp=*new(pool) SMTP(pool, method_name);
1.5 paf 351: Value *server_port;
1.29 parser 352: // $MAIN:MAIL.SMTP[mail.yourdomain.ru[:port]]
1.25 paf 353: if(mail_conf &&
354: (server_port=static_cast<Value *>(mail_conf->get(
1.5 paf 355: *new(pool) String(pool, "SMTP"))))) {
356: char *server=server_port->as_string().cstr();
1.11 paf 357: const char *port=rsplit(server, ':');
1.4 paf 358: if(!port)
1.11 paf 359: port="25";
1.4 paf 360:
361: smtp.Send(server, port, letter_cstr, from->cstr(), to->cstr());
362: } else
1.41 parser 363: throw Exception(0, 0,
1.4 paf 364: &method_name,
1.13 paf 365: "$"MAIN_CLASS_NAME":"MAIL_NAME".SMTP not defined");
1.4 paf 366: #else
1.12 paf 367: // unix
1.13 paf 368: // $MAIN:MAIL.prog1["/usr/sbin/sendmail -t"] default
369: // $MAIN:MAIL.prog2["/usr/lib/sendmail -t"] default
1.36 parser 370: char no_cstr[MAX_NUMBER];
371: for(int no=-2; ; no++) {
372: const String *prog_string;
373: switch(no) {
374: case -2: prog_string=new(pool) String(pool, "/usr/sbin/sendmail -t"); break;
375: case -1: prog_string=new(pool) String(pool, "/usr/lib/sendmail -t"); break;
376: default:
377: {
378: String prog_key(pool, "prog");
379: snprintf(no_cstr, MAX_NUMBER, "%d", no);
380: prog_key << no_cstr;
381: if(mail_conf) {
1.25 paf 382: if(Value *prog_value=static_cast<Value *>(mail_conf->get(prog_key)))
1.13 paf 383: prog_string=&prog_value->as_string();
384: else
385: if(no==0)
386: continue;
387: else
1.41 parser 388: throw Exception(0, 0,
1.13 paf 389: &method_name,
390: "$"MAIN_CLASS_NAME":"MAIL_NAME".%s not defined",
391: prog_key.cstr());
1.36 parser 392: } else
1.41 parser 393: throw Exception(0, 0,
1.36 parser 394: &method_name,
395: "$" MAIN_CLASS_NAME ":" MAIL_NAME " not defined");
1.13 paf 396: }
1.36 parser 397: }
398: // we know prog_string here
399: Array argv(pool);
400: const String *file_spec;
401: int after_file_spec=prog_string->pos(" ", 1);
402: if(after_file_spec<=0)
403: file_spec=prog_string;
404: else {
405: size_t pos_after=after_file_spec;
406: file_spec=&prog_string->mid(0, pos_after);
407: prog_string->split(argv, &pos_after, " ", 1, String::UL_CLEAN);
408: }
1.12 paf 409:
1.36 parser 410: // skip unavailable default programs
411: if(no<0 && !file_executable(*file_spec))
412: continue;
413:
414: String in(pool, letter_cstr); String out(pool); String err(pool);
415: int exit_status=pa_exec(*file_spec,
416: 0/*default env*/,
417: &argv,
418: in, out, err);
419: if(exit_status || err.size())
1.41 parser 420: throw Exception(0, 0,
1.36 parser 421: &method_name,
422: "'%s' reported problem: %s (%d)",
423: file_spec->cstr(),
424: err.size()?err.cstr():"UNKNOWN",
425: exit_status);
426: break;
427: }
1.4 paf 428: #endif
429: }
430:
1.7 paf 431:
432: // methods
433:
1.18 paf 434: static void _send(Request& r, const String& method_name, MethodParams *params) {
1.1 paf 435: Pool& pool=r.pool();
436:
1.32 parser 437: Value& vhash=params->as_no_junction(0, "message must not be code");
1.42 parser 438: Hash *hash=vhash.get_hash(&method_name);
1.1 paf 439: if(!hash)
1.41 parser 440: throw Exception(0, 0,
1.1 paf 441: &method_name,
442: "message must be hash");
443:
1.2 paf 444: const String *from, *to;
1.4 paf 445: const String& letter=letter_hash_to_string(r, method_name, *hash, 0, &from, &to);
1.1 paf 446:
1.21 paf 447: // r.write_assign_lang(*new(pool) VString(letter));
448: sendmail(r, method_name, letter, from, to);
1.6 paf 449: }
450:
1.24 paf 451: // constructor & configurator
1.23 paf 452:
1.25 paf 453: MMail::MMail(Pool& apool) : Methoded(apool),
454: mail_name(apool, MAIL_NAME),
455: content_disposition_name(apool, CONTENT_DISPOSITION_NAME),
456: content_disposition_filename_name(apool, CONTENT_DISPOSITION_FILENAME_NAME)
457: {
1.23 paf 458: set_name(*NEW String(pool(), MAIL_CLASS_NAME));
459:
1.27 paf 460: // ^mail:send{hash}
1.23 paf 461: add_native_method("send", Method::CT_STATIC, _send, 1, 1);
1.24 paf 462: }
463:
464: void MMail::configure_user(Request& r) {
465: Pool& pool=r.pool();
466:
467: // $MAIN:MAIL[$SMTP[mail.design.ru]]
1.25 paf 468: if(Value *mail_element=r.main_class->get_element(mail_name))
1.42 parser 469: if(Hash *mail_conf=mail_element->get_hash(0))
1.25 paf 470: r.classes_conf.put(name(), mail_conf);
471: else
1.41 parser 472: throw Exception(0, 0,
1.24 paf 473: 0,
474: "$" MAIL_CLASS_NAME ":" MAIL_NAME " is not hash");
1.23 paf 475: }
476:
477: // creator
478:
479: Methoded *MMail_create(Pool& pool) {
480: return mail_class=new(pool) MMail(pool);
1.1 paf 481: }
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