Annotation of parser3/src/classes/mail.C, revision 1.22
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:
1.22 ! paf 8: $Id: mail.C,v 1.21 2001/04/23 09:38:40 paf Exp $
1.1 paf 9: */
10:
11: #include "pa_config_includes.h"
12:
1.19 paf 13: #ifdef _MSC_VER
1.6 paf 14: # include "smtp/smtp.h"
15: #endif
16:
1.1 paf 17: #include "_mail.h"
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:
1.1 paf 23: // global var
24:
25: VStateless_class *mail_class;
26:
1.7 paf 27: // helpers
28:
1.10 paf 29: // uuencode
30:
31: static unsigned char uue_table[64] = {
32: '`', '!', '"', '#', '$', '%', '&', '\'',
33: '(', ')', '*', '+', ',', '-', '.', '/',
34: '0', '1', '2', '3', '4', '5', '6', '7',
35: '8', '9', ':', ';', '<', '=', '>', '?',
36: '@', 'A', 'B', 'C', 'D', 'E', 'F', 'G',
37: 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
38: 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
39: 'X', 'Y', 'Z', '[', '\\',']', '^', '_'
40: };
1.8 paf 41: static void uuencode(String& result, const char *file_name_cstr, const VFile& vfile) {
1.10 paf 42: //header
43: result << "content-transfer-encoding: x-uuencode\n" << "\n";
44: result << "begin 644 " << file_name_cstr << "\n";
45:
46: //body
1.16 paf 47: const unsigned char *in=(const unsigned char *)vfile.value_ptr();
48: size_t in_length=vfile.value_size();
1.10 paf 49:
50: int count=45;
1.16 paf 51: for(const unsigned char *itemp=in; itemp<(in+in_length); itemp+=count) {
52: int index;
1.10 paf 53:
54: if((itemp+count)>(in+in_length))
55: count=in_length-(itemp-in);
56:
57: char *buf=(char *)result.pool().malloc(MAX_STRING);
58: char *optr=buf;
59:
60: /*
61: * for UU and XX, encode the number of bytes as first character
62: */
63: *optr++ = uue_table[count];
64:
65: for (index=0; index<=count-3; index+=3) {
66: *optr++ = uue_table[itemp[index] >> 2];
67: *optr++ = uue_table[((itemp[index ] & 0x03) << 4) | (itemp[index+1] >> 4)];
68: *optr++ = uue_table[((itemp[index+1] & 0x0f) << 2) | (itemp[index+2] >> 6)];
69: *optr++ = uue_table[ itemp[index+2] & 0x3f];
70: }
71:
72: /*
73: * Special handlitempg for itempcomplete litempes
74: */
75: if (index != count) {
76: if (count - index == 2) {
77: *optr++ = uue_table[itemp[index] >> 2];
78: *optr++ = uue_table[((itemp[index ] & 0x03) << 4) |
79: ( itemp[index+1] >> 4)];
80: *optr++ = uue_table[((itemp[index+1] & 0x0f) << 2)];
81: *optr++ = uue_table[0];
82: }
83: else if (count - index == 1) {
84: *optr++ = uue_table[ itemp[index] >> 2];
85: *optr++ = uue_table[(itemp[index] & 0x03) << 4];
86: *optr++ = uue_table[0];
87: *optr++ = uue_table[0];
88: }
89: }
90: /*
91: * end of line
92: */
93: *optr++ = '\n';
94: *optr = 0;
95: result << buf;
96: }
97:
98: //footer
1.21 paf 99: result.APPEND_AS_IS((const char *)uue_table, 1/* one char */, 0, 0) << "\n"
1.10 paf 100: "end\n";
1.8 paf 101: }
102:
1.7 paf 103: /// ^mail:send[$attach[$type[uue|mime64] $value[DATA]]]
104: static const String& attach_hash_to_string(Request& r, const String& origin_string,
105: Hash& attach_hash) {
106: Pool& pool=r.pool();
107:
108: Value *vtype=static_cast<Value *>(attach_hash.get(*new(pool) String(pool, "type")));
109: if(!vtype)
110: PTHROW(0, 0,
111: &origin_string,
112: "has no $type");
113:
1.8 paf 114: const VFile *vfile;
115: if(Value *value=static_cast<Value *>(attach_hash.get(*value_name)))
1.17 paf 116: vfile=value->as_vfile(String::UL_AS_IS); // bad with html attaches. todo: solve
1.8 paf 117: else
1.7 paf 118: PTHROW(0, 0,
119: &origin_string,
120: "has no $value");
121:
122: const String *file_name;
123: if(Value *vfile_name=static_cast<Value *>(attach_hash.get(
1.8 paf 124: *new(pool) String(pool, "file-name")))) // specified $file-name
1.7 paf 125: file_name=&vfile_name->as_string();
1.16 paf 126: else // no $file-name, VFile surely knows name
127: file_name=&static_cast<Value *>(vfile->fields().get(*name_name))->as_string();
1.8 paf 128: const char *file_name_cstr=file_name->cstr(String::UL_FILE_NAME);
1.7 paf 129:
130: String& result=*new(pool) String(pool);
131:
1.10 paf 132: // content-type: application/octet-stream
133: result << "content-type: " << r.mime_type_of(file_name_cstr) << "\n";
1.7 paf 134: // content-disposition: attachment; filename="user_file_name"
1.10 paf 135: result << "content-disposition: attachment; filename=\"" << file_name_cstr << "\"\n";
1.7 paf 136:
137: const String& type=vtype->as_string();
138: if(type=="uue") {
1.8 paf 139: uuencode(result, file_name_cstr, *vfile);
1.7 paf 140: } else
141: PTHROW(0, 0,
142: &type,
143: "unknown encode type");
144:
145: return result;
146: }
147:
1.1 paf 148:
1.20 paf 149: static bool find_content_type(const Hash::Key& aattribute, Hash::Val *ameaning,
150: void *) {
151: return StrEqNc(aattribute.cstr(), CONTENT_TYPE_NAME);
152: }
153: static bool find_content_type_charset(const Hash::Key& aattribute, Hash::Val *ameaning,
154: void *) {
155: return StrEqNc(aattribute.cstr(), "charset");
156: }
157:
1.22 ! paf 158: /// used by mail: _send / letter_hash_to_string / add_header_attribute
1.1 paf 159: struct Mail_info {
160: String *attribute_to_exclude;
1.20 paf 161: const char *charset;
1.1 paf 162: String *header;
1.2 paf 163: const String **from, **to;
1.1 paf 164: };
165: static void add_header_attribute(const Hash::Key& aattribute, Hash::Val *ameaning,
166: void *info) {
167:
168: Value& lmeaning=*static_cast<Value *>(ameaning);
169: Mail_info& mi=*static_cast<Mail_info *>(info);
1.2 paf 170:
171: // exclude one attribute [body]
1.1 paf 172: if(aattribute==*mi.attribute_to_exclude)
173: return;
174:
1.2 paf 175: // fetch from & to from header for SMTP
176: if(mi.from && aattribute=="from")
177: *mi.from=&lmeaning.as_string();
178: if(mi.to && aattribute=="to")
179: *mi.to=&lmeaning.as_string();
180:
181: // append header line
1.10 paf 182: *mi.header <<
183: aattribute << ":" <<
1.20 paf 184: attributed_meaning_to_string(lmeaning, String::UL_MAIL_HEADER).
185: cstr(String::UL_UNSPECIFIED, 0, mi.charset) <<
1.10 paf 186: "\n";
1.2 paf 187: }
1.22 ! paf 188:
! 189: /// used in mail: _send / letter_hash_to_string / add_part
1.2 paf 190: struct Seq_item {
1.7 paf 191: const String *part_name;
1.2 paf 192: Value *part_value;
193: };
1.7 paf 194: static void add_part(const Hash::Key& part_name, Hash::Val *part_value,
1.2 paf 195: void *info) {
196: Seq_item **seq_ref=static_cast<Seq_item **>(info);
1.7 paf 197: (**seq_ref).part_name=&part_name;
1.2 paf 198: (**seq_ref).part_value=static_cast<Value *>(part_value);
199: (*seq_ref)++;
200: }
201: static double key_of_part(const void *item) {
1.7 paf 202: const char *cstr=static_cast<const Seq_item *>(item)->part_name->cstr();
1.2 paf 203: char *error_pos;
204: return strtod(cstr, &error_pos);
205: }
206: static int sort_cmp_string_double_value(const void *a, const void *b) {
207: double va=key_of_part(a);
208: double vb=key_of_part(b);
1.7 paf 209:
210: // 0 logically equals infinity. so that attachments would go last
211: if(va==0)
212: return +1;
213: if(vb==0)
214: return -1;
215:
1.2 paf 216: if(va<vb)
217: return -1;
218: else if(va>vb)
219: return +1;
220: else
221: return 0;
1.1 paf 222: }
1.2 paf 223: static const String& letter_hash_to_string(Request& r, const String& method_name,
224: Hash& letter_hash, int level,
225: const String **from, const String **to) {
226: Pool& pool=r.pool();
227:
228: // prepare header: 'hash' without "body"
229: String& result=*new(pool) String(pool);
1.20 paf 230:
231: const char *charset=0;
232: if(Value *content_type=
233: static_cast<Value *>(letter_hash.first_that(find_content_type)))
234: if(Hash *hash=content_type->get_hash())
235: if(Value *content_type_charset=
236: static_cast<Value *>(hash->first_that(find_content_type_charset)))
237: charset=content_type_charset->as_string().cstr();
238:
1.15 paf 239: *from=*to=0;
1.2 paf 240: Mail_info mail_info={
241: /*excluding*/ body_name,
1.20 paf 242: charset,
1.2 paf 243: &result,
244: from, to
245: };
246: letter_hash.for_each(add_header_attribute, &mail_info);
247:
248: if(Value *body_element=static_cast<Value *>(letter_hash.get(*body_name))) {
249: if(Hash *body_hash=body_element->get_hash()) {
250: char *boundary=(char *)pool.malloc(MAX_NUMBER);
1.9 paf 251: snprintf(boundary, MAX_NUMBER-5/*lEvEl*/, "lEvEl%d", level);
1.2 paf 252: // multi-part
1.10 paf 253: result << "content-type: multipart/mixed; boundary=\"" << boundary << "\"\n";
254: result << "\n"
1.2 paf 255: "This is a multi-part message in MIME format.";
256:
1.3 paf 257: // body parts..
258: // ..collect
1.2 paf 259: Seq_item *seq=(Seq_item *)malloc(sizeof(Seq_item)*body_hash->size());
260: Seq_item *seq_ref=seq; body_hash->for_each(add_part, &seq_ref);
1.3 paf 261: // ..sort
1.2 paf 262: _qsort(seq, body_hash->size(), sizeof(Seq_item),
263: sort_cmp_string_double_value);
1.3 paf 264: // ..insert in 'seq' order
1.2 paf 265: for(int i=0; i<body_hash->size(); i++) {
266: // intermediate boundary
1.10 paf 267: result << "\n--" << boundary << "\n";
1.2 paf 268:
269: if(Hash *part_hash=seq[i].part_value->get_hash())
1.7 paf 270: if(seq[i].part_name->mid(0, 6/*attach*/)=="attach")
1.10 paf 271: result << attach_hash_to_string(r, *seq[i].part_name, *part_hash);
1.7 paf 272: else
1.10 paf 273: result << letter_hash_to_string(r, method_name, *part_hash,
1.7 paf 274: level+1, 0, 0);
1.2 paf 275: else
276: PTHROW(0, 0,
1.7 paf 277: seq[i].part_name,
1.2 paf 278: "part is not hash");
279: }
280:
281: // finish boundary
1.10 paf 282: result << "\n--" << boundary << "--\n";
1.2 paf 283: } else {
1.10 paf 284: result <<
285: "\n" << // header|body separator
286: body_element->as_string(); // body
1.2 paf 287: }
288: } else
289: PTHROW(0, 0,
290: &method_name,
291: "has no $body");
292:
293: return result;
294: }
295:
1.4 paf 296: static void sendmail(Request& r, const String& method_name,
297: const String& letter,
298: const String *from, const String *to) {
299: Pool& pool=r.pool();
300:
1.12 paf 301: char *letter_cstr=letter.cstr();
302:
1.19 paf 303: #ifdef _MSC_VER
1.4 paf 304: if(!from)
305: PTHROW(0, 0,
306: &method_name,
1.15 paf 307: "has no 'from' header specified");
1.4 paf 308: if(!to)
309: PTHROW(0, 0,
310: &method_name,
1.15 paf 311: "has no 'to' header specified");
1.4 paf 312:
313: SMTP& smtp=*new(pool) SMTP(pool, method_name);
1.5 paf 314: Value *server_port;
1.4 paf 315: // $MAIN:MAIL.SMTP[mail.design.ru]
1.5 paf 316: if(r.mail &&
317: (server_port=static_cast<Value *>(r.mail->get(
318: *new(pool) String(pool, "SMTP"))))) {
319: char *server=server_port->as_string().cstr();
1.11 paf 320: const char *port=rsplit(server, ':');
1.4 paf 321: if(!port)
1.11 paf 322: port="25";
1.4 paf 323:
324: smtp.Send(server, port, letter_cstr, from->cstr(), to->cstr());
325: } else
326: PTHROW(0, 0,
327: &method_name,
1.13 paf 328: "$"MAIN_CLASS_NAME":"MAIL_NAME".SMTP not defined");
1.4 paf 329: #else
1.12 paf 330: // unix
1.13 paf 331: // $MAIN:MAIL.prog1["/usr/sbin/sendmail -t"] default
332: // $MAIN:MAIL.prog2["/usr/lib/sendmail -t"] default
1.12 paf 333: if(r.mail) {
334: char no_cstr[MAX_NUMBER];
1.13 paf 335: for(int no=-2; ; no++) {
336: const String *prog_string;
337: switch(no) {
338: case -2: prog_string=new(pool) String(pool, "/usr/sbin/sendmail -t"); break;
339: case -1: prog_string=new(pool) String(pool, "/usr/lib/sendmail -t"); break;
340: default:
341: {
342: String prog_key(pool, "prog");
343: snprintf(no_cstr, MAX_NUMBER, "%d", no);
344: prog_key << no_cstr;
345: if(Value *prog_value=static_cast<Value *>(r.mail->get(prog_key)))
346: prog_string=&prog_value->as_string();
347: else
348: if(no==0)
349: continue;
350: else
351: PTHROW(0, 0,
352: &method_name,
353: "$"MAIN_CLASS_NAME":"MAIL_NAME".%s not defined",
354: prog_key.cstr());
1.12 paf 355: }
1.13 paf 356: }
357: // we know prog_string here
358: Array argv(pool);
359: const String *file_spec;
360: int after_file_spec=prog_string->pos(" ", 1);
361: if(after_file_spec<=0)
362: file_spec=prog_string;
363: else {
364: size_t pos_after=after_file_spec;
365: file_spec=&prog_string->mid(0, pos_after);
366: prog_string->split(argv, &pos_after, " ", 1, String::UL_CLEAN);
367: }
1.12 paf 368:
1.14 paf 369: // skip unavailable default programs
370: if(no<0 && !file_executable(*file_spec))
1.13 paf 371: continue;
372:
373: String in(pool, letter_cstr); String out(pool); String err(pool);
374: int exit_status=pa_exec(*file_spec,
375: 0/*default env*/,
376: &argv,
377: in, out, err);
378: if(exit_status || err.size())
1.12 paf 379: PTHROW(0, 0,
380: &method_name,
1.13 paf 381: "'%s' reported problem: %s (%d)",
382: file_spec->cstr(),
383: err.size()?err.cstr():"UNKNOWN",
384: exit_status);
385: break;
1.12 paf 386: }
387: } else
388: PTHROW(0, 0,
389: &method_name,
1.13 paf 390: "$"MAIN_CLASS_NAME":"MAIL_NAME" not defined");
1.4 paf 391: #endif
392: }
393:
1.7 paf 394:
395: // methods
396:
1.22 ! paf 397: /// ^mail:send{hash}
1.18 paf 398: static void _send(Request& r, const String& method_name, MethodParams *params) {
1.1 paf 399: Pool& pool=r.pool();
400:
1.18 paf 401: Value& vhash=params->get_no_junction(0, "message must not be code");
1.1 paf 402: Hash *hash=vhash.get_hash();
403: if(!hash)
404: PTHROW(0, 0,
405: &method_name,
406: "message must be hash");
407:
1.2 paf 408: const String *from, *to;
1.4 paf 409: const String& letter=letter_hash_to_string(r, method_name, *hash, 0, &from, &to);
1.1 paf 410:
1.21 paf 411: // r.write_assign_lang(*new(pool) VString(letter));
412: sendmail(r, method_name, letter, from, to);
1.6 paf 413: }
414:
1.1 paf 415: // initialize
416: void initialize_mail_class(Pool& pool, VStateless_class& vclass) {
1.22 ! paf 417: /// ^mail:send{hash}
1.1 paf 418: vclass.add_native_method("send", Method::CT_STATIC, _send, 1, 1);
419: }
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