Annotation of parser3/src/main/pa_request.C, revision 1.163
1.54 paf 1: /** @file
1.55 paf 2: Parser: request class main part. @see compile.C and execute.C.
3:
1.9 paf 4: Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)
1.156 parser 5: Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf)
1.55 paf 6:
1.163 ! parser 7: $Id: pa_request.C,v 1.162 2001/09/30 14:36:26 parser Exp $
1.1 paf 8: */
9:
1.70 paf 10: #include "pa_config_includes.h"
1.19 paf 11:
1.117 paf 12: #include "pcre.h"
13: #include "internal.h"
1.132 parser 14: extern "C" unsigned char pcre_default_tables[]; // pcre/chartables.c
1.96 paf 15:
1.69 paf 16: #include "pa_sapi.h"
1.53 paf 17: #include "pa_common.h"
1.1 paf 18: #include "pa_request.h"
1.3 paf 19: #include "pa_wwrapper.h"
20: #include "pa_vclass.h"
1.31 paf 21: #include "pa_globals.h"
1.30 paf 22: #include "pa_vint.h"
1.112 paf 23: #include "pa_vmethod_frame.h"
1.32 paf 24: #include "pa_types.h"
1.78 paf 25: #include "pa_vtable.h"
1.90 paf 26: #include "pa_vfile.h"
1.147 parser 27: #include "pa_dictionary.h"
1.3 paf 28:
1.159 parser 29: #ifdef XML
30: # include <util/XercesDefs.hpp>
31: # include <util/TransENameMap.hpp>
32: # include <util/XML256TableTranscoder.hpp>
33: # include <util/PlatformUtils.hpp>
1.161 parser 34: # include <PlatformSupport/XalanTranscodingServices.hpp>
1.159 parser 35: #endif
36:
1.82 paf 37: /// content type of exception response, when no @MAIN:exception handler defined
38: const char *UNHANDLED_EXCEPTION_CONTENT_TYPE="text/plain";
39:
40: /// content type of response when no $MAIN:defaults.content-type defined
41: const char *DEFAULT_CONTENT_TYPE="text/html";
1.144 parser 42: const char *ORIGINS_CONTENT_TYPE="text/plain";
1.82 paf 43:
1.123 paf 44: Methoded *MOP_create(Pool&);
45:
1.117 paf 46:
1.158 parser 47: inline void prepare_case_tables(unsigned char *tables) {
48: unsigned char *lcc_table=tables+lcc_offset;
49: unsigned char *fcc_table=tables+fcc_offset;
50: for(int i=0; i<0x100; i++)
51: lcc_table[i]=fcc_table[i]=i;
1.117 paf 52: }
1.158 parser 53: inline void cstr2ctypes(unsigned char *tables, const unsigned char *cstr,
1.117 paf 54: unsigned char bit) {
55: unsigned char *ctypes_table=tables+ctypes_offset;
56: ctypes_table[0]=bit;
57: for(; *cstr; cstr++) {
58: unsigned char c=*cstr;
59: ctypes_table[c]|=bit;
60: }
61: }
1.158 parser 62: inline unsigned int to_wchar_code(const String *s) {
63: if(!s || s->size()==0)
64: return 0;
65: if(s->size()==1)
66: return (unsigned int)s->first_char();
67: return (unsigned int)s->as_int();
68: }
69: inline bool to_bool(const String *s) {
70: return s && s->size()!=0;
71: }
72: static void element2ctypes(unsigned char c, bool belongs,
73: unsigned char *tables, unsigned char bit, int group_offset=-1) {
74: if(!belongs)
75: return;
76:
77: unsigned char *ctypes_table=tables+ctypes_offset;
78:
79: ctypes_table[c]|=bit;
80: if(group_offset>=0)
81: tables[cbits_offset+group_offset+c/8] |= 1 << (c%8);
82: }
83: static void element2case(unsigned char from, unsigned char to,
84: unsigned char *tables) {
85: if(!to)
86: return;
87:
1.117 paf 88: unsigned char *lcc_table=tables+lcc_offset;
89: unsigned char *fcc_table=tables+fcc_offset;
1.158 parser 90: lcc_table[from]=to;
91: fcc_table[from]=to; fcc_table[to]=from;
1.117 paf 92: }
93:
1.159 parser 94: #ifndef DOXYGEN
1.160 parser 95: struct Charset_tables {
1.159 parser 96: // pcre_tables
97: unsigned char *pcre_tables;
98: #ifdef XML
99: // transcoder
100: XMLCh *fromTable;
101: XMLTransService::TransRec *toTable;
102: unsigned int toTableSz;
103: #endif
104: };
105: #endif
106:
1.160 parser 107: static void ctype_table_row_to_charset_tables(Array::Item *value, void *info) {
1.158 parser 108: Array& row=*static_cast<Array *>(value);
1.160 parser 109: Charset_tables& tables=*static_cast<Charset_tables *>(info);
1.158 parser 110:
111: // char white-space digit hex-digit letter word lowercase unicode1 unicode2
112: unsigned int c=to_wchar_code(row.get_string(0));
113:
1.159 parser 114: // pcre_tables
115: element2ctypes(c, to_bool(row.get_string(1)), tables.pcre_tables, ctype_space, cbit_space);
116: element2ctypes(c, to_bool(row.get_string(2)), tables.pcre_tables, ctype_digit, cbit_digit);
117: element2ctypes(c, to_bool(row.get_string(3)), tables.pcre_tables, ctype_xdigit);
118: element2ctypes(c, to_bool(row.get_string(4)), tables.pcre_tables, ctype_letter);
119: element2ctypes(c, to_bool(row.get_string(5)), tables.pcre_tables, ctype_word, cbit_word);
120: element2case(c, to_wchar_code(row.get_string(6)), tables.pcre_tables);
121:
122: #ifdef XML
1.163 ! parser 123: // transcoder
1.159 parser 124: XMLCh unicode1=row.size()>7?(XMLCh)to_wchar_code(row.get_string(7)):0;
125: XMLCh unicode2=row.size()>8?(XMLCh)to_wchar_code(row.get_string(8)):0;
1.162 parser 126: if(!tables.fromTable[c])
127: tables.fromTable[c]=unicode1?unicode1:(XMLCh)c;
1.159 parser 128: tables.toTable[tables.toTableSz].intCh=unicode1?unicode1:(XMLCh)c;
129: tables.toTable[tables.toTableSz].extCh=(XMLByte)c;
130: tables.toTableSz++;
131: if(unicode2) {
132: tables.toTable[tables.toTableSz].intCh=unicode2;
133: tables.toTable[tables.toTableSz].extCh=(XMLByte)c;
134: tables.toTableSz++;
135: }
136: #endif
137: }
138: static int sort_cmp_Trans_rec_intCh(const void *a, const void *b) {
139: const XMLCh ca=static_cast<const XMLTransService::TransRec *>(a)->intCh;
140: const XMLCh cb=static_cast<const XMLTransService::TransRec *>(b)->intCh;
141: // move zeros to end of table
142: if(ca==0)
143: return +1;
144: if(cb==0)
145: return -1;
146:
1.163 ! parser 147: //
1.159 parser 148: return ca-cb;
1.158 parser 149: }
150:
1.159 parser 151:
152: #ifdef XML
153: template <class TType> class ENameMapFor2 : public ENameMap
154: {
155: public :
156: // -----------------------------------------------------------------------
157: // Constructors and Destructor
158: // -----------------------------------------------------------------------
159: ENameMapFor2(
160: const XMLCh* const encodingName
161: , const XMLCh* const fromTable
162: , const XMLTransService::TransRec* const toTable
163: , const unsigned int toTableSize
164: ) : ENameMap(encodingName),
165: ffromTable(fromTable),
166: ftoTable(toTable),
167: ftoTableSize(toTableSize) {}
168: ~ENameMapFor2() {}
169:
170: // -----------------------------------------------------------------------
171: // Implementation of virtual factory method
172: // -----------------------------------------------------------------------
173: virtual XMLTranscoder* makeNew(const unsigned int blockSize) const {
174: return new TType(
175: getKey(),
176: blockSize,
177: ffromTable,
178: ftoTable, ftoTableSize);
179: }
180: private:
181: const XMLCh* const ffromTable;
182: const XMLTransService::TransRec* const ftoTable;
183: const unsigned int ftoTableSize;
184:
185: private :
186: // -----------------------------------------------------------------------
187: // Unimplemented constructors and operators
188: // -----------------------------------------------------------------------
189: ENameMapFor2();
190: ENameMapFor2(const ENameMapFor2<TType>&);
191: void operator=(const ENameMapFor2<TType>&);
192: };
193:
194: class XML256TableTranscoder2 : public XML256TableTranscoder
195: {
196: public :
197: XML256TableTranscoder2(
198: const XMLCh* const encodingName
199: , const unsigned int blockSize
200: , const XMLCh* const fromTable
201: , const XMLTransService::TransRec* const toTable
202: , const unsigned int toTableSize
203: ) : XML256TableTranscoder(encodingName, blockSize, fromTable, toTable, toTableSize) {}
204:
205: private :
206: XML256TableTranscoder2();
207: XML256TableTranscoder2(const XML256TableTranscoder2&);
208: void operator=(const XML256TableTranscoder2&);
209: };
210: #endif
211:
1.161 parser 212: #ifdef XALAN_HACK_DIGITAL_ENTITIES
213: static void hack_s_maximumCharacterValues(const XalanDOMString& encoding) {
214: /*
215: open:
216: xml-xalan/c/src/PlatformSupport/XalanTranscodingServices.hpp
217: find:
218: static const MaximumCharacterValueMapType& s_maximumCharacterValues;
219: paste to next line:
220: friend static void hack_s_maximumCharacterValues(const XalanDOMString& encoding); // hack by paf
221: */
222:
1.163 ! parser 223: /**/
1.161 parser 224: const_cast<XalanTranscodingServices::MaximumCharacterValueMapType &>(
225: XalanTranscodingServices::s_maximumCharacterValues).insert(
226: XalanTranscodingServices::MaximumCharacterValueMapType::value_type(encoding, 0xFFFF));
1.163 ! parser 227: /**/
1.161 parser 228: }
229: #endif
230:
1.163 ! parser 231: /// @todo addEncoding only once!
1.160 parser 232: static void load_charset(const Hash::Key& akey, Hash::Val *avalue,
1.158 parser 233: void *info) {
234: Hash& CTYPE=*static_cast<Hash *>(info);
235: Pool& pool=CTYPE.pool();
236:
1.160 parser 237: Charset_tables tables={
1.159 parser 238: // pcre_tables
239: // lowcase, flipcase, bits digit+word+whitespace, masks
240: (unsigned char *)pool.calloc(tables_length) // pcre_tables
241: #ifdef XML
242: // transcoder
243: , (XMLCh *)pool.calloc(sizeof(XMLCh)*0x100) // fromTable
244: , 0 // toTable
245: , 0 // toTableSz
246: #endif
247: };
248: prepare_case_tables(tables.pcre_tables);
249: cstr2ctypes(tables.pcre_tables, (const unsigned char *)"*+?{^.$|()[", ctype_meta);
1.158 parser 250:
1.159 parser 251: // fill tables
1.158 parser 252: Value& value=*static_cast<Value *>(avalue);
253: if(Table *table=value.get_table()) {
1.159 parser 254: #ifdef XML
255: tables.toTable=(XMLTransService::TransRec *)pool.calloc(
256: sizeof(XMLTransService::TransRec)*table->size()*2);
257: #endif
1.160 parser 258: table->for_each(ctype_table_row_to_charset_tables, &tables);
1.159 parser 259: #ifdef XML
260: // sort by the Unicode code point
261: _qsort(tables.toTable, tables.toTableSz, sizeof(*tables.toTable),
262: sort_cmp_Trans_rec_intCh);
263: #endif
264: } else
1.158 parser 265: PTHROW(0, 0,
266: &value.name(),
267: "must be hash");
268:
1.159 parser 269: // charset->pcre_tables
270: CTYPE.put(akey, tables.pcre_tables);
271:
272: #ifdef XML
273: // charset->transcoder
1.161 parser 274: XalanDOMString sencoding(akey.cstr());
275: #ifdef XALAN_HACK_DIGITAL_ENTITIES
276: hack_s_maximumCharacterValues(sencoding);
277: #endif
278: const XMLCh* const auto_encoding_cstr=sencoding.c_str();
279: int size=sizeof(XMLCh)*(sencoding.size()+1);
1.159 parser 280: XMLCh* pool_encoding_cstr=(XMLCh*)malloc(size);
281: memcpy(pool_encoding_cstr, auto_encoding_cstr, size);
282: XMLString::upperCase(pool_encoding_cstr);
283:
284: XMLPlatformUtils::fgTransService->addEncoding(
285: pool_encoding_cstr,
286: new ENameMapFor2<XML256TableTranscoder2>(
287: pool_encoding_cstr
288: , tables.fromTable
289: , tables.toTable
290: , tables.toTableSz
291: ));
292: #endif
1.157 parser 293: }
294:
295: //
296: Request::Request(Pool& apool,
297: Info& ainfo,
298: String::Untaint_lang adefault_lang) : Pooled(apool),
299: stack(apool),
300: OP(*MOP_create(apool)),
301: env(apool),
302: form(apool),
303: math(apool),
304: request(apool, *this),
305: response(apool),
306: cookie(apool),
307: fclasses(apool),
1.158 parser 308: CTYPE(apool),
1.157 parser 309: fdefault_lang(adefault_lang), flang(adefault_lang),
310: info(ainfo),
311: post_data(0), post_size(0),
312: used_files(apool),
313: default_content_type(0),
314: mime_types(0),
315: main_class(0),
316: connection(0),
317: classes_conf(apool),
1.158 parser 318: anti_endless_execute_recoursion(0)
1.157 parser 319: {
320: /// directly used
321: // operators
322: OP.register_directly_used(*this);
323: // classes:
324: // table, file, random, mail, image, ...
325: methoded_array->register_directly_used(*this);
326:
327: /// methodless
328: // env class
329: classes().put(*NEW String(pool(), ENV_CLASS_NAME), &env);
330: // request class
331: classes().put(*NEW String(pool(), REQUEST_CLASS_NAME), &request);
332: // cookie class
333: classes().put(*NEW String(pool(), COOKIE_CLASS_NAME), &cookie);
334:
335: /// methoded
336: // response class
337: classes().put(response.get_class()->name(), &response);
338:
339: /// bases used
340: // form class
341: classes().put(form.get_class()->base()->name(), &form);
342: // math class
343: classes().put(math.get_class()->base()->name(), &math);
1.117 paf 344: }
1.150 parser 345:
1.64 paf 346: /**
347: load MAIN class, execute @main.
348: MAIN class consists of all the auto.p files we'd manage to find
349: plus
350: the file user requested us to process
351: all located classes become children of one another,
352: composing class we name 'MAIN'
353: */
1.153 parser 354: void Request::core(
355: const char *root_config_filespec, bool root_config_fail_on_read_problem,
356: const char *site_config_filespec, bool site_config_fail_on_read_problem,
1.62 paf 357: bool header_only) {
1.121 paf 358: //_asm { int 3 }
1.41 paf 359: bool need_rethrow=false; Exception rethrow_me;
1.3 paf 360: TRY {
1.29 paf 361: char *auto_filespec=(char *)malloc(MAX_STRING);
362:
1.153 parser 363: // loading root config
364: if(root_config_filespec) {
1.77 paf 365: String& filespec=*NEW String(pool());
1.153 parser 366: filespec.APPEND_CLEAN(root_config_filespec, 0, "root_config", 0);
1.29 paf 367: main_class=use_file(
1.148 parser 368: filespec,
1.153 parser 369: true/*ignore class_path*/, root_config_fail_on_read_problem,
1.37 paf 370: main_class_name, main_class);
1.29 paf 371: }
372:
1.124 paf 373: // configure root options
1.72 paf 374: // until someone with less privileges have overriden them
1.129 paf 375: OP.configure_admin(*this);
1.124 paf 376: methoded_array->configure_admin(*this);
1.72 paf 377:
1.153 parser 378: // loading site config
379: if(site_config_filespec) {
1.77 paf 380: String& filespec=*NEW String(pool());
1.153 parser 381: filespec.APPEND_CLEAN(site_config_filespec, 0, "site_config", 0);
1.37 paf 382: main_class=use_file(
1.148 parser 383: filespec,
1.153 parser 384: true/*ignore class_path*/, site_config_fail_on_read_problem,
1.37 paf 385: main_class_name, main_class);
1.29 paf 386: }
1.8 paf 387:
1.72 paf 388: // loading auto.p files from document_root/..
389: // to the one beside requested file.
390: // all assigned bases from upper dir
391: {
1.115 paf 392: const char *after=info.path_translated;
393: size_t drlen=strlen(info.document_root);
394: if(memcmp(after, info.document_root, drlen)==0) {
395: after+=drlen;
396: if(after[-1]=='/')
397: --after;
398: }
399:
1.152 parser 400: int step=0;
1.115 paf 401: while(const char *before=strchr(after, '/')) {
1.152 parser 402: String& sfile_spec=*NEW String(pool());
1.115 paf 403: if(after!=info.path_translated) {
1.152 parser 404: sfile_spec.APPEND_CLEAN(
405: info.path_translated, before-info.path_translated,
406: "path-translated-scanned", step++);
407: sfile_spec << "/" AUTO_FILE_NAME;
408:
409: main_class=use_file(sfile_spec,
410: true/*ignore class_path*/, false/*ignore read problem*/,
411: main_class_name, main_class);
1.115 paf 412: }
413: after=before+1;
1.72 paf 414: }
415: }
1.34 paf 416:
1.125 paf 417: // compile requested file
1.77 paf 418: String& spath_translated=*NEW String(pool());
1.136 parser 419: spath_translated.APPEND_TAINTED(info.path_translated, 0, "user-request", 0);
1.148 parser 420: main_class=use_file(spath_translated,
421: true/*ignore class_path*/, true/*don't ignore read problem*/,
1.72 paf 422: main_class_name, main_class);
1.7 paf 423:
1.124 paf 424: // configure not-root=user options
1.129 paf 425: OP.configure_user(*this);
1.124 paf 426: methoded_array->configure_user(*this);
427:
1.85 paf 428: // $MAIN:DEFAULTS
1.78 paf 429: Value *defaults=main_class->get_element(*defaults_name);
1.75 paf 430: // value must be allocated on request's pool for that pool used on
431: // meaning constructing @see attributed_meaning_to_string
1.80 paf 432: default_content_type=defaults?defaults->get_element(*content_type_name):0;
1.155 parser 433: #ifdef XML
434: // record default charset
1.154 parser 435: if(default_content_type)
436: if(Hash *hash=default_content_type->get_hash())
437: if(Value *vcharset=(Value *)hash->get(*charset_name))
438: pool().set_charset(vcharset->as_string());
1.155 parser 439: #endif
1.154 parser 440:
1.117 paf 441: if(Value *element=main_class->get_element(*user_html_name))
1.87 paf 442: if(Table *table=element->get_table())
1.147 parser 443: pool().set_tag(NEW Dictionary(*table));
1.85 paf 444:
445: // $MAIN:MIME-TYPES
446: if(Value *element=main_class->get_element(*mime_types_name))
447: if(Table *table=element->get_table())
448: mime_types=table;
1.96 paf 449:
1.160 parser 450: if(Value *vcharsets=main_class->get_element(*charsets_name)) {
451: if(Hash *charsets=vcharsets->get_hash())
452: charsets->for_each(load_charset, &CTYPE);
1.158 parser 453: else
454: THROW(0, 0,
1.160 parser 455: &vcharsets->name(),
1.158 parser 456: "must be hash");
457: }
1.102 paf 458:
1.124 paf 459: // filling form fields
1.153 parser 460: form.fill_fields_and_tables(*this);
1.102 paf 461:
1.124 paf 462: // filling cookies
463: cookie.fill_fields(*this);
1.25 paf 464:
465: // execute @main[]
1.143 parser 466: const String *body_string=execute_virtual_method(
467: *main_class, *main_method_name);
1.41 paf 468: if(!body_string)
1.25 paf 469: THROW(0,0,
1.145 parser 470: 0,
471: "'"MAIN_METHOD_NAME"' method not found");
1.79 paf 472:
1.91 paf 473: VString body_vstring_before_post_process(*body_string);
474: VString *body_vstring_after_post_process=&body_vstring_before_post_process;
475:
1.119 paf 476: // @postprocess
1.91 paf 477: if(Value *value=main_class->get_element(*post_process_method_name))
478: if(Junction *junction=value->get_junction())
479: if(const Method *method=junction->method) {
480: // preparing to pass parameters to
1.119 paf 481: // @postprocess[data]
1.146 parser 482: VMethodFrame frame(pool(), value->name(), *junction);
1.91 paf 483: frame.set_self(*main_class);
484:
485: frame.store_param(method->name,
486: &body_vstring_before_post_process);
487: body_vstring_after_post_process=
488: NEW VString(*execute_method(frame, *method));
489: }
1.90 paf 490:
1.144 parser 491: bool origins_mode=main_class->get_element(*origins_mode_name)!=0;
492:
493: const VFile *body_file=body_vstring_after_post_process->as_vfile(
494: String::UL_UNSPECIFIED, origins_mode);
1.41 paf 495:
1.45 paf 496: // extract response body
497: Value *body_value=static_cast<Value *>(
498: response.fields().get(*body_name));
1.119 paf 499: if(body_value) // there is some $response.body
1.90 paf 500: body_file=body_value->as_vfile();
1.144 parser 501: else if(origins_mode)
502: response.fields().put(*content_type_name,
503: NEW VString(*NEW String(pool(), ORIGINS_CONTENT_TYPE)));
1.45 paf 504:
505: // OK. write out the result
1.90 paf 506: output_result(*body_file, header_only);
1.3 paf 507: }
1.76 paf 508: CATCH(e) { // request handling problem
509: // we're returning not result, but error explanation
1.30 paf 510: TRY {
1.76 paf 511: // log the beast
512: const String *problem_source=e.problem_source();
1.114 paf 513: if(problem_source && problem_source->size())
1.76 paf 514: SAPI::log(pool(),
515: #ifndef NO_STRING_ORIGIN
516: "%s(%d): "
517: #endif
518: "'%s' %s [%s %s]",
519: #ifndef NO_STRING_ORIGIN
520: problem_source->origin().file?problem_source->origin().file:"global",
521: problem_source->origin().line,
522: #endif
1.99 paf 523: problem_source->cstr(String::UL_AS_IS),
1.76 paf 524: e.comment(),
1.99 paf 525: e.type()?e.type()->cstr(String::UL_AS_IS):"-",
526: e.code()?e.code()->cstr(String::UL_AS_IS):"-"
1.76 paf 527: );
528: else
529: SAPI::log(pool(),
530: "%s [%s %s]",
531: e.comment(),
1.99 paf 532: e.type()?e.type()->cstr(String::UL_AS_IS):"-",
533: e.code()?e.code()->cstr(String::UL_AS_IS):"-"
1.76 paf 534: );
1.43 paf 535:
536: // reset language to default
537: flang=fdefault_lang;
1.135 parser 538: if(flang==String::UL_USER_HTML)
1.137 parser 539: flang=String::UL_HTML; // no _ & Co conversions in @exception[params]
1.43 paf 540:
541: // reset response
542: response.fields().clear();
543:
544: // this is what we'd return in $response:body
1.41 paf 545: const String *body_string=0;
1.43 paf 546:
1.30 paf 547: if(main_class) { // we've managed to end up with some main_class
548: // maybe we'd be lucky enough as to report an error
549: // in a gracefull way...
550: if(Value *value=main_class->get_element(*exception_method_name))
551: if(Junction *junction=value->get_junction())
552: if(const Method *method=junction->method) {
553: // preparing to pass parameters to
554: // @exception[origin;source;comment;type;code]
1.146 parser 555: VMethodFrame frame(pool(), value->name(), *junction);
1.38 paf 556: frame.set_self(*main_class);
1.30 paf 557:
558: const String *problem_source=e.problem_source();
559: // origin
1.38 paf 560: Value *origin_value=0;
1.30 paf 561: #ifndef NO_STRING_ORIGIN
1.114 paf 562: if(problem_source && problem_source->size()) {
1.38 paf 563: const Origin& origin=problem_source->origin();
564: if(origin.file) {
565: char *buf=(char *)malloc(MAX_STRING);
1.106 paf 566: size_t buf_size=snprintf(buf, MAX_STRING, "%s(%d):",
1.38 paf 567: origin.file, 1+origin.line);
1.44 paf 568: String *origin_file_line=NEW String(pool(),
1.106 paf 569: buf, buf_size, true);
1.38 paf 570: origin_value=NEW VString(*origin_file_line);
571: }
1.30 paf 572: }
573: #endif
1.91 paf 574: frame.store_param(method->name,
1.138 parser 575: origin_value?origin_value:NEW VVoid(pool()));
1.28 paf 576:
1.30 paf 577: // source
1.38 paf 578: Value *source_value=0;
1.114 paf 579: if(problem_source && problem_source->size()) {
1.47 paf 580: String& problem_source_copy=*NEW String(pool());
581: problem_source_copy.append(*problem_source,
582: flang, true);
1.43 paf 583: source_value=NEW VString(problem_source_copy);
584: }
1.91 paf 585: frame.store_param(method->name,
1.138 parser 586: source_value?source_value:NEW VVoid(pool()));
1.30 paf 587:
588: // comment
1.44 paf 589: String *comment_value=NEW String(pool(),
1.106 paf 590: e.comment(), 0, true);
1.91 paf 591: frame.store_param(method->name,
1.30 paf 592: NEW VString(*comment_value));
593:
594: // type
595: Value *type_value;
1.43 paf 596: if(e.type()) {
1.47 paf 597: String& type_copy=*NEW String(pool());
598: type_value=NEW VString(type_copy.append(*e.type(),
599: flang, true));
1.43 paf 600: } else
1.138 parser 601: type_value=NEW VVoid(pool());
1.91 paf 602: frame.store_param(method->name, type_value);
1.30 paf 603:
604: // code
605: Value *code_value;
1.43 paf 606: if(e.code()) {
1.47 paf 607: String& code_copy=*NEW String(pool());
608: code_value=NEW VString(code_copy.append(*e.code(),
609: flang, true));
1.43 paf 610: } else
1.138 parser 611: code_value=NEW VVoid(pool());
1.91 paf 612: frame.store_param(method->name, code_value);
1.30 paf 613:
1.43 paf 614: // future $response:body=
615: // execute ^exception[origin;source;comment;type;code]
616: body_string=execute_method(frame, *method);
1.30 paf 617: }
618: }
619:
1.41 paf 620: if(!body_string) { // couldn't report an error beautifully?
621: // doing that ugly
622:
623: // make up result: $origin $source $comment $type $code
624: char *buf=(char *)malloc(MAX_STRING);
1.30 paf 625: size_t printed=0;
626: const String *problem_source=e.problem_source();
627: if(problem_source) {
1.16 paf 628: #ifndef NO_STRING_ORIGIN
1.30 paf 629: const Origin& origin=problem_source->origin();
630: if(origin.file)
1.41 paf 631: printed+=snprintf(buf+printed, MAX_STRING-printed, "%s(%d): ",
1.30 paf 632: origin.file, 1+origin.line);
1.28 paf 633: #endif
1.41 paf 634: printed+=snprintf(buf+printed, MAX_STRING-printed, "'%s' ",
1.99 paf 635: problem_source->cstr(String::UL_AS_IS));
1.30 paf 636: }
1.41 paf 637: printed+=snprintf(buf+printed, MAX_STRING-printed, "%s",
1.30 paf 638: e.comment());
639: const String *type=e.type();
640: if(type) {
1.41 paf 641: printed+=snprintf(buf+printed, MAX_STRING-printed, " type: %s",
1.99 paf 642: type->cstr(String::UL_AS_IS));
1.30 paf 643: const String *code=e.code();
644: if(code)
1.41 paf 645: printed+=snprintf(buf+printed, MAX_STRING-printed, ", code: %s",
1.99 paf 646: code->cstr(String::UL_AS_IS));
1.30 paf 647: }
1.43 paf 648:
649: // future $response:content-type
1.49 paf 650: response.fields().put(*content_type_name,
1.82 paf 651: NEW VString(*NEW String(pool(), UNHANDLED_EXCEPTION_CONTENT_TYPE)));
1.43 paf 652: // future $response:body
1.44 paf 653: body_string=NEW String(pool(), buf);
1.30 paf 654: }
1.41 paf 655:
1.144 parser 656: VString body_vstring(*body_string);
1.90 paf 657: const VFile *body_file=body_vstring.as_vfile();
658:
1.45 paf 659: // ERROR. write it out
1.90 paf 660: output_result(*body_file, header_only);
1.3 paf 661: }
1.30 paf 662: CATCH(e) {
1.41 paf 663: // exception in request exception handler
664: // remember to rethrow it
665: rethrow_me=e; need_rethrow=true;
1.1 paf 666: }
1.30 paf 667: END_CATCH
1.1 paf 668: }
1.41 paf 669: END_CATCH // do not use pool() after this point - no exception handler set
670: // any throw() would try to use zero exception() pointer
671:
1.91 paf 672: if(need_rethrow) // were there an exception for us to rethrow?
1.62 paf 673: THROW(rethrow_me.type(), rethrow_me.code(),
1.41 paf 674: rethrow_me.problem_source(),
675: rethrow_me.comment());
1.1 paf 676: }
677:
1.148 parser 678: VStateless_class *Request::use_file(const String& file_name,
679: bool ignore_class_path, bool fail_on_read_problem,
1.26 paf 680: const String *name,
681: VStateless_class *base_class) {
1.73 paf 682: // cyclic dependence check
1.148 parser 683: if(used_files.get(file_name))
1.73 paf 684: return base_class;
1.148 parser 685: used_files.put(file_name, (Hash::Val *)true);
1.73 paf 686:
1.148 parser 687: const String *file_spec;
1.153 parser 688: if(ignore_class_path) // ignore_class_path?
1.148 parser 689: file_spec=&file_name;
1.153 parser 690: else if(file_name.first_char()=='/') //absolute path, no need to scan MAIN:CLASS_PATH?
691: file_spec=&absolute(file_name);
692: else {
693: file_spec=0;
694: if(main_class)
695: if(Value *element=main_class->get_element(*class_path_name)) {
696: if(element->is_string()) {
697: file_spec=file_readable(element->as_string(), file_name); // found at class_path?
698: } else if(Table *table=element->get_table()) {
699: int size=table->size();
700: for(int i=size; i--; ) {
701: const String& path=*static_cast<Array *>(table->get(i))->get_string(0);
702: if(file_spec=file_readable(path, file_name))
703: break; // found along class_path
1.148 parser 704: }
1.153 parser 705: } else
706: THROW(0, 0,
707: &element->name(),
708: "must be string or table");
709: if(!file_spec)
710: THROW(0, 0,
711: &file_name,
712: "not found along " MAIN_CLASS_NAME ":" CLASS_PATH_NAME);
713: }
714: if(!file_spec)
715: THROW(0, 0,
716: &file_name,
717: "usage failed - no " MAIN_CLASS_NAME ":" CLASS_PATH_NAME " were specified");
1.148 parser 718: }
1.73 paf 719:
1.148 parser 720: char *source=file_read_text(pool(), *file_spec, fail_on_read_problem);
1.3 paf 721: if(!source)
1.12 paf 722: return base_class;
1.3 paf 723:
1.148 parser 724: return use_buf(source, file_spec->cstr(), 0/*new class*/, name, base_class);
1.16 paf 725: }
726:
1.67 paf 727: VStateless_class *Request::use_buf(const char *source, const char *file,
1.26 paf 728: VStateless_class *aclass, const String *name,
729: VStateless_class *base_class) {
1.5 paf 730: // compile loaded class
1.26 paf 731: VStateless_class& cclass=COMPILE(source, aclass, name, base_class, file);
1.1 paf 732:
1.4 paf 733: // locate and execute possible @auto[] static method
1.143 parser 734: execute_nonvirtual_method(cclass, *auto_method_name, false /*no result needed*/);
1.16 paf 735: return &cclass;
1.19 paf 736: }
737:
1.77 paf 738: const String& Request::relative(const char *apath, const String& relative_name) {
739: int lpath_buf_size=strlen(apath)+1;
740: char *lpath=(char *)malloc(lpath_buf_size);
741: memcpy(lpath, apath, lpath_buf_size);
1.120 paf 742: if(!rsplit(lpath, '/'))
743: strcpy(lpath, ".");
1.77 paf 744: String& result=*NEW String(pool(), lpath);
1.104 paf 745: result << "/" << relative_name;
1.19 paf 746: return result;
747: }
748:
1.77 paf 749: const String& Request::absolute(const String& relative_name) {
750: char *relative_name_cstr=relative_name.cstr();
751: if(relative_name_cstr[0]=='/') {
752: String& result=*NEW String(pool(), info.document_root);
1.104 paf 753: result << relative_name;
1.19 paf 754: return result;
755: } else
1.77 paf 756: return relative(info.path_translated, relative_name);
1.1 paf 757: }
1.45 paf 758:
1.101 paf 759: static void add_header_attribute(const Hash::Key& aattribute, Hash::Val *ameaning,
760: void *info) {
761: String *attribute_to_exclude=static_cast<String *>(info);
762: if(aattribute==*attribute_to_exclude)
763: return;
764:
765: Value& lmeaning=*static_cast<Value *>(ameaning);
766: Pool& pool=lmeaning.pool();
767:
768: SAPI::add_header_attribute(pool,
1.116 paf 769: aattribute.cstr(String::UL_AS_IS),
1.101 paf 770: attributed_meaning_to_string(lmeaning, String::UL_HTTP_HEADER).cstr());
771: }
1.90 paf 772: void Request::output_result(const VFile& body_file, bool header_only) {
1.51 paf 773: // header: cookies
774: cookie.output_result();
775:
1.90 paf 776: // set content-type
777: if(String *body_file_content_type=static_cast<String *>(
778: body_file.fields().get(*vfile_mime_type_name))) {
779: // body file content type
780: response.fields().put(*content_type_name, body_file_content_type);
781: } else {
782: // default content type
783: response.fields().put_dont_replace(*content_type_name,
784: default_content_type?default_content_type
785: :NEW VString(*NEW String(pool(), DEFAULT_CONTENT_TYPE)));
1.92 paf 786: }
787:
788: // content-disposition
1.111 paf 789: if(VString *vfile_name=static_cast<VString *>(body_file.fields().get(*name_name)))
790: if(vfile_name->string()!=NONAME_DAT) {
791: VHash& vhash=*NEW VHash(pool());
792: vhash.hash().put(*content_disposition_filename_name, vfile_name);
793: response.fields().put(*content_disposition_name, &vhash);
794: }
1.49 paf 795:
1.62 paf 796: // prepare header: $response:fields without :body
1.73 paf 797: response.fields().for_each(add_header_attribute, /*excluding*/ body_name);
1.50 paf 798:
1.62 paf 799: // prepare...
1.90 paf 800: const void *body=body_file.value_ptr();
801: size_t content_length=body_file.value_size();
1.50 paf 802:
1.62 paf 803: // prepare header: content-length
1.65 paf 804: if(content_length) { // useful for redirecting [header "location: http://..."]
805: char content_length_cstr[MAX_NUMBER];
1.108 paf 806: snprintf(content_length_cstr, MAX_NUMBER, "%u", content_length);
1.69 paf 807: SAPI::add_header_attribute(pool(), "content-length", content_length_cstr);
1.65 paf 808: }
1.62 paf 809:
810: // send header
1.69 paf 811: SAPI::send_header(pool());
1.71 paf 812:
1.62 paf 813: // send body
814: if(!header_only)
1.69 paf 815: SAPI::send_body(pool(), body, content_length);
1.50 paf 816: }
1.104 paf 817:
818: const String& Request::mime_type_of(const char *user_file_name_cstr) {
819: if(mime_types)
820: if(const char *cext=strrchr(user_file_name_cstr, '.')) {
821: String sext(pool(), ++cext);
822: if(mime_types->locate(0, sext))
823: if(const String *result=mime_types->item(1))
824: return *result;
825: else
826: THROW(0, 0,
827: mime_types->origin_string(),
828: "MIME-TYPE table column elements must not be empty");
829: }
830: return *NEW String(pool(), "application/octet-stream");
1.158 parser 831: }
832:
833: unsigned char *Request::pcre_tables() {
1.159 parser 834: if(unsigned char *result=(unsigned char *)CTYPE.get(pool().get_charset()))
835: return result;
1.158 parser 836:
837: return pcre_default_tables;
1.133 parser 838: }
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