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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:
1.16 ! paf 8: $Id: mail.C,v 1.15 2001/04/10 07:47:38 paf Exp $
1.1 paf 9: */
10:
11: #include "pa_config_includes.h"
12:
1.6 paf 13: #ifdef WIN32
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
99: result.APPEND_CLEAN((const char *)uue_table, 1/* one char */, 0, 0) << "\n"
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)))
116: vfile=value->as_vfile();
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:
149: struct Mail_info {
150: String *attribute_to_exclude;
151: String *header;
1.2 paf 152: const String **from, **to;
1.1 paf 153: };
154: static void add_header_attribute(const Hash::Key& aattribute, Hash::Val *ameaning,
155: void *info) {
156:
157: Value& lmeaning=*static_cast<Value *>(ameaning);
158: Mail_info& mi=*static_cast<Mail_info *>(info);
1.2 paf 159:
160: // exclude one attribute [body]
1.1 paf 161: if(aattribute==*mi.attribute_to_exclude)
162: return;
163:
1.2 paf 164: // fetch from & to from header for SMTP
165: if(mi.from && aattribute=="from")
166: *mi.from=&lmeaning.as_string();
167: if(mi.to && aattribute=="to")
168: *mi.to=&lmeaning.as_string();
169:
170: // append header line
1.10 paf 171: *mi.header <<
172: aattribute << ":" <<
173: attributed_meaning_to_string(lmeaning, String::UL_MAIL_HEADER) <<
174: "\n";
1.2 paf 175: }
176: struct Seq_item {
1.7 paf 177: const String *part_name;
1.2 paf 178: Value *part_value;
179: };
1.7 paf 180: static void add_part(const Hash::Key& part_name, Hash::Val *part_value,
1.2 paf 181: void *info) {
182: Seq_item **seq_ref=static_cast<Seq_item **>(info);
1.7 paf 183: (**seq_ref).part_name=&part_name;
1.2 paf 184: (**seq_ref).part_value=static_cast<Value *>(part_value);
185: (*seq_ref)++;
186: }
187: static double key_of_part(const void *item) {
1.7 paf 188: const char *cstr=static_cast<const Seq_item *>(item)->part_name->cstr();
1.2 paf 189: char *error_pos;
190: return strtod(cstr, &error_pos);
191: }
192: static int sort_cmp_string_double_value(const void *a, const void *b) {
193: double va=key_of_part(a);
194: double vb=key_of_part(b);
1.7 paf 195:
196: // 0 logically equals infinity. so that attachments would go last
197: if(va==0)
198: return +1;
199: if(vb==0)
200: return -1;
201:
1.2 paf 202: if(va<vb)
203: return -1;
204: else if(va>vb)
205: return +1;
206: else
207: return 0;
1.1 paf 208: }
1.2 paf 209: static const String& letter_hash_to_string(Request& r, const String& method_name,
210: Hash& letter_hash, int level,
211: const String **from, const String **to) {
212: Pool& pool=r.pool();
213:
214: // prepare header: 'hash' without "body"
215: String& result=*new(pool) String(pool);
1.15 paf 216: *from=*to=0;
1.2 paf 217: Mail_info mail_info={
218: /*excluding*/ body_name,
219: &result,
220: from, to
221: };
222: letter_hash.for_each(add_header_attribute, &mail_info);
223:
224: if(Value *body_element=static_cast<Value *>(letter_hash.get(*body_name))) {
225: if(Hash *body_hash=body_element->get_hash()) {
226: char *boundary=(char *)pool.malloc(MAX_NUMBER);
1.9 paf 227: snprintf(boundary, MAX_NUMBER-5/*lEvEl*/, "lEvEl%d", level);
1.2 paf 228: // multi-part
1.10 paf 229: result << "content-type: multipart/mixed; boundary=\"" << boundary << "\"\n";
230: result << "\n"
1.2 paf 231: "This is a multi-part message in MIME format.";
232:
1.3 paf 233: // body parts..
234: // ..collect
1.2 paf 235: Seq_item *seq=(Seq_item *)malloc(sizeof(Seq_item)*body_hash->size());
236: Seq_item *seq_ref=seq; body_hash->for_each(add_part, &seq_ref);
1.3 paf 237: // ..sort
1.2 paf 238: _qsort(seq, body_hash->size(), sizeof(Seq_item),
239: sort_cmp_string_double_value);
1.3 paf 240: // ..insert in 'seq' order
1.2 paf 241: for(int i=0; i<body_hash->size(); i++) {
242: // intermediate boundary
1.10 paf 243: result << "\n--" << boundary << "\n";
1.2 paf 244:
245: if(Hash *part_hash=seq[i].part_value->get_hash())
1.7 paf 246: if(seq[i].part_name->mid(0, 6/*attach*/)=="attach")
1.10 paf 247: result << attach_hash_to_string(r, *seq[i].part_name, *part_hash);
1.7 paf 248: else
1.10 paf 249: result << letter_hash_to_string(r, method_name, *part_hash,
1.7 paf 250: level+1, 0, 0);
1.2 paf 251: else
252: PTHROW(0, 0,
1.7 paf 253: seq[i].part_name,
1.2 paf 254: "part is not hash");
255: }
256:
257: // finish boundary
1.10 paf 258: result << "\n--" << boundary << "--\n";
1.2 paf 259: } else {
1.10 paf 260: result <<
261: "\n" << // header|body separator
262: body_element->as_string(); // body
1.2 paf 263: }
264: } else
265: PTHROW(0, 0,
266: &method_name,
267: "has no $body");
268:
269: return result;
270: }
271:
1.4 paf 272: static void sendmail(Request& r, const String& method_name,
273: const String& letter,
274: const String *from, const String *to) {
275: Pool& pool=r.pool();
276:
1.12 paf 277: char *letter_cstr=letter.cstr();
278:
1.15 paf 279: #ifdef WIN32
1.4 paf 280: if(!from)
281: PTHROW(0, 0,
282: &method_name,
1.15 paf 283: "has no 'from' header specified");
1.4 paf 284: if(!to)
285: PTHROW(0, 0,
286: &method_name,
1.15 paf 287: "has no 'to' header specified");
1.4 paf 288:
289: SMTP& smtp=*new(pool) SMTP(pool, method_name);
1.5 paf 290: Value *server_port;
1.4 paf 291: // $MAIN:MAIL.SMTP[mail.design.ru]
1.5 paf 292: if(r.mail &&
293: (server_port=static_cast<Value *>(r.mail->get(
294: *new(pool) String(pool, "SMTP"))))) {
295: char *server=server_port->as_string().cstr();
1.11 paf 296: const char *port=rsplit(server, ':');
1.4 paf 297: if(!port)
1.11 paf 298: port="25";
1.4 paf 299:
300: smtp.Send(server, port, letter_cstr, from->cstr(), to->cstr());
301: } else
302: PTHROW(0, 0,
303: &method_name,
1.13 paf 304: "$"MAIN_CLASS_NAME":"MAIL_NAME".SMTP not defined");
1.4 paf 305: #else
1.12 paf 306: // unix
1.13 paf 307: // $MAIN:MAIL.prog1["/usr/sbin/sendmail -t"] default
308: // $MAIN:MAIL.prog2["/usr/lib/sendmail -t"] default
1.12 paf 309: if(r.mail) {
310: char no_cstr[MAX_NUMBER];
1.13 paf 311: for(int no=-2; ; no++) {
312: const String *prog_string;
313: switch(no) {
314: case -2: prog_string=new(pool) String(pool, "/usr/sbin/sendmail -t"); break;
315: case -1: prog_string=new(pool) String(pool, "/usr/lib/sendmail -t"); break;
316: default:
317: {
318: String prog_key(pool, "prog");
319: snprintf(no_cstr, MAX_NUMBER, "%d", no);
320: prog_key << no_cstr;
321: if(Value *prog_value=static_cast<Value *>(r.mail->get(prog_key)))
322: prog_string=&prog_value->as_string();
323: else
324: if(no==0)
325: continue;
326: else
327: PTHROW(0, 0,
328: &method_name,
329: "$"MAIN_CLASS_NAME":"MAIL_NAME".%s not defined",
330: prog_key.cstr());
1.12 paf 331: }
1.13 paf 332: }
333: // we know prog_string here
334: Array argv(pool);
335: const String *file_spec;
336: int after_file_spec=prog_string->pos(" ", 1);
337: if(after_file_spec<=0)
338: file_spec=prog_string;
339: else {
340: size_t pos_after=after_file_spec;
341: file_spec=&prog_string->mid(0, pos_after);
342: prog_string->split(argv, &pos_after, " ", 1, String::UL_CLEAN);
343: }
1.12 paf 344:
1.14 paf 345: // skip unavailable default programs
346: if(no<0 && !file_executable(*file_spec))
1.13 paf 347: continue;
348:
349: String in(pool, letter_cstr); String out(pool); String err(pool);
350: int exit_status=pa_exec(*file_spec,
351: 0/*default env*/,
352: &argv,
353: in, out, err);
354: if(exit_status || err.size())
1.12 paf 355: PTHROW(0, 0,
356: &method_name,
1.13 paf 357: "'%s' reported problem: %s (%d)",
358: file_spec->cstr(),
359: err.size()?err.cstr():"UNKNOWN",
360: exit_status);
361: break;
1.12 paf 362: }
363: } else
364: PTHROW(0, 0,
365: &method_name,
1.13 paf 366: "$"MAIN_CLASS_NAME":"MAIL_NAME" not defined");
1.4 paf 367: #endif
368: }
369:
1.7 paf 370:
371: // methods
372:
1.1 paf 373: static void _send(Request& r, const String& method_name, Array *params) {
374: Pool& pool=r.pool();
375:
376: Value& vhash=*static_cast<Value *>(params->get(0));
377: // forcing [this body type]
378: r.fail_if_junction_(true, vhash, method_name, "message must not be code");
379:
380: Hash *hash=vhash.get_hash();
381: if(!hash)
382: PTHROW(0, 0,
383: &method_name,
384: "message must be hash");
385:
1.2 paf 386: const String *from, *to;
1.4 paf 387: const String& letter=letter_hash_to_string(r, method_name, *hash, 0, &from, &to);
1.1 paf 388:
1.10 paf 389: //r.write_assign_lang(*new(pool) VString(letter));
390: sendmail(r, method_name, letter, from, to);
1.6 paf 391: }
392:
1.1 paf 393: // initialize
394: void initialize_mail_class(Pool& pool, VStateless_class& vclass) {
395: // ^mail:send{hash}
396: vclass.add_native_method("send", Method::CT_STATIC, _send, 1, 1);
397: }