Annotation of parser3/src/classes/mail.C, revision 1.88
1.1 paf 1: /** @file
2: Parser: @b mail parser class.
3:
1.88 ! paf 4: Copyright (c) 2001, 2003 ArtLebedev Group (http://www.artlebedev.com)
1.54 paf 5: Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)
1.73 paf 6: */
1.1 paf 7:
1.88 ! paf 8: static const char* IDENT_MAIL_C="$Date: 2002/12/26 14:01:46 $";
1.1 paf 9:
10: #include "pa_config_includes.h"
11:
12: #include "pa_common.h"
13: #include "pa_request.h"
1.6 paf 14: #include "pa_vfile.h"
1.12 paf 15: #include "pa_exec.h"
1.45 paf 16: #include "pa_charsets.h"
17: #include "pa_charset.h"
1.67 paf 18: #include "pa_uue.h"
1.50 paf 19:
20: #ifdef _MSC_VER
21: # include "smtp/smtp.h"
22: #endif
1.4 paf 23:
1.23 paf 24: // defines
1.1 paf 25:
1.23 paf 26: #define MAIL_CLASS_NAME "mail"
27:
1.25 paf 28: #define MAIL_NAME "MAIL"
29:
1.67 paf 30: // consts
1.25 paf 31:
1.67 paf 32: const int ATTACHMENT_WEIGHT=100;
1.25 paf 33:
1.67 paf 34: // global variable
1.47 paf 35:
1.67 paf 36: Methoded *mail_base_class;
1.47 paf 37:
1.23 paf 38: // class
39:
40: class MMail : public Methoded {
41: public:
42: MMail(Pool& pool);
1.24 paf 43: public: // Methoded
1.67 paf 44: bool used_directly() { return false; }
1.68 paf 45: void configure_user(Request& r);
1.25 paf 46: private:
47: String mail_name;
1.23 paf 48: };
1.1 paf 49:
1.33 parser 50: /** ^mail:send[$attach[$type[uue|mime64] $value[DATA]]]
51: @todo solve - bad with html attaches
52: */
1.7 paf 53: static const String& attach_hash_to_string(Request& r, const String& origin_string,
54: Hash& attach_hash) {
55: Pool& pool=r.pool();
56:
1.46 paf 57: Value *vformat=static_cast<Value *>(attach_hash.get(*new(pool) String(pool, "format")));
1.7 paf 58:
1.8 paf 59: const VFile *vfile;
60: if(Value *value=static_cast<Value *>(attach_hash.get(*value_name)))
1.17 paf 61: vfile=value->as_vfile(String::UL_AS_IS); // bad with html attaches. todo: solve
1.8 paf 62: else
1.60 paf 63: throw Exception("parser.runtime",
1.7 paf 64: &origin_string,
65: "has no $value");
66:
67: const String *file_name;
68: if(Value *vfile_name=static_cast<Value *>(attach_hash.get(
1.8 paf 69: *new(pool) String(pool, "file-name")))) // specified $file-name
1.7 paf 70: file_name=&vfile_name->as_string();
1.16 paf 71: else // no $file-name, VFile surely knows name
72: file_name=&static_cast<Value *>(vfile->fields().get(*name_name))->as_string();
1.48 paf 73: const char *file_name_cstr=file_name->cstr();
1.7 paf 74:
75: String& result=*new(pool) String(pool);
76:
1.10 paf 77: // content-type: application/octet-stream
1.64 paf 78: result << "content-type: " << r.mime_type_of(file_name_cstr)
79: << "; name=\"" << file_name_cstr << "\"\n";
1.7 paf 80: // content-disposition: attachment; filename="user_file_name"
1.10 paf 81: result << "content-disposition: attachment; filename=\"" << file_name_cstr << "\"\n";
1.7 paf 82:
1.46 paf 83: const String *type=vformat?&vformat->as_string():0;
84: if(!type/*default = uue*/ || *type=="uue") {
1.67 paf 85: pa_uuencode(result, file_name_cstr, *vfile);
1.46 paf 86: } else // for now
1.60 paf 87: throw Exception("parser.runtime",
1.46 paf 88: type,
89: "unknown attachment encode format");
1.7 paf 90:
91: return result;
92: }
93:
1.1 paf 94:
1.36 parser 95: #ifndef DOXYGEN
1.1 paf 96: struct Mail_info {
1.61 paf 97: Charset *charset; const char *content_charset_name;
1.1 paf 98: String *header;
1.84 paf 99: const String **from;
100: String **to;
1.72 paf 101: const String *errors_to;
1.83 paf 102: bool mime_version_specified;
1.1 paf 103: };
1.36 parser 104: #endif
1.70 paf 105:
1.84 paf 106: String& extractEmails(const String& string);
1.72 paf 107: static void add_header_attribute(const Hash::Key& raw_element_name, Hash::Val *aelement_value,
1.1 paf 108: void *info) {
1.72 paf 109: Value& element_value=*static_cast<Value *>(aelement_value);
110: const String& low_element_name=raw_element_name.change_case(raw_element_name.pool(), String::CC_LOWER);
1.1 paf 111: Mail_info& mi=*static_cast<Mail_info *>(info);
1.2 paf 112:
113: // exclude one attribute [body]
1.72 paf 114: if(low_element_name==BODY_NAME
115: || low_element_name==CHARSET_NAME)
1.1 paf 116: return;
117:
1.2 paf 118: // fetch from & to from header for SMTP
1.72 paf 119: if(mi.from && low_element_name=="from")
1.84 paf 120: *mi.from=&extractEmails(element_value.as_string());
1.72 paf 121: if(mi.to && low_element_name=="to")
1.84 paf 122: *mi.to=&extractEmails(element_value.as_string());
1.72 paf 123: if(low_element_name=="errors-to")
1.84 paf 124: mi.errors_to=&extractEmails(element_value.as_string());
1.83 paf 125: if(low_element_name=="mime-version")
126: mi.mime_version_specified=true;
1.2 paf 127:
128: // append header line
1.10 paf 129: *mi.header <<
1.72 paf 130: low_element_name << ":" <<
1.82 paf 131: attributed_meaning_to_string(element_value, String::UL_MAIL_HEADER, true).
1.61 paf 132: cstr(String::UL_UNSPECIFIED, 0, mi.charset, mi.content_charset_name) <<
1.10 paf 133: "\n";
1.2 paf 134: }
1.22 paf 135:
1.36 parser 136: #ifndef DOXYGEN
1.28 paf 137: struct Mail_seq_item {
1.47 paf 138: int weight;
139: const String *name;
140: Value *value;
1.2 paf 141: };
1.36 parser 142: #endif
1.47 paf 143: static int get_part_name_weight(const Hash::Key& part_name) {
144: const char *cstr=part_name.cstr();
145: int offset=0;
146: if(strncmp(cstr, "text", 4)==0) {
147: cstr+=4;
148: } else if(strncmp(cstr, "attach", 6)==0) {
149: cstr+=6;
150: offset=ATTACHMENT_WEIGHT;
151: } else
1.60 paf 152: throw Exception("parser.runtime",
1.47 paf 153: &part_name,
154: "is neither text# nor attach#");
155:
156: char *error_pos;
157: return strtol(cstr, &error_pos, 10)+offset;
158: }
1.7 paf 159: static void add_part(const Hash::Key& part_name, Hash::Val *part_value,
1.2 paf 160: void *info) {
1.28 paf 161: Mail_seq_item **seq_ref=static_cast<Mail_seq_item **>(info);
1.47 paf 162: (**seq_ref).weight=get_part_name_weight(part_name);
163: (**seq_ref).name=&part_name;
164: (**seq_ref).value=static_cast<Value *>(part_value);
1.2 paf 165: (*seq_ref)++;
166: }
1.47 paf 167: static int key_of_part(const void *item) {
168: return static_cast<const Mail_seq_item *>(item)->weight;
1.2 paf 169: }
170: static int sort_cmp_string_double_value(const void *a, const void *b) {
1.47 paf 171: return key_of_part(a)-key_of_part(b);
1.1 paf 172: }
1.67 paf 173: static const String& message_hash_to_string(Request& r, const String& method_name,
174: Hash& message_hash, int level,
1.84 paf 175: const String **from, String **to) {
1.2 paf 176: Pool& pool=r.pool();
177:
178: // prepare header: 'hash' without "body"
179: String& result=*new(pool) String(pool);
1.20 paf 180:
1.45 paf 181: Charset *charset;
1.67 paf 182: if(Value *vrecodecharset_name=static_cast<Value *>(message_hash.get(*charset_name)))
1.61 paf 183: charset=&charsets->get_charset(vrecodecharset_name->as_string());
1.45 paf 184: else
185: charset=&pool.get_source_charset();
1.20 paf 186:
1.61 paf 187: const char *content_charset_name=0;
1.67 paf 188: if(Value *vcontent_type=static_cast<Value *>(message_hash.get(*content_type_name)))
1.61 paf 189: if(Hash *hcontent_type=vcontent_type->get_hash(0))
190: if(Value *vcontentcharset_name=static_cast<Value *>(hcontent_type->get(*charset_name)))
191: content_charset_name=vcontentcharset_name->as_string().cstr();
192:
1.46 paf 193: if(from)
194: *from=0;
195: if(to)
196: *to=0;
1.2 paf 197: Mail_info mail_info={
1.61 paf 198: charset, content_charset_name,
1.2 paf 199: &result,
200: from, to
201: };
1.67 paf 202: message_hash.for_each(add_header_attribute, &mail_info);
1.72 paf 203: if(!mail_info.errors_to)
204: result << "errors-to: postmaster\n"; // errors-to: default
1.83 paf 205: if(!mail_info.mime_version_specified)
206: result << "MIME-Version: 1.0\n"; // MIME-Version: default
1.2 paf 207:
1.67 paf 208: if(Value *body_element=static_cast<Value *>(message_hash.get(*body_name))) {
1.42 parser 209: if(Hash *body_hash=body_element->get_hash(&method_name)) {
1.3 paf 210: // body parts..
211: // ..collect
1.35 parser 212: Mail_seq_item *seq=(Mail_seq_item *)pool.malloc(sizeof(Mail_seq_item)*body_hash->size());
1.28 paf 213: Mail_seq_item *seq_ref=seq; body_hash->for_each(add_part, &seq_ref);
1.3 paf 214: // ..sort
1.28 paf 215: _qsort(seq, body_hash->size(), sizeof(Mail_seq_item),
1.2 paf 216: sort_cmp_string_double_value);
1.48 paf 217:
218: bool multipart=body_hash->size()>1;
219: // header
220: char *boundary=0;
221: if(multipart) {
222: boundary=(char *)pool.malloc(MAX_NUMBER);
223: snprintf(boundary, MAX_NUMBER-5/*lEvEl*/, "lEvEl%d", level);
224: // multi-part
225: result << "content-type: multipart/mixed; boundary=\"" << boundary << "\"\n";
226: result << "\n"
227: "This is a multi-part message in MIME format.";
228: }
229:
1.3 paf 230: // ..insert in 'seq' order
1.2 paf 231: for(int i=0; i<body_hash->size(); i++) {
1.48 paf 232: if(multipart) {
233: // intermediate boundary
234: result << "\n--" << boundary << "\n";
235: }
1.2 paf 236:
1.47 paf 237: if(Hash *part_hash=seq[i].value->get_hash(&method_name))
238: if(seq[i].weight>=ATTACHMENT_WEIGHT)
239: result << attach_hash_to_string(r, *seq[i].name, *part_hash);
1.7 paf 240: else
1.67 paf 241: result << message_hash_to_string(r, method_name, *part_hash,
1.7 paf 242: level+1, 0, 0);
1.2 paf 243: else
1.60 paf 244: throw Exception("parser.runtime",
1.47 paf 245: seq[i].name,
1.2 paf 246: "part is not hash");
247: }
248:
249: // finish boundary
1.48 paf 250: if(multipart) {
251: result << "\n--" << boundary << "--\n";
252: }
1.2 paf 253: } else {
1.10 paf 254: result <<
1.45 paf 255: "\n"; // header|body separator
256:
257: const String& body=body_element->as_string();
1.76 paf 258: const char *body_ptr=body.cstr(String::UL_UNSPECIFIED); // body
259: size_t body_size=strlen(body_ptr); // body
1.45 paf 260: const void *mail_ptr;
261: size_t mail_size;
262: Charset::transcode(pool,
263: pool.get_source_charset(), body_ptr, body_size,
264: *charset/*always set - either mail.charset or $request:charset*/, mail_ptr, mail_size);
265: result.APPEND_CLEAN((const char*)mail_ptr, mail_size, 0, 0);
1.2 paf 266: }
267: } else
1.60 paf 268: throw Exception("parser.runtime",
1.2 paf 269: &method_name,
270: "has no $body");
271:
272: return result;
273: }
274:
1.4 paf 275: static void sendmail(Request& r, const String& method_name,
1.67 paf 276: const String& message,
1.4 paf 277: const String *from, const String *to) {
278: Pool& pool=r.pool();
279:
1.76 paf 280: char *message_cstr=message.cstr(String::UL_UNSPECIFIED);
1.67 paf 281: Hash *mail_conf=static_cast<Hash *>(r.classes_conf.get(mail_base_class->name()));
1.12 paf 282:
1.75 paf 283: const char *exception_type="email.format";
1.85 paf 284: if(!from) // we use in sendmail -f {from} && SMTP MAIL from: {from}
1.75 paf 285: throw Exception(exception_type,
1.4 paf 286: &method_name,
1.70 paf 287: "parameter does not specify 'from' header field");
1.85 paf 288:
289: #ifdef _MSC_VER
290: if(!to) // we use only in SMTP RCPT to: {to}
1.75 paf 291: throw Exception(exception_type,
1.4 paf 292: &method_name,
1.70 paf 293: "parameter does not specify 'to' header field");
1.4 paf 294:
295: SMTP& smtp=*new(pool) SMTP(pool, method_name);
1.5 paf 296: Value *server_port;
1.29 parser 297: // $MAIN:MAIL.SMTP[mail.yourdomain.ru[:port]]
1.25 paf 298: if(mail_conf &&
299: (server_port=static_cast<Value *>(mail_conf->get(
1.5 paf 300: *new(pool) String(pool, "SMTP"))))) {
301: char *server=server_port->as_string().cstr();
1.11 paf 302: const char *port=rsplit(server, ':');
1.4 paf 303: if(!port)
1.11 paf 304: port="25";
1.4 paf 305:
1.67 paf 306: smtp.Send(server, port, message_cstr, from->cstr(), to->cstr());
1.4 paf 307: } else
1.60 paf 308: throw Exception("parser.runtime",
1.4 paf 309: &method_name,
1.13 paf 310: "$"MAIN_CLASS_NAME":"MAIL_NAME".SMTP not defined");
1.4 paf 311: #else
1.12 paf 312: // unix
1.70 paf 313: // $MAIN:MAIL.sendmail["/usr/sbin/sendmail -t -i -f postmaster"] default
314: // $MAIN:MAIL.sendmail["/usr/lib/sendmail -t -i -f postmaster"] default
1.12 paf 315:
1.55 paf 316: const String *sendmail_command;
1.86 paf 317: const char *sendmailkey_cstr="sendmail";
318: if(mail_conf) {
1.55 paf 319: #ifdef PA_FORCED_SENDMAIL
1.86 paf 320: throw Exception("parser.runtime",
321: &method_name,
322: "Parser was configured with --with-sendmail="PA_FORCED_SENDMAIL
1.87 paf 323: " key, to change sendmail you should reconfigure and recompie it");
1.55 paf 324: #else
1.51 paf 325: if(Value *sendmail_value=static_cast<Value *>(mail_conf->get(String(pool, sendmailkey_cstr))))
1.52 paf 326: sendmail_command=&sendmail_value->as_string();
1.51 paf 327: else
1.60 paf 328: throw Exception("parser.runtime",
1.36 parser 329: &method_name,
1.51 paf 330: "$"MAIN_CLASS_NAME":"MAIL_NAME".%s not defined",
331: sendmailkey_cstr);
1.86 paf 332: #endif
1.51 paf 333: } else {
1.86 paf 334: #ifdef PA_FORCED_SENDMAIL
335: sendmail_command=new(pool) String(pool, PA_FORCED_SENDMAIL);
336: #else
1.52 paf 337: String *test=new(pool) String(pool, "/usr/sbin/sendmail");
338: if(!file_executable(*test))
339: test=new(pool) String(pool, "/usr/lib/sendmail");
1.70 paf 340: test->APPEND_CONST(" -t -i -f postmaster");
1.52 paf 341: sendmail_command=test;
1.86 paf 342: #endif
1.51 paf 343: }
344:
1.70 paf 345: // we know sendmail_command here, should replace "postmaster" with "$from" from message
346: int at_postmaster=sendmail_command->pos("postmaster");
347: if(at_postmaster>0) {
348: String& reconstructed=sendmail_command->mid(0, at_postmaster);
1.71 paf 349: reconstructed << *from;
350: reconstructed << sendmail_command->mid(at_postmaster+10/*postmaster*/, sendmail_command->size());
1.70 paf 351: sendmail_command=&reconstructed;
352: }
353:
354: // execute it
1.51 paf 355: Array argv(pool);
356: const String *file_spec;
1.52 paf 357: int after_file_spec=sendmail_command->pos(" ", 1);
1.51 paf 358: if(after_file_spec<=0)
1.52 paf 359: file_spec=sendmail_command;
1.51 paf 360: else {
1.52 paf 361: size_t pos_after=after_file_spec;
362: file_spec=&sendmail_command->mid(0, pos_after++);
363: sendmail_command->split(argv, &pos_after, " ", 1, String::UL_AS_IS);
1.36 parser 364: }
1.51 paf 365:
1.52 paf 366: if(!file_executable(*file_spec))
1.75 paf 367: throw Exception("email.send",
1.55 paf 368: file_spec,
369: "is not executable."
370: #ifdef PA_FORCED_SENDMAIL
1.59 paf 371: " Use configure key \"--with-sendmail=appropriate sendmail command\""
1.58 paf 372: #else
1.70 paf 373: " Set $"MAIN_CLASS_NAME":"MAIL_NAME".%s to appropriate sendmail command",
1.55 paf 374: sendmailkey_cstr
375: #endif
376: );
377:
1.51 paf 378:
1.67 paf 379: String in(pool, message_cstr); String out(pool); String err(pool);
1.56 paf 380: int exit_status=pa_exec(
381: // forced_allow
382: #ifdef PA_FORCED_SENDMAIL
383: true
384: #else
385: false
386: #endif
1.57 paf 387: , *file_spec,
1.51 paf 388: 0/*default env*/,
389: &argv,
390: in, out, err);
391: if(exit_status || err.size())
1.75 paf 392: throw Exception("email.send",
1.51 paf 393: &method_name,
394: "'%s' reported problem: %s (%d)",
395: file_spec->cstr(),
396: err.size()?err.cstr():"UNKNOWN",
397: exit_status);
1.4 paf 398: #endif
399: }
400:
1.7 paf 401:
402: // methods
403:
1.18 paf 404: static void _send(Request& r, const String& method_name, MethodParams *params) {
1.1 paf 405: Pool& pool=r.pool();
406:
1.32 parser 407: Value& vhash=params->as_no_junction(0, "message must not be code");
1.42 parser 408: Hash *hash=vhash.get_hash(&method_name);
1.1 paf 409: if(!hash)
1.60 paf 410: throw Exception("parser.runtime",
1.1 paf 411: &method_name,
412: "message must be hash");
413:
1.85 paf 414: const String *from=0;
415: String *to=0;
1.84 paf 416: String **to_param=
1.85 paf 417: #ifdef _MSC_VER
1.84 paf 418: &to
419: #else
420: 0
421: #endif
422: ;
1.67 paf 423: const String& message=hash->get(*body_name)/*old format*/?
1.84 paf 424: message_hash_to_string(r, method_name, *hash, 0, &from, to_param) : // old
425: static_cast<VMail *>(r.get_self())->message_hash_to_string(r, &method_name, hash, 0, &from, to_param); // new
1.1 paf 426:
1.67 paf 427: //r.write_pass_lang(message);
428: sendmail(r, method_name, message, from, to);
1.6 paf 429: }
430:
1.24 paf 431: // constructor & configurator
1.23 paf 432:
1.63 paf 433: MMail::MMail(Pool& apool) : Methoded(apool, MAIL_CLASS_NAME),
1.64 paf 434: mail_name(apool, MAIL_NAME)
1.25 paf 435: {
1.27 paf 436: // ^mail:send{hash}
1.23 paf 437: add_native_method("send", Method::CT_STATIC, _send, 1, 1);
1.68 paf 438: }
439:
440: void MMail::configure_user(Request& r) {
441: Pool& pool=r.pool();
442:
443: // $MAIN:MAIL[$SMTP[mail.design.ru]]
1.81 paf 444: if(Value *mail_element=r.main_class.get_element(mail_name, r.main_class, false))
1.68 paf 445: if(Hash *mail_conf=mail_element->get_hash(0))
446: r.classes_conf.put(name(), mail_conf);
447: else
1.69 paf 448: if( !mail_element->is_string() )
449: throw Exception("parser.runtime",
450: 0,
451: "$" MAIL_CLASS_NAME ":" MAIL_NAME " is not hash");
1.24 paf 452: }
453:
1.23 paf 454: // creator
455:
456: Methoded *MMail_create(Pool& pool) {
1.67 paf 457: return mail_base_class=new(pool) MMail(pool);
1.1 paf 458: }
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