Annotation of parser3/src/classes/mail.C, revision 1.32
1.1 paf 1: /** @file
2: Parser: @b mail parser class.
3:
4: Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)
5:
6: Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf)
7:
1.32 ! parser 8: $Id: mail.C,v 1.31 2001/06/28 07:44:17 parser Exp $
1.1 paf 9: */
1.32 ! parser 10: static const char *RCSId="$Id: mail.C,v 1.31 2001/06/28 07:44:17 parser Exp $";
1.1 paf 11:
12: #include "pa_config_includes.h"
13:
1.19 paf 14: #ifdef _MSC_VER
1.6 paf 15: # include "smtp/smtp.h"
16: #endif
17:
1.1 paf 18: #include "pa_common.h"
19: #include "pa_request.h"
1.6 paf 20: #include "pa_vfile.h"
1.12 paf 21: #include "pa_exec.h"
1.4 paf 22:
1.23 paf 23: // defines
1.1 paf 24:
1.23 paf 25: #define MAIL_CLASS_NAME "mail"
26:
1.25 paf 27: #define MAIL_NAME "MAIL"
28:
29: // global variable
30:
31: Methoded *mail_class;
32:
1.23 paf 33: // class
34:
35: class MMail : public Methoded {
36: public:
37: MMail(Pool& pool);
1.24 paf 38: public: // Methoded
1.23 paf 39: bool used_directly() { return true; }
1.24 paf 40: void configure_user(Request& r);
1.25 paf 41: private:
42: String mail_name;
43: String content_disposition_name;
44: String content_disposition_filename_name;
1.23 paf 45: };
1.1 paf 46:
1.7 paf 47: // helpers
48:
1.10 paf 49: // uuencode
50:
51: static unsigned char uue_table[64] = {
52: '`', '!', '"', '#', '$', '%', '&', '\'',
53: '(', ')', '*', '+', ',', '-', '.', '/',
54: '0', '1', '2', '3', '4', '5', '6', '7',
55: '8', '9', ':', ';', '<', '=', '>', '?',
56: '@', 'A', 'B', 'C', 'D', 'E', 'F', 'G',
57: 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
58: 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
59: 'X', 'Y', 'Z', '[', '\\',']', '^', '_'
60: };
1.8 paf 61: static void uuencode(String& result, const char *file_name_cstr, const VFile& vfile) {
1.10 paf 62: //header
63: result << "content-transfer-encoding: x-uuencode\n" << "\n";
64: result << "begin 644 " << file_name_cstr << "\n";
65:
66: //body
1.16 paf 67: const unsigned char *in=(const unsigned char *)vfile.value_ptr();
68: size_t in_length=vfile.value_size();
1.10 paf 69:
70: int count=45;
1.16 paf 71: for(const unsigned char *itemp=in; itemp<(in+in_length); itemp+=count) {
72: int index;
1.10 paf 73:
74: if((itemp+count)>(in+in_length))
75: count=in_length-(itemp-in);
76:
77: char *buf=(char *)result.pool().malloc(MAX_STRING);
78: char *optr=buf;
79:
80: /*
81: * for UU and XX, encode the number of bytes as first character
82: */
83: *optr++ = uue_table[count];
84:
85: for (index=0; index<=count-3; index+=3) {
86: *optr++ = uue_table[itemp[index] >> 2];
87: *optr++ = uue_table[((itemp[index ] & 0x03) << 4) | (itemp[index+1] >> 4)];
88: *optr++ = uue_table[((itemp[index+1] & 0x0f) << 2) | (itemp[index+2] >> 6)];
89: *optr++ = uue_table[ itemp[index+2] & 0x3f];
90: }
91:
92: /*
93: * Special handlitempg for itempcomplete litempes
94: */
95: if (index != count) {
96: if (count - index == 2) {
97: *optr++ = uue_table[itemp[index] >> 2];
98: *optr++ = uue_table[((itemp[index ] & 0x03) << 4) |
99: ( itemp[index+1] >> 4)];
100: *optr++ = uue_table[((itemp[index+1] & 0x0f) << 2)];
101: *optr++ = uue_table[0];
102: }
103: else if (count - index == 1) {
104: *optr++ = uue_table[ itemp[index] >> 2];
105: *optr++ = uue_table[(itemp[index] & 0x03) << 4];
106: *optr++ = uue_table[0];
107: *optr++ = uue_table[0];
108: }
109: }
110: /*
111: * end of line
112: */
113: *optr++ = '\n';
114: *optr = 0;
115: result << buf;
116: }
117:
118: //footer
1.21 paf 119: result.APPEND_AS_IS((const char *)uue_table, 1/* one char */, 0, 0) << "\n"
1.10 paf 120: "end\n";
1.8 paf 121: }
122:
1.7 paf 123: /// ^mail:send[$attach[$type[uue|mime64] $value[DATA]]]
124: static const String& attach_hash_to_string(Request& r, const String& origin_string,
125: Hash& attach_hash) {
126: Pool& pool=r.pool();
127:
128: Value *vtype=static_cast<Value *>(attach_hash.get(*new(pool) String(pool, "type")));
129: if(!vtype)
130: PTHROW(0, 0,
131: &origin_string,
132: "has no $type");
133:
1.8 paf 134: const VFile *vfile;
135: if(Value *value=static_cast<Value *>(attach_hash.get(*value_name)))
1.17 paf 136: vfile=value->as_vfile(String::UL_AS_IS); // bad with html attaches. todo: solve
1.8 paf 137: else
1.7 paf 138: PTHROW(0, 0,
139: &origin_string,
140: "has no $value");
141:
142: const String *file_name;
143: if(Value *vfile_name=static_cast<Value *>(attach_hash.get(
1.8 paf 144: *new(pool) String(pool, "file-name")))) // specified $file-name
1.7 paf 145: file_name=&vfile_name->as_string();
1.16 paf 146: else // no $file-name, VFile surely knows name
147: file_name=&static_cast<Value *>(vfile->fields().get(*name_name))->as_string();
1.8 paf 148: const char *file_name_cstr=file_name->cstr(String::UL_FILE_NAME);
1.7 paf 149:
150: String& result=*new(pool) String(pool);
151:
1.10 paf 152: // content-type: application/octet-stream
153: result << "content-type: " << r.mime_type_of(file_name_cstr) << "\n";
1.7 paf 154: // content-disposition: attachment; filename="user_file_name"
1.10 paf 155: result << "content-disposition: attachment; filename=\"" << file_name_cstr << "\"\n";
1.7 paf 156:
157: const String& type=vtype->as_string();
158: if(type=="uue") {
1.8 paf 159: uuencode(result, file_name_cstr, *vfile);
1.7 paf 160: } else
161: PTHROW(0, 0,
162: &type,
163: "unknown encode type");
164:
165: return result;
166: }
167:
1.1 paf 168:
1.20 paf 169: static bool find_content_type(const Hash::Key& aattribute, Hash::Val *ameaning,
170: void *) {
171: return StrEqNc(aattribute.cstr(), CONTENT_TYPE_NAME);
172: }
173: static bool find_content_type_charset(const Hash::Key& aattribute, Hash::Val *ameaning,
174: void *) {
175: return StrEqNc(aattribute.cstr(), "charset");
176: }
177:
1.22 paf 178: /// used by mail: _send / letter_hash_to_string / add_header_attribute
1.1 paf 179: struct Mail_info {
180: String *attribute_to_exclude;
1.20 paf 181: const char *charset;
1.1 paf 182: String *header;
1.2 paf 183: const String **from, **to;
1.1 paf 184: };
185: static void add_header_attribute(const Hash::Key& aattribute, Hash::Val *ameaning,
186: void *info) {
187:
188: Value& lmeaning=*static_cast<Value *>(ameaning);
189: Mail_info& mi=*static_cast<Mail_info *>(info);
1.2 paf 190:
191: // exclude one attribute [body]
1.1 paf 192: if(aattribute==*mi.attribute_to_exclude)
193: return;
194:
1.2 paf 195: // fetch from & to from header for SMTP
196: if(mi.from && aattribute=="from")
197: *mi.from=&lmeaning.as_string();
198: if(mi.to && aattribute=="to")
199: *mi.to=&lmeaning.as_string();
200:
201: // append header line
1.10 paf 202: *mi.header <<
203: aattribute << ":" <<
1.20 paf 204: attributed_meaning_to_string(lmeaning, String::UL_MAIL_HEADER).
205: cstr(String::UL_UNSPECIFIED, 0, mi.charset) <<
1.10 paf 206: "\n";
1.2 paf 207: }
1.22 paf 208:
209: /// used in mail: _send / letter_hash_to_string / add_part
1.28 paf 210: struct Mail_seq_item {
1.7 paf 211: const String *part_name;
1.2 paf 212: Value *part_value;
213: };
1.7 paf 214: static void add_part(const Hash::Key& part_name, Hash::Val *part_value,
1.2 paf 215: void *info) {
1.28 paf 216: Mail_seq_item **seq_ref=static_cast<Mail_seq_item **>(info);
1.7 paf 217: (**seq_ref).part_name=&part_name;
1.2 paf 218: (**seq_ref).part_value=static_cast<Value *>(part_value);
219: (*seq_ref)++;
220: }
221: static double key_of_part(const void *item) {
1.28 paf 222: const char *cstr=static_cast<const Mail_seq_item *>(item)->part_name->cstr();
1.2 paf 223: char *error_pos;
224: return strtod(cstr, &error_pos);
225: }
226: static int sort_cmp_string_double_value(const void *a, const void *b) {
227: double va=key_of_part(a);
228: double vb=key_of_part(b);
1.7 paf 229:
230: // 0 logically equals infinity. so that attachments would go last
231: if(va==0)
232: return +1;
233: if(vb==0)
234: return -1;
235:
1.2 paf 236: if(va<vb)
237: return -1;
238: else if(va>vb)
239: return +1;
240: else
241: return 0;
1.1 paf 242: }
1.2 paf 243: static const String& letter_hash_to_string(Request& r, const String& method_name,
244: Hash& letter_hash, int level,
245: const String **from, const String **to) {
246: Pool& pool=r.pool();
247:
248: // prepare header: 'hash' without "body"
249: String& result=*new(pool) String(pool);
1.20 paf 250:
251: const char *charset=0;
252: if(Value *content_type=
253: static_cast<Value *>(letter_hash.first_that(find_content_type)))
254: if(Hash *hash=content_type->get_hash())
255: if(Value *content_type_charset=
256: static_cast<Value *>(hash->first_that(find_content_type_charset)))
257: charset=content_type_charset->as_string().cstr();
258:
1.15 paf 259: *from=*to=0;
1.2 paf 260: Mail_info mail_info={
261: /*excluding*/ body_name,
1.20 paf 262: charset,
1.2 paf 263: &result,
264: from, to
265: };
266: letter_hash.for_each(add_header_attribute, &mail_info);
267:
268: if(Value *body_element=static_cast<Value *>(letter_hash.get(*body_name))) {
269: if(Hash *body_hash=body_element->get_hash()) {
270: char *boundary=(char *)pool.malloc(MAX_NUMBER);
1.9 paf 271: snprintf(boundary, MAX_NUMBER-5/*lEvEl*/, "lEvEl%d", level);
1.2 paf 272: // multi-part
1.10 paf 273: result << "content-type: multipart/mixed; boundary=\"" << boundary << "\"\n";
274: result << "\n"
1.2 paf 275: "This is a multi-part message in MIME format.";
276:
1.3 paf 277: // body parts..
278: // ..collect
1.28 paf 279: Mail_seq_item *seq=(Mail_seq_item *)malloc(sizeof(Mail_seq_item)*body_hash->size());
280: Mail_seq_item *seq_ref=seq; body_hash->for_each(add_part, &seq_ref);
1.3 paf 281: // ..sort
1.28 paf 282: _qsort(seq, body_hash->size(), sizeof(Mail_seq_item),
1.2 paf 283: sort_cmp_string_double_value);
1.3 paf 284: // ..insert in 'seq' order
1.2 paf 285: for(int i=0; i<body_hash->size(); i++) {
286: // intermediate boundary
1.10 paf 287: result << "\n--" << boundary << "\n";
1.2 paf 288:
289: if(Hash *part_hash=seq[i].part_value->get_hash())
1.7 paf 290: if(seq[i].part_name->mid(0, 6/*attach*/)=="attach")
1.10 paf 291: result << attach_hash_to_string(r, *seq[i].part_name, *part_hash);
1.7 paf 292: else
1.10 paf 293: result << letter_hash_to_string(r, method_name, *part_hash,
1.7 paf 294: level+1, 0, 0);
1.2 paf 295: else
296: PTHROW(0, 0,
1.7 paf 297: seq[i].part_name,
1.2 paf 298: "part is not hash");
299: }
300:
301: // finish boundary
1.10 paf 302: result << "\n--" << boundary << "--\n";
1.2 paf 303: } else {
1.10 paf 304: result <<
305: "\n" << // header|body separator
306: body_element->as_string(); // body
1.2 paf 307: }
308: } else
309: PTHROW(0, 0,
310: &method_name,
311: "has no $body");
312:
313: return result;
314: }
315:
1.4 paf 316: static void sendmail(Request& r, const String& method_name,
317: const String& letter,
318: const String *from, const String *to) {
319: Pool& pool=r.pool();
320:
1.12 paf 321: char *letter_cstr=letter.cstr();
1.25 paf 322: Hash *mail_conf=static_cast<Hash *>(r.classes_conf.get(mail_class->name()));
1.12 paf 323:
1.19 paf 324: #ifdef _MSC_VER
1.4 paf 325: if(!from)
326: PTHROW(0, 0,
327: &method_name,
1.15 paf 328: "has no 'from' header specified");
1.4 paf 329: if(!to)
330: PTHROW(0, 0,
331: &method_name,
1.15 paf 332: "has no 'to' header specified");
1.4 paf 333:
334: SMTP& smtp=*new(pool) SMTP(pool, method_name);
1.5 paf 335: Value *server_port;
1.29 parser 336: // $MAIN:MAIL.SMTP[mail.yourdomain.ru[:port]]
1.25 paf 337: if(mail_conf &&
338: (server_port=static_cast<Value *>(mail_conf->get(
1.5 paf 339: *new(pool) String(pool, "SMTP"))))) {
340: char *server=server_port->as_string().cstr();
1.11 paf 341: const char *port=rsplit(server, ':');
1.4 paf 342: if(!port)
1.11 paf 343: port="25";
1.4 paf 344:
345: smtp.Send(server, port, letter_cstr, from->cstr(), to->cstr());
346: } else
347: PTHROW(0, 0,
348: &method_name,
1.13 paf 349: "$"MAIN_CLASS_NAME":"MAIL_NAME".SMTP not defined");
1.4 paf 350: #else
1.12 paf 351: // unix
1.13 paf 352: // $MAIN:MAIL.prog1["/usr/sbin/sendmail -t"] default
353: // $MAIN:MAIL.prog2["/usr/lib/sendmail -t"] default
1.25 paf 354: if(mail_conf) {
1.12 paf 355: char no_cstr[MAX_NUMBER];
1.13 paf 356: for(int no=-2; ; no++) {
357: const String *prog_string;
358: switch(no) {
359: case -2: prog_string=new(pool) String(pool, "/usr/sbin/sendmail -t"); break;
360: case -1: prog_string=new(pool) String(pool, "/usr/lib/sendmail -t"); break;
361: default:
362: {
363: String prog_key(pool, "prog");
364: snprintf(no_cstr, MAX_NUMBER, "%d", no);
365: prog_key << no_cstr;
1.25 paf 366: if(Value *prog_value=static_cast<Value *>(mail_conf->get(prog_key)))
1.13 paf 367: prog_string=&prog_value->as_string();
368: else
369: if(no==0)
370: continue;
371: else
372: PTHROW(0, 0,
373: &method_name,
374: "$"MAIN_CLASS_NAME":"MAIL_NAME".%s not defined",
375: prog_key.cstr());
1.12 paf 376: }
1.13 paf 377: }
378: // we know prog_string here
379: Array argv(pool);
380: const String *file_spec;
381: int after_file_spec=prog_string->pos(" ", 1);
382: if(after_file_spec<=0)
383: file_spec=prog_string;
384: else {
385: size_t pos_after=after_file_spec;
386: file_spec=&prog_string->mid(0, pos_after);
387: prog_string->split(argv, &pos_after, " ", 1, String::UL_CLEAN);
388: }
1.12 paf 389:
1.14 paf 390: // skip unavailable default programs
391: if(no<0 && !file_executable(*file_spec))
1.13 paf 392: continue;
393:
394: String in(pool, letter_cstr); String out(pool); String err(pool);
395: int exit_status=pa_exec(*file_spec,
396: 0/*default env*/,
397: &argv,
398: in, out, err);
399: if(exit_status || err.size())
1.12 paf 400: PTHROW(0, 0,
401: &method_name,
1.13 paf 402: "'%s' reported problem: %s (%d)",
403: file_spec->cstr(),
404: err.size()?err.cstr():"UNKNOWN",
405: exit_status);
406: break;
1.12 paf 407: }
408: } else
409: PTHROW(0, 0,
410: &method_name,
1.24 paf 411: "$" MAIN_CLASS_NAME ":" MAIL_NAME " not defined");
1.4 paf 412: #endif
413: }
414:
1.7 paf 415:
416: // methods
417:
1.18 paf 418: static void _send(Request& r, const String& method_name, MethodParams *params) {
1.1 paf 419: Pool& pool=r.pool();
420:
1.32 ! parser 421: Value& vhash=params->as_no_junction(0, "message must not be code");
1.1 paf 422: Hash *hash=vhash.get_hash();
423: if(!hash)
424: PTHROW(0, 0,
425: &method_name,
426: "message must be hash");
427:
1.2 paf 428: const String *from, *to;
1.4 paf 429: const String& letter=letter_hash_to_string(r, method_name, *hash, 0, &from, &to);
1.1 paf 430:
1.21 paf 431: // r.write_assign_lang(*new(pool) VString(letter));
432: sendmail(r, method_name, letter, from, to);
1.6 paf 433: }
434:
1.24 paf 435: // constructor & configurator
1.23 paf 436:
1.25 paf 437: MMail::MMail(Pool& apool) : Methoded(apool),
438: mail_name(apool, MAIL_NAME),
439: content_disposition_name(apool, CONTENT_DISPOSITION_NAME),
440: content_disposition_filename_name(apool, CONTENT_DISPOSITION_FILENAME_NAME)
441: {
1.23 paf 442: set_name(*NEW String(pool(), MAIL_CLASS_NAME));
443:
1.27 paf 444: // ^mail:send{hash}
1.23 paf 445: add_native_method("send", Method::CT_STATIC, _send, 1, 1);
1.24 paf 446: }
447:
448: void MMail::configure_user(Request& r) {
449: Pool& pool=r.pool();
450:
451: // $MAIN:MAIL[$SMTP[mail.design.ru]]
1.25 paf 452: if(Value *mail_element=r.main_class->get_element(mail_name))
453: if(Hash *mail_conf=mail_element->get_hash())
454: r.classes_conf.put(name(), mail_conf);
455: else
1.24 paf 456: PTHROW(0, 0,
457: 0,
458: "$" MAIL_CLASS_NAME ":" MAIL_NAME " is not hash");
1.23 paf 459: }
460:
461: // creator
462:
463: Methoded *MMail_create(Pool& pool) {
464: return mail_class=new(pool) MMail(pool);
1.1 paf 465: }
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