Annotation of parser3/src/main/pa_request.C, revision 1.449
1.54 paf 1: /** @file
1.55 paf 2: Parser: request class main part. @see compile.C and execute.C.
3:
1.439 moko 4: Copyright (c) 2001-2026 Art. Lebedev Studio (https://www.artlebedev.com)
1.418 moko 5: Authors: Konstantin Morshnev <moko@design.ru>, Alexandr Petrosian <paf@design.ru>
1.218 paf 6: */
1.55 paf 7:
1.69 paf 8: #include "pa_sapi.h"
1.53 paf 9: #include "pa_common.h"
1.372 moko 10: #include "pa_os.h"
1.1 paf 11: #include "pa_request.h"
1.3 paf 12: #include "pa_wwrapper.h"
13: #include "pa_vclass.h"
1.31 paf 14: #include "pa_globals.h"
1.30 paf 15: #include "pa_vint.h"
1.297 misha 16: #include "pa_vmethod_frame.h"
1.32 paf 17: #include "pa_types.h"
1.248 paf 18: #include "pa_venv.h"
19: #include "pa_vmath.h"
20: #include "pa_vstatus.h"
21: #include "pa_vrequest.h"
1.78 paf 22: #include "pa_vtable.h"
1.90 paf 23: #include "pa_vfile.h"
1.147 parser 24: #include "pa_dictionary.h"
1.208 paf 25: #include "pa_charset.h"
1.186 paf 26: #include "pa_charsets.h"
1.248 paf 27: #include "pa_cache_managers.h"
1.402 moko 28: #include "pa_http.h"
1.248 paf 29: #include "pa_vmail.h"
30: #include "pa_vform.h"
31: #include "pa_vcookie.h"
32: #include "pa_vresponse.h"
33: #include "pa_vmemory.h"
1.253 paf 34: #include "pa_vconsole.h"
1.267 paf 35: #include "pa_vdate.h"
1.424 moko 36: #include "pa_varray.h"
1.159 parser 37:
1.449 ! moko 38: volatile const char * IDENT_PA_REQUEST_C="$Id: pa_request.C,v 1.448 2026/09/27 17:37:51 moko Exp $" IDENT_PA_REQUEST_H IDENT_PA_REQUEST_CHARSETS_H IDENT_PA_REQUEST_INFO_H IDENT_PA_VCONSOLE_H;
1.329 moko 39:
1.248 paf 40: // consts
41:
1.269 paf 42: #define UNHANDLED_EXCEPTION_METHOD_NAME "unhandled_exception"
1.207 paf 43:
1.82 paf 44: /// content type of response when no $MAIN:defaults.content-type defined
1.248 paf 45: const char* DEFAULT_CONTENT_TYPE="text/html";
46:
1.449 ! moko 47: // One recursion level uses ~0.85KB of stack under linux/gcc, ~1KB under win32 and ~2KB under win64.
! 48: // MSVC win64 exception handling requires an extra ~10KB !!! for each throw, and execute() catches and
! 49: // rethrows on every level to provide a stack trace.
! 50: // So 1000 levels need ~1MB under linux (default 8MB stack is enough) and ~2+10=12MB under win64,
! 51: // thus the stack is set to 32MB in the MSVC project settings.
! 52: const int EXECUTE_RECURSION_LIMIT=1000;
! 53: const int EXECUTE_RECURSION_RESERVE=100;
! 54:
1.446 moko 55: const int LOOP_LIMIT=100000;
56: const int ARRAY_LIMIT=1000000;
57: const int HTTPD_TIMEOUT=4;
1.369 moko 58: const size_t FILE_SIZE_LIMIT=512*1024*1024;
1.361 moko 59:
1.248 paf 60: // defines for globals
61:
62: #define MAIN_METHOD_NAME "main"
63: #define AUTO_METHOD_NAME "auto"
1.364 moko 64: #define USE_METHOD_NAME "use"
1.309 misha 65: #define AUTOUSE_METHOD_NAME "autouse"
1.364 moko 66:
67: #define ORIGIN_KEY "origin"
68:
1.248 paf 69: // globals
70:
71: const String main_method_name(MAIN_METHOD_NAME);
72: const String auto_method_name(AUTO_METHOD_NAME);
1.364 moko 73: static const String use_method_name(USE_METHOD_NAME);
74: static const String autouse_method_name(AUTOUSE_METHOD_NAME);
1.311 misha 75:
1.364 moko 76: static const String origin_key(ORIGIN_KEY);
77:
1.369 moko 78: int pa_loop_limit=LOOP_LIMIT;
1.425 moko 79: int pa_array_limit=ARRAY_LIMIT;
1.427 moko 80: int pa_execute_recursion_limit=EXECUTE_RECURSION_LIMIT;
1.390 moko 81: int pa_httpd_timeout=HTTPD_TIMEOUT;
1.369 moko 82: size_t pa_file_size_limit=FILE_SIZE_LIMIT;
1.361 moko 83:
1.248 paf 84: // defines for statics
85:
86: #define MIME_TYPES_NAME "MIME-TYPES"
87: #define CLASS_PATH_NAME "CLASS_PATH"
88:
1.344 moko 89: #define DOWNLOAD_NAME_UPPER "DOWNLOAD"
90: #define BODY_NAME_UPPER "BODY"
91:
1.248 paf 92: // statics
93:
94: static const String main_class_name(MAIN_CLASS_NAME);
95: static const String mime_types_name(MIME_TYPES_NAME);
1.395 moko 96: static const String class_path_name(CLASS_PATH_NAME);
1.361 moko 97:
1.395 moko 98: static const String charsets_name("CHARSETS");
99: static const String strict_vars_name("STRICT-VARS");
100: static const String prototype_name("OBJECT-PROTOTYPE");
1.415 moko 101: static const String getter_protected_name("CLASS-GETTER-PROTECTED");
102: static const String locals_name("LOCALS");
1.395 moko 103: static const String limits_name("LIMITS");
104: static const String loop_limit_name("max_loop");
1.425 moko 105: static const String array_limit_name("max_array_size");
1.427 moko 106: static const String recursion_limit_name("max_recursion");
1.395 moko 107: static const String file_size_limit_name("max_file_size");
108: static const String lock_wait_timeout_name("lock_wait_timeout");
109: static const String httpd_name("HTTPD");
110: static const String httpd_timeout_name("timeout");
1.402 moko 111: static const String httpd_mode_name("mode");
1.395 moko 112:
113: static const String conf_method_name("conf");
114: static const String post_process_method_name("postprocess");
115: static const String response_body_file_name("file");
1.248 paf 116:
1.344 moko 117: static const String download_name_upper(DOWNLOAD_NAME_UPPER);
118: static const String body_name_upper(BODY_NAME_UPPER);
119:
120: // more static
121:
122: static const String content_type_name_upper(HTTP_CONTENT_TYPE_UPPER);
123: static const String content_disposition_name_upper(CONTENT_DISPOSITION_UPPER);
1.392 moko 124: static const String content_disposition_inline(CONTENT_DISPOSITION_INLINE);
1.344 moko 125: static const String content_disposition_attachment(CONTENT_DISPOSITION_ATTACHMENT);
126:
1.420 moko 127: const String content_disposition_filename_name(CONTENT_DISPOSITION_FILENAME_NAME);
128: const String content_disposition_filename_name_asterisk("filename*");
129:
1.248 paf 130: // defines
1.82 paf 131:
1.344 moko 132: #define CHARSET_NAME_UPPER "CHARSET"
133: #define LAST_MODIFIED_NAME_UPPER "LAST-MODIFIED"
134:
1.233 paf 135: // op.C
1.248 paf 136: VStateless_class& VClassMAIN_create();
1.123 paf 137:
1.157 parser 138: //
1.445 moko 139: void Request::recursion_limit_reached() {
140: if(execute_recursion_limit>pa_execute_recursion_limit)
141: throw Recursion_limit_exception();
142:
143: execute_recursion_limit+=EXECUTE_RECURSION_RESERVE;
144: throw Exception(PARSER_RUNTIME, 0, "call canceled - endless recursion detected");
145: }
146:
1.408 moko 147: Request::Request(SAPI_Info& asapi_info, Request_info& arequest_info, String::Language adefault_lang):
1.248 paf 148: // private
1.427 moko 149: anti_endless_execute_recursion(0),
1.445 moko 150: execute_recursion_limit(pa_execute_recursion_limit),
1.248 paf 151:
152: // public
1.335 moko 153: allow_class_replace(false),
1.248 paf 154: method_frame(0),
155: rcontext(0),
156: wcontext(0),
157: flang(adefault_lang),
1.191 paf 158: fconnection(0),
1.371 moko 159: fin_cycle(0),
1.307 misha 160: fskip(SKIP_NOTHING),
1.248 paf 161:
162: // public
1.257 paf 163: request_info(arequest_info),
1.248 paf 164: sapi_info(asapi_info),
1.359 moko 165: charsets(pa_UTF8_charset, pa_UTF8_charset, pa_UTF8_charset), // default charsets
1.248 paf 166:
167: main_class(VClassMAIN_create()),
1.260 paf 168: form(*new VForm(charsets, arequest_info)),
1.248 paf 169: mail(*new VMail),
170: response(*new VResponse(arequest_info, charsets)),
1.298 misha 171: cookie(*new VCookie(charsets, arequest_info)),
1.285 misha 172: console(*new VConsole),
1.248 paf 173:
174: // private
175: configure_admin_done(false),
176:
177: // private defaults
178: fdefault_lang(adefault_lang),
179: // private mime types
180: mime_types(0)
1.157 parser 181: {
1.261 paf 182: pa_register_thread_request(*this);
183:
1.248 paf 184: // file_no=0 => unknown
1.434 moko 185: file_list+=String::Body("UNKNOWN");
186: file_list+=String::Body("-body of process-"); // pseudo_file_no__process
1.186 paf 187:
1.178 paf 188: // maybe expire old caches
1.264 paf 189: cache_managers->maybe_expire();
1.178 paf 190:
1.157 parser 191: /// directly used
1.233 paf 192: // MAIN class, operators
1.353 moko 193: put_class(&main_class);
1.157 parser 194: // classes:
195: // table, file, random, mail, image, ...
1.248 paf 196: methoded_array().register_directly_used(*this);
1.157 parser 197:
198: /// methodless
1.354 moko 199:
1.157 parser 200: // env class
1.353 moko 201: put_class(new VEnv(asapi_info));
1.175 paf 202: // status class
1.353 moko 203: put_class(new VStatus());
1.157 parser 204: // request class
1.353 moko 205: put_class(new VRequest(arequest_info, charsets, form, asapi_info));
1.157 parser 206: // cookie class
1.353 moko 207: put_class(&cookie);
1.253 paf 208: // console class
1.353 moko 209: put_class(&console);
1.354 moko 210:
1.157 parser 211: /// methoded
1.354 moko 212:
1.157 parser 213: // response class
1.353 moko 214: put_class(&response);
1.157 parser 215: // form class
1.353 moko 216: put_class(&form);
1.213 paf 217: // mail class
1.353 moko 218: put_class(&mail);
1.157 parser 219: // math class
1.353 moko 220: put_class(new VMath);
1.248 paf 221: // memory class
1.353 moko 222: put_class(new VMemory);
1.117 paf 223: }
1.192 paf 224:
225: Request::~Request() {
226: #ifdef XML
227: // if for some strange reason xml generic errors failed to be reported, free them up
1.248 paf 228: if(const char* xml_generic_errors=xmlGenericErrors()) {
229: SAPI::log(sapi_info, "warning: unreported xmlGenericErrors: %s", xml_generic_errors);
1.341 moko 230: pa_free((void *)xml_generic_errors);
1.192 paf 231: }
232: #endif
233: }
1.236 paf 234:
1.248 paf 235: Value& Request::get_self() { return method_frame/*always have!*/->self(); }
1.192 paf 236:
1.355 moko 237: VStateless_class* Request::get_class(const String& name){
238: VStateless_class* result=classes().get(name);
1.313 misha 239: if(!result)
1.375 moko 240: if(const Method *method=main_class.get_element_method(autouse_method_name)){
1.364 moko 241: Value *vname=new VString(name);
242: CONSTRUCTOR_FRAME_ACTION(*method, 0 /*no parent*/, main_class, {
243: frame.store_params(&vname, 1);
244: // we don't need the result
245: call(frame);
246: });
247: result=classes().get(name);
248: }
1.309 misha 249: return result;
250: }
251:
1.411 moko 252: VStateless_class& Request::get_class_ref(const String& name){
253: VStateless_class* result=get_class(name);
254: if(!result)
255: throw Exception(PARSER_RUNTIME, &name, "class is undefined");
256: return *result;
257: }
258:
1.424 moko 259: bool Request::add_class(const char* atype, VStateless_class *aclass){
1.436 moko 260: if(!classes().put_dont_replace(String::Body(atype), aclass))
261: return true;
1.437 moko 262: if(!allow_class_replace && strcmp(atype, VARRAY_TYPE))
263: return false;
1.436 moko 264: classes().remove(String::Body(atype));
1.424 moko 265: classes().put(atype, aclass);
266: return true;
267: }
268:
1.356 moko 269: static void load_charset(HashStringValue::key_type akey, HashStringValue::value_type avalue, Request_charsets* charsets) {
1.359 moko 270: pa_charsets.load_charset(*charsets, akey, avalue->as_string());
1.208 paf 271: }
1.356 moko 272:
1.395 moko 273:
274: #define CONF_OPTION(config, name, code, exception_name) \
275: if(config) \
276: if(Value* option=config->get_element(name)) { \
277: if(option->is_evaluated_expr()) { \
278: code; \
279: } else \
1.415 moko 280: throw Exception(PARSER_RUNTIME, 0, "$MAIN:" exception_name, name.cstr()); \
1.395 moko 281: }
282:
1.248 paf 283: void Request::configure_admin(VStateless_class& conf_class) {
1.208 paf 284: if(configure_admin_done)
1.356 moko 285: throw Exception(PARSER_RUNTIME, 0, "parser already configured");
1.208 paf 286: configure_admin_done=true;
287:
1.227 paf 288: // charsets must only be specified in method_frame config
1.208 paf 289: // so that users would not interfere
290:
291: /* $MAIN:CHARSETS[
292: $.charsetname1[/full/path/to/charset/file.cfg]
293: ...
294: ]
295: */
1.308 misha 296: if(Value* vcharsets=conf_class.get_element(charsets_name)) {
1.342 moko 297: if(!vcharsets->is_string()) {
1.248 paf 298: if(HashStringValue* charsets=vcharsets->get_hash())
1.281 paf 299: charsets->for_each<Request_charsets*>(load_charset, &this->charsets);
1.240 paf 300: else
1.415 moko 301: throw Exception(PARSER_RUNTIME, 0, "$MAIN:%s must be hash", charsets_name.cstr());
1.342 moko 302: }
1.208 paf 303: }
304:
1.330 moko 305: #ifdef STRICT_VARS
1.332 moko 306: VVoid::strict_vars=false;
1.330 moko 307: if(Value* strict_vars=conf_class.get_element(strict_vars_name)) {
308: if(strict_vars->is_bool())
309: VVoid::strict_vars=strict_vars->as_bool();
1.357 moko 310: else
1.415 moko 311: throw Exception(PARSER_RUNTIME, 0, "$MAIN:%s must be bool", strict_vars_name.cstr());
1.357 moko 312: }
313: #endif
314:
315: #ifdef OBJECT_PROTOTYPE
316: VClass::prototype=true;
317: if(Value* prototype=conf_class.get_element(prototype_name)) {
318: if(prototype->is_bool())
319: VClass::prototype=prototype->as_bool();
320: else
1.415 moko 321: throw Exception(PARSER_RUNTIME, 0, "$MAIN:%s must be bool", prototype_name.cstr());
1.330 moko 322: }
323: #endif
324:
1.415 moko 325: #ifdef CLASS_GETTER_UNPROTECTED
326: VClass::getter_protected=true;
327: if(Value* getter_protected=conf_class.get_element(getter_protected_name)) {
328: if(getter_protected->is_bool())
329: VClass::getter_protected=getter_protected->as_bool();
330: else
331: throw Exception(PARSER_RUNTIME, 0, "$MAIN:%s must be bool", getter_protected_name.cstr());
332: }
333: #endif
334:
335: VStateless_class::gall_vars_local=false;
336: if(Value* locals=conf_class.get_element(locals_name)) {
337: if(locals->is_bool()){
338: VStateless_class::gall_vars_local=locals->as_bool();
339: main_class.set_all_vars_local();
340: } else
341: throw Exception(PARSER_RUNTIME, 0, "$MAIN:%s must be bool", locals_name.cstr());
342: }
343:
1.362 moko 344: Value* limits=conf_class.get_element(limits_name);
345:
1.361 moko 346: pa_loop_limit=LOOP_LIMIT;
1.395 moko 347: CONF_OPTION(limits, loop_limit_name, {
348: pa_loop_limit=option->as_int();
349: if(pa_loop_limit==0) pa_loop_limit=INT_MAX;
350: }, "LIMITS.%s must be int");
1.361 moko 351:
1.425 moko 352: pa_array_limit=ARRAY_LIMIT;
353: CONF_OPTION(limits, array_limit_name, {
354: pa_array_limit=option->as_int();
355: if(pa_array_limit==0) pa_array_limit=INT_MAX;
356: }, "LIMITS.%s must be int");
357:
1.427 moko 358: pa_execute_recursion_limit=EXECUTE_RECURSION_LIMIT;
359: CONF_OPTION(limits, recursion_limit_name, {
360: pa_execute_recursion_limit=option->as_int();
1.445 moko 361: if(pa_execute_recursion_limit<=0) pa_execute_recursion_limit=INT_MAX;
362: pa_execute_recursion_limit=min(pa_execute_recursion_limit, INT_MAX-EXECUTE_RECURSION_RESERVE);
1.395 moko 363: }, "LIMITS.%s must be int");
1.445 moko 364: execute_recursion_limit=pa_execute_recursion_limit;
1.390 moko 365:
1.369 moko 366: pa_file_size_limit=FILE_SIZE_LIMIT;
1.395 moko 367: CONF_OPTION(limits, file_size_limit_name, {
368: double limit=option->as_double();
369: if(limit >= (double)SSIZE_MAX)
1.448 moko 370: throw Exception(PARSER_RUNTIME, 0, "$MAIN:LIMITS.%s must be less than %s", file_size_limit_name.cstr(), pa_itoa(SSIZE_MAX));
1.395 moko 371: pa_file_size_limit=(size_t)limit;
372: if(pa_file_size_limit==0)
373: pa_file_size_limit=SSIZE_MAX;
374: }, "LIMITS.%s must be number");
1.361 moko 375:
1.372 moko 376: pa_lock_attempts=PA_LOCK_ATTEMPTS;
1.395 moko 377: CONF_OPTION(limits, lock_wait_timeout_name, {
378: double limit=option->as_double();
379: if(limit >= 3600*24)
1.426 moko 380: throw Exception(PARSER_RUNTIME, 0, "$MAIN:LIMITS.%s must be less than %d", lock_wait_timeout_name.cstr(), 3600*24);
1.395 moko 381: pa_lock_attempts=(unsigned int)(limit*2)+1;
382: }, "LIMITS.%s must be number");
383:
384: Value* httpd=conf_class.get_element(httpd_name);
385:
386: pa_httpd_timeout=HTTPD_TIMEOUT;
387: CONF_OPTION(httpd, httpd_timeout_name, {
388: pa_httpd_timeout=option->as_int();
389: if(pa_httpd_timeout==0) pa_httpd_timeout=INT_MAX;
390: }, "HTTPD.%s must be int");
1.372 moko 391:
1.403 moko 392: if(httpd)
393: if(Value* option=httpd->get_element( httpd_mode_name)) {
394: if(option->get_junction())
1.415 moko 395: throw Exception(PARSER_RUNTIME, 0, "$MAIN:HTTPD:mode must be string");
1.403 moko 396: HTTPD_Server::set_mode(option->as_string());
397: }
1.402 moko 398:
1.227 paf 399: // configure method_frame options
1.208 paf 400: // until someone with less privileges have overriden them
1.248 paf 401: methoded_array().configure_admin(*this);
1.208 paf 402: }
1.150 parser 403:
1.442 moko 404: const char* Request::get_exception_cstr(const Exception& e, VException& details) {
1.349 moko 405:
1.269 paf 406: #define PA_URI_FORMAT "%s: "
1.349 moko 407: #define PA_COMMENT_TYPE_FORMAT "%s [%s]"
408:
1.269 paf 409: #define PA_ORIGIN_FILE_POS_FORMAT "%s(%d:%d): "
410: #define PA_SOURCE_FORMAT "'%s' "
1.349 moko 411:
412: #define PA_ORIGIN_FILE_POS_VALUE file_list[details.origin.file_no].cstr(), 1+details.origin.line, 1+details.origin.col,
413: #define PA_SOURCE_VALUE details.problem_source->cstr(),
414:
415: #define EXCEPTION_CSTR(f1,v1,f2,v2) \
416: snprintf(result, MAX_STRING, \
417: PA_URI_FORMAT \
418: f1 f2 \
419: PA_COMMENT_TYPE_FORMAT, \
420: request_info.uri, \
421: v1 v2 \
422: e.comment(), e.type() \
423: );
424:
1.269 paf 425: char* result=new(PointerFreeGC) char[MAX_STRING];
426:
427: if(details.problem_source) { // do we know the guy?
1.349 moko 428: if(details.origin.file_no) // do whe know where he came from?
429: EXCEPTION_CSTR(PA_ORIGIN_FILE_POS_FORMAT, PA_ORIGIN_FILE_POS_VALUE, PA_SOURCE_FORMAT, PA_SOURCE_VALUE)
430: else
431: EXCEPTION_CSTR(PA_SOURCE_FORMAT, PA_SOURCE_VALUE,,)
432: } else {
433: if(details.origin.file_no) // do whe know where he came from?
434: EXCEPTION_CSTR(PA_ORIGIN_FILE_POS_FORMAT, PA_ORIGIN_FILE_POS_VALUE,,)
435: else
436: EXCEPTION_CSTR(,,,)
437: }
1.269 paf 438:
439: return result;
440: }
1.272 paf 441:
1.444 moko 442: Table &Request::Exception_trace::table(Request &r, const String* problem_source, size_t bottom, size_t top){
1.407 moko 443: // $stack[^table::create{name file lineno colno}]
444: Table::columns_type stack_trace_columns(new ArrayString);
445: *stack_trace_columns+=new String("name");
446: *stack_trace_columns+=new String("file");
447: *stack_trace_columns+=new String("lineno");
448: *stack_trace_columns+=new String("colno");
449: Table& stack_trace=*new Table(stack_trace_columns);
450:
1.444 moko 451: if(bottom<top)
452: for(size_t i=bottom+(get(bottom).name()==problem_source); i<top; i++) {
1.407 moko 453: Trace trace=get(i);
454: Table::element_type row(new ArrayString);
455:
456: *row+=trace.name(); // name column
457: Operation::Origin origin=trace.origin();
458: if(origin.file_no) {
459: *row+=new String(r.file_list[origin.file_no], String::L_TAINTED); // 'file' column
1.422 moko 460: *row+=new String(pa_uitoa(1+origin.line), String::L_CLEAN); // 'lineno' column
461: *row+=new String(pa_uitoa(1+origin.col), String::L_CLEAN); // 'colno' column
1.407 moko 462: }
463: stack_trace+=row;
464: }
465:
466: return stack_trace;
467: }
468:
1.272 paf 469: void Request::configure() {
470: // configure admin options if not configured yet
471: if(!configure_admin_done)
472: configure_admin(main_class);
473:
474: // $MAIN:MIME-TYPES
1.308 misha 475: if(Value* element=main_class.get_element(mime_types_name))
1.272 paf 476: if(Table *table=element->get_table())
1.395 moko 477: mime_types=table;
1.272 paf 478: }
1.408 moko 479:
1.64 paf 480: /**
481: load MAIN class, execute @main.
482: MAIN class consists of all the auto.p files we'd manage to find
483: plus
484: the file user requested us to process
485: all located classes become children of one another,
486: composing class we name 'MAIN'
1.180 paf 487:
488: @test log stack trace
489:
1.64 paf 490: */
1.412 moko 491: void Request::core(const char* config_filespec, bool header_only, const String &amain_method_name, const String* amain_class_name) {
1.169 parser 492: try {
1.211 paf 493: // loading config
1.384 moko 494: if(config_filespec)
1.387 moko 495: use_file_directly(*new String(config_filespec));
1.8 paf 496:
1.338 moko 497: // filling mail received
498: mail.fill_received(*this);
499:
1.272 paf 500: try {
501: // compile requested file
1.389 moko 502: if(request_info.path_translated)
503: use_file_directly(*new String(request_info.path_translated, String::L_TAINTED), true, true /* load auto.p files */);
1.272 paf 504: configure();
505: } catch(...) {
506: configure(); // configure anyway, useful in @unhandled_exception [say, if they would want to mail by SMTP something]
507: rethrow;
508: }
1.25 paf 509:
1.412 moko 510: VStateless_class& main = amain_class_name ? get_class_ref(*amain_class_name) : main_class;
1.25 paf 511: // execute @main[]
1.412 moko 512: const String* body_string=amain_method_name.is_empty() ? &String::Empty : execute_method(main, amain_method_name);
1.41 paf 513: if(!body_string)
1.412 moko 514: throw Exception(PARSER_RUNTIME, &amain_method_name, "method not found in class %s", main.type());
1.79 paf 515:
1.250 paf 516: // extract response body
1.344 moko 517: Value* body_value=response.fields().get(download_name_upper); // $response:download?
1.430 moko 518: bool as_attachment=body_value!=0;
1.250 paf 519: if(!body_value)
1.344 moko 520: body_value=response.fields().get(body_name_upper); // $response:body
1.250 paf 521: if(!body_value)
522: body_value=new VString(*body_string); // just result of ^main[]
523:
1.119 paf 524: // @postprocess
1.383 moko 525: if(const Method *method=main_class.get_method(post_process_method_name)) {
526: METHOD_FRAME_ACTION(*method, 0 /*no parent*/, main_class, {
527: frame.store_params(&body_value, 1);
528: call(frame);
529: body_value=&frame.result();
530: });
531: }
1.90 paf 532:
1.430 moko 533: // can throw exceptions while handling $response:download[]
534: output_result(body_value->as_vfile(flang, &charsets), header_only, as_attachment);
1.171 parser 535: } catch(const Exception& e) { // request handling problem
1.258 paf 536:
1.445 moko 537: // OK, as native execution stack has unwound
538: anti_endless_execute_recursion=0;
539:
1.431 moko 540: // we're returning not result, but error explanation
1.442 moko 541: VException& details=*new VException(*this, e);
1.431 moko 542: const char* exception_cstr=get_exception_cstr(e, details);
543:
544: // reset language to default
545: flang=fdefault_lang;
546: // reset response
547: response.fields().clear();
548: SAPI::clear_headers(sapi_info);
1.407 moko 549:
1.431 moko 550: // this is what we'd return in $response:body
551: const String* body_string=0;
1.407 moko 552:
1.431 moko 553: try {
1.407 moko 554: // maybe we'd be lucky enough as to report an error in a gracefull way...
555: if(const Method *method=main_class.get_method(*new String(UNHANDLED_EXCEPTION_METHOD_NAME))) {
556: // preparing parameters to @unhandled_exception[exception;stack]
557:
1.443 moko 558: Table& stack_trace=exception_trace.table(*this, details.problem_source);
1.444 moko 559: details.expire_trace();
1.407 moko 560: exception_trace.clear(); // forget all about previous life, in case there would be error inside of this method, error handled would not be mislead by old stack contents (see extract_origin)
561:
1.442 moko 562: Value *params[]={&details, new VTable(&stack_trace)};
1.407 moko 563: METHOD_FRAME_ACTION(*method, 0 /*no caller*/, main_class, {
564: frame.store_params(params, 2);
565: call(frame);
566: body_string=&frame.result().as_string();
567: });
568: }
1.383 moko 569:
1.407 moko 570: // conditionally log it
1.442 moko 571: Value* vhandled=details.handled();
1.407 moko 572: if(!vhandled || !vhandled->as_bool()) {
573: SAPI::log(sapi_info, "%s", exception_cstr);
574: }
1.431 moko 575: } catch(const Exception& e) { // exception in @unhandled_exception
1.442 moko 576: VException& details=*new VException(*this, e);
1.431 moko 577: // logging both initial and new exceptions
578: SAPI::log(sapi_info, "%s", exception_cstr);
579: SAPI::log(sapi_info, "Exception in @unhandled_exception at %s", get_exception_cstr(e, details));
580: SAPI::send_error(sapi_info, "Exception in @unhandled_exception, details are available in Parser error log.");
581: return;
582: }
1.383 moko 583:
1.431 moko 584: if(body_string) { // could report an error beautifully?
585: VString body_vstring(*body_string);
586: output_result(body_vstring.as_vfile(flang, &charsets), header_only, false);
587: } else {
588: // doing that ugly
589: SAPI::send_error(sapi_info, exception_cstr, strcmp(e.type(), "file.missing") ? "500" : "404");
1.268 paf 590: }
1.1 paf 591: }
592: }
593:
1.266 paf 594: uint Request::register_file(String::Body file_spec) {
1.248 paf 595: file_list+=file_spec;
596: return file_list.count()-1;
597: }
598:
1.387 moko 599: void Request::use_file_directly(const String& file_spec, bool fail_on_file_absence, bool with_auto_p) {
1.73 paf 600: // cyclic dependence check
1.318 misha 601: if(used_files.get(file_spec))
1.248 paf 602: return;
1.318 misha 603: used_files.put(file_spec, true);
604:
1.385 moko 605: if(!fail_on_file_absence && !entry_exists(file_spec)) // ignore file absence if asked for
606: return;
1.318 misha 607:
1.386 moko 608: if(with_auto_p) {
609: // loading auto.p files from document_root/..
610: // to the one beside requested file.
611: // all assigned bases from upper dir
612: const char* target=file_spec.cstr();
613:
614: // all relative paths are calculated from main document
615: request_info.path_translated=target;
616:
617: const char* after=target;
618: size_t drlen=strlen(request_info.document_root);
619: if(memcmp(after, request_info.document_root, drlen)==0) {
620: after+=drlen;
621: if(after[-1]=='/')
622: --after;
623: }
624:
625: while(const char* before=strchr(after, '/')) {
626: String& sfile_spec=*new String;
627: if(after!=target) {
628: sfile_spec.append_strdup(target, before-target, String::L_CLEAN);
629: sfile_spec << "/" AUTO_FILE_NAME;
630:
1.387 moko 631: use_file_directly(sfile_spec, false /*ignore absence, sole user*/);
1.386 moko 632: }
633: for(after=before+1;*after=='/';after++);
634: }
635: }
636:
1.385 moko 637: if(const char* source=file_read_text(charsets, file_spec, true))
1.387 moko 638: use_buf(main_class, source, 0, register_file(file_spec));
1.318 misha 639: }
640:
641:
1.387 moko 642: void Request::use_file(const String& file_name, const String* use_filespec/*absolute*/, bool with_auto_p) {
1.326 misha 643: if(file_name.is_empty())
1.366 moko 644: throw Exception(PARSER_RUNTIME, 0, "usage failed - no filename was specified");
1.326 misha 645:
1.318 misha 646: const String* filespec=0;
647:
648: if(file_name.first_char()=='/') //absolute path? [no need to scan MAIN:CLASS_PATH]
1.388 moko 649: filespec=&full_disk_path(file_name);
1.318 misha 650: else if(use_filespec){ // search in current dir first
1.331 misha 651: size_t last_slash_pos=use_filespec->strrpbrk("/");
652: if(last_slash_pos!=STRING_NOT_FOUND)
653: filespec=file_exist(use_filespec->mid(0, last_slash_pos), file_name); // found in current dir?
1.318 misha 654: }
655:
656: if(!filespec){
657: // prevent multiple scan CLASS_PATH for searching one file
658: if(searched_along_class_path.get(file_name))
659: return;
660: searched_along_class_path.put(file_name, true);
1.308 misha 661: if(Value* element=main_class.get_element(class_path_name)) {
1.233 paf 662: if(element->is_string()) {
1.388 moko 663: filespec=file_exist(full_disk_path(element->as_string()), file_name); // found at class_path?
1.233 paf 664: } else if(Table *table=element->get_table()) {
1.318 misha 665: for(size_t i=table->count(); i--; ) {
1.248 paf 666: const String& path=*(*table->get(i))[0];
1.388 moko 667: if(filespec=file_exist(full_disk_path(path), file_name))
1.233 paf 668: break; // found along class_path
669: }
670: } else
1.366 moko 671: throw Exception(PARSER_RUNTIME, 0, "$" CLASS_PATH_NAME " must be string or table");
1.318 misha 672: if(!filespec)
1.415 moko 673: throw Exception(PARSER_RUNTIME, &file_name, "not found along $MAIN:" CLASS_PATH_NAME);
1.318 misha 674: } else
1.415 moko 675: throw Exception(PARSER_RUNTIME, &file_name, "usage failed - no $MAIN:" CLASS_PATH_NAME " were specified");
1.148 parser 676: }
1.230 paf 677:
1.387 moko 678: use_file_directly(*filespec, true, with_auto_p);
1.16 paf 679: }
680:
1.364 moko 681: void Request::use_file(const String& file_name, const String* use_filespec/*absolute*/, Operation::Origin origin) {
1.349 moko 682: static String use("USE");
683: try {
1.364 moko 684: static VHash* voptions=new VHash();
1.376 moko 685: if(const Method *method=main_class.get_method(use_method_name)){
1.364 moko 686: Value *params[]={new VString(file_name), voptions};
687: voptions->hash().put(origin_key, new VString(*use_filespec));
688:
689: CONSTRUCTOR_FRAME_ACTION(*method, 0 /*no parent*/, main_class, {
690: frame.store_params(params, 2);
691: // we don't need the result
692: call(frame);
693: });
694: }
1.349 moko 695: } catch (...) {
696: exception_trace.push(Trace(&use, origin));
697: rethrow;
698: }
699: }
1.208 paf 700:
1.358 moko 701: void Request::use_buf(VStateless_class& aclass, const char* source, const String* main_alias, uint file_no, int line_no_offset) {
702: // temporary zero @conf to avoid it second execution
1.248 paf 703: Temp_method temp_method_conf(aclass, conf_method_name, 0);
1.358 moko 704: // temporary zero @auto to avoid it second execution
1.248 paf 705: Temp_method temp_method_auto(aclass, auto_method_name, 0);
1.233 paf 706:
1.295 misha 707: // compile loaded classes
708: ArrayClass& cclasses=compile(&aclass, source, main_alias, file_no, line_no_offset);
1.212 paf 709:
1.248 paf 710: VString* vfilespec=
1.435 moko 711: new VString(file_list[file_no]);
1.295 misha 712:
713: for(size_t i=0; i<cclasses.count(); i++){
714: VStateless_class& cclass=*cclasses.get(i);
1.296 misha 715:
716: // locate and execute possible @conf[] static
1.382 moko 717: if(execute_method_if_exists(cclass, conf_method_name, vfilespec))
1.295 misha 718: configure_admin(cclass/*, executed.method->name*/);
719:
720: // locate and execute possible @auto[] static
1.419 moko 721: execute_auto_method_if_exists(cclass, auto_method_name, vfilespec);
1.336 moko 722:
723: cclass.enable_default_setter();
1.295 misha 724: }
1.19 paf 725: }
726:
1.248 paf 727: const String& Request::relative(const char* apath, const String& relative_name) {
1.341 moko 728: char *hpath=pa_strdup(apath);
1.248 paf 729: String& result=*new String;
730: if(rsplit(hpath, '/')) // if something/splitted
1.217 paf 731: result << hpath << "/";
1.248 paf 732: result << relative_name;
733: return result;
1.19 paf 734: }
735:
1.388 moko 736: const String& Request::full_disk_path(const String& relative_name) {
1.441 moko 737: if(is_os_absolute_path(relative_name))
738: return relative_name;
1.217 paf 739: if(relative_name.first_char()=='/') {
1.341 moko 740: String& result=*new String(pa_strdup(request_info.document_root));
1.104 paf 741: result << relative_name;
1.19 paf 742: return result;
1.389 moko 743: }
1.441 moko 744: if(relative_name.starts_with("http://") || relative_name.starts_with("parser://"))
1.389 moko 745: return relative_name;
746:
747: return relative(request_info.path_translated ? request_info.path_translated : request_info.document_root, relative_name);
1.1 paf 748: }
1.45 paf 749:
1.267 paf 750: #ifndef DOXYGEN
751: class Add_header_attribute_info
752: {
753: public:
754: Add_header_attribute_info(Request& ar) : r(ar), add_last_modified(true) {}
755: Request& r;
756: bool add_last_modified;
757: };
758: #endif
1.344 moko 759: static void add_header_attribute(HashStringValue::key_type name, HashStringValue::value_type value, Add_header_attribute_info* info) {
760: if(name==BODY_NAME_UPPER || name==DOWNLOAD_NAME_UPPER || name==CHARSET_NAME_UPPER)
1.101 paf 761: return;
1.290 misha 762:
1.345 moko 763: if(name==LAST_MODIFIED_NAME_UPPER)
764: info->add_last_modified=false;
765:
1.316 misha 766: const char* aname=String(name, String::L_URI).untaint_and_transcode_cstr(String::L_URI, &info->r.charsets);
1.101 paf 767:
1.267 paf 768: SAPI::add_header_attribute(info->r.sapi_info,
1.345 moko 769: aname,
1.316 misha 770: attributed_meaning_to_string(*value, String::L_URI, false).untaint_and_transcode_cstr(String::L_URI, &info->r.charsets)
1.303 misha 771: );
1.267 paf 772: }
773:
1.366 moko 774: static void output_sole_piece(Request& r, bool header_only, VFile& body_file, Value* body_file_content_type) {
1.267 paf 775: // transcode text body when "text/*" or simple result
776: String::C output(body_file.value_ptr(), body_file.value_size());
777: if(!body_file_content_type/*vstring.as_vfile*/ || body_file_content_type->as_string().pos("text/")==0)
1.366 moko 778: output=Charset::transcode(output, r.charsets.source(), r.charsets.client());
1.267 paf 779:
1.311 misha 780: // prepare header: Content-Length
1.428 moko 781: SAPI::add_header_attribute(r.sapi_info, HTTP_CONTENT_LENGTH, pa_uitoa(output.length));
1.267 paf 782:
783: // send header
1.430 moko 784: SAPI::send_headers(r.sapi_info);
1.267 paf 785:
786: // send body
787: if(!header_only)
788: SAPI::send_body(r.sapi_info, output.str, output.length);
789: }
790:
791: #ifndef DOXYGEN
792: struct Range
793: {
1.396 moko 794: uint64_t start;
795: uint64_t end;
1.267 paf 796: };
797: #endif
1.396 moko 798:
799: #define UNSET ((uint64_t)-1)
800:
1.313 misha 801: static void parse_range(const String* s, Array<Range> &ar) {
1.267 paf 802: const char *p = s->cstr();
803: if(s->starts_with("bytes="))
804: p += 6;
805: Range r;
806: while(*p){
1.396 moko 807: r.start = UNSET;
808: r.end = UNSET;
1.401 moko 809:
810: while(*p==' ' || *p=='\t') p++;
811:
1.267 paf 812: if(*p >= '0' && *p <= '9'){
1.416 moko 813: const char *n=p;
1.401 moko 814: while(*p>='0' && *p<='9') p++;
1.440 moko 815: r.start = pa_atoul(pa_strdup(n, p-n)); // ((uint64_t)-1) is treated as UNSET
1.267 paf 816: }
1.401 moko 817:
818: while(*p==' ' || *p=='\t') p++;
819:
1.267 paf 820: if(*p++ != '-') break;
1.401 moko 821:
822: while(*p==' ' || *p=='\t') p++;
823:
1.267 paf 824: if(*p >= '0' && *p <= '9'){
1.416 moko 825: const char *n=p;
1.401 moko 826: while(*p>='0' && *p<='9') p++;
1.440 moko 827: r.end = pa_atoul(pa_strdup(n, p-n)); // ((uint64_t)-1) is treated as UNSET
1.267 paf 828: }
1.401 moko 829:
830: while(*p==' ' || *p=='\t') p++;
831:
832: if(*p)
833: if(*p++ != ',') break;
834:
1.267 paf 835: ar += r;
836: }
1.101 paf 837: }
1.267 paf 838:
1.400 moko 839: struct Send_range_action_info {
840: Request *r;
841: uint64_t offset;
842: uint64_t part_length;
843: };
844:
845: static void send_range(struct stat& /*finfo*/, int f, const String& /*file_spec*/, void *context){
846: Send_range_action_info &info = *(Send_range_action_info*)context;
847:
1.430 moko 848: SAPI::send_headers(info.r->sapi_info);
1.400 moko 849: pa_lseek(f, info.offset, SEEK_SET);
850:
1.432 moko 851: char buf[FILE_BUFFER_SIZE];
1.400 moko 852: do{
1.432 moko 853: size_t to_read = info.part_length < FILE_BUFFER_SIZE ? (size_t)info.part_length : FILE_BUFFER_SIZE;
1.400 moko 854: size_t to_write = file_block_read(f, buf, to_read);
855:
856: if(to_write == 0)
857: break;
858:
859: size_t size = SAPI::send_body(info.r->sapi_info, buf, to_write);
860: if(size != to_write)
861: break;
862:
863: info.part_length -= to_write;
864: } while (info.part_length);
865: }
866:
1.396 moko 867: static void output_pieces(Request& r, bool header_only, const String& filename, uint64_t content_length, Value& date, bool add_last_modified) {
1.315 misha 868: SAPI::add_header_attribute(r.sapi_info, "accept-ranges", "bytes");
1.270 paf 869:
1.339 moko 870: const char *range = SAPI::Env::get(r.sapi_info, "HTTP_RANGE");
1.396 moko 871: uint64_t offset=0;
872: uint64_t part_length=content_length;
1.401 moko 873:
874: if(range && content_length){
1.267 paf 875: Array<Range> ar;
876: parse_range(new String(range), ar);
1.396 moko 877: int count = ar.count();
1.267 paf 878: if(count == 1){
879: Range &rg = ar.get_ref(0);
1.401 moko 880:
881: if(rg.start == UNSET && rg.end == UNSET)
882: return SAPI::send_error(r.sapi_info, "", "416");
883:
1.396 moko 884: if(rg.start == UNSET && rg.end != UNSET){
1.440 moko 885: if(rg.end == 0)
886: return SAPI::send_error(r.sapi_info, "", "416");
1.401 moko 887: if(rg.end > content_length)
888: rg.end = content_length;
1.404 moko 889: rg.start = content_length - rg.end;
890: rg.end = content_length-1;
1.401 moko 891: } else if(rg.start != UNSET && rg.end == UNSET){
892: if(rg.start >= content_length)
893: return SAPI::send_error(r.sapi_info, "", "416");
1.267 paf 894: rg.end = content_length-1;
1.401 moko 895: } else {
896: if(rg.start >= content_length || rg.start > rg.end)
897: return SAPI::send_error(r.sapi_info, "", "416");
898: if(rg.end >= content_length)
899: rg.end = content_length-1;
1.267 paf 900: }
1.401 moko 901:
902: offset = rg.start;
903: part_length = rg.end-rg.start+1;
904:
1.400 moko 905: char buf[MAX_STRING];
1.448 moko 906: snprintf(buf, MAX_STRING, "bytes %s-%s/%s", pa_uitoa(rg.start), pa_uitoa(rg.end), pa_uitoa(content_length));
1.401 moko 907: SAPI::add_header_attribute(r.sapi_info, HTTP_STATUS, "206");
1.315 misha 908: SAPI::add_header_attribute(r.sapi_info, "content-range", buf);
1.401 moko 909: } else {
1.410 moko 910: return SAPI::send_error(r.sapi_info, count ? "Multiple ranges are not supported" : "Invalid range", count ? "501" : "400");
1.267 paf 911: }
912: }
913:
1.428 moko 914: SAPI::add_header_attribute(r.sapi_info, HTTP_CONTENT_LENGTH, pa_uitoa(part_length));
1.267 paf 915:
1.314 misha 916: if(add_last_modified)
1.315 misha 917: SAPI::add_header_attribute(r.sapi_info, "last-modified", attributed_meaning_to_string(date, String::L_AS_IS, true).cstr());
1.314 misha 918:
1.414 moko 919: if(header_only){
1.430 moko 920: SAPI::send_headers(r.sapi_info);
1.414 moko 921: } else {
1.400 moko 922: Send_range_action_info info = { &r, offset, part_length};
923: file_read_action_under_lock(r.full_disk_path(filename), "send", send_range, &info);
1.267 paf 924: }
925: }
926:
1.248 paf 927: void Request::output_result(VFile* body_file, bool header_only, bool as_attachment) {
1.51 paf 928: // header: cookies
1.248 paf 929: cookie.output_result(sapi_info);
1.51 paf 930:
1.394 moko 931: // $.file and $.name (when body is real vfile)
932: Value* vfile = body_file->fields().get(response_body_file_name);
933: Value* vname = body_file->fields().get(name_name);
934:
935: const String* sfile = vfile ? &vfile->as_string() : NULL;
936: const String* sname = vname ? &vname->as_string() : NULL;
937:
938: if(sname && *sname == NONAME_DAT)
939: sname = NULL;
1.92 paf 940:
1.409 moko 941: // Content-Disposition, use $.name[<empty>] to avoid
1.394 moko 942: const String* disposition_name = sname ? sname->is_empty() ? NULL : sname : sfile;
943: if(disposition_name) {
1.420 moko 944: String& filename = *new String(pa_filename(disposition_name->cstr()), String::L_URI);
945: String& filename_asterisk = *new String(charsets.client().NAME(), String::L_CLEAN) << (*new String("''")) << filename;
946:
1.394 moko 947: VHash& hash=*new VHash();
948: hash.hash().put(value_name, new VString(as_attachment ? content_disposition_attachment : content_disposition_inline));
1.420 moko 949: hash.hash().put(content_disposition_filename_name, new VString(filename));
950: hash.hash().put(content_disposition_filename_name_asterisk, new VString(filename_asterisk));
1.394 moko 951: response.fields().put(content_disposition_name_upper, &hash);
952: }
1.267 paf 953:
1.394 moko 954: // _file_ content-type might be specified
955: Value* body_file_content_type = body_file->fields().get(content_type_name);
956: if(!body_file_content_type){
957: const String* scontent_name = sname && !sname->is_empty() ? sname : sfile;
958: if(scontent_name)
959: body_file_content_type = new VString(mime_type_of(scontent_name->cstr()));
1.267 paf 960: }
961:
1.312 misha 962: // set Content-Type
1.314 misha 963: if(body_file_content_type) {
964: // body file content type
1.344 moko 965: response.fields().put(content_type_name_upper, body_file_content_type);
1.314 misha 966: } else {
967: // default content type
1.344 moko 968: response.fields().put_dont_replace(content_type_name_upper, new VString(*new String(DEFAULT_CONTENT_TYPE)));
1.314 misha 969: }
1.312 misha 970:
1.314 misha 971: // prepare header: $response:fields without :body, :download and :charset
1.267 paf 972: Add_header_attribute_info info(*this);
1.281 paf 973: response.fields().for_each<Add_header_attribute_info*>(add_header_attribute, &info);
1.50 paf 974:
1.394 moko 975: if(sfile) {
1.314 misha 976: // $response:[download|body][$.file[filespec]] -- optput specified file
1.367 moko 977: uint64_t content_length=0;
1.267 paf 978: time_t atime=0, mtime=0, ctime=0;
1.394 moko 979: file_stat(full_disk_path(*sfile), content_length, atime, mtime, ctime);
1.267 paf 980:
981: VDate* vdate=0;
982: if(Value* v=body_file->fields().get("mdate")) {
1.423 moko 983: vdate=dynamic_cast<VDate*>(v);
984: if(!vdate)
1.286 misha 985: throw Exception(PARSER_RUNTIME, 0, "mdate must be a date");
1.267 paf 986: }
987: if(!vdate)
1.346 moko 988: vdate=new VDate((pa_time_t)mtime);
1.62 paf 989:
1.399 moko 990: output_pieces(*this, header_only, *sfile, content_length, *vdate, info.add_last_modified);
1.267 paf 991: } else {
1.314 misha 992: if(body_file_content_type)
993: if(HashStringValue *hash=body_file_content_type->get_hash())
994: body_file_content_type=hash->get(value_name);
995:
1.366 moko 996: output_sole_piece(*this, header_only, *body_file, body_file_content_type);
1.267 paf 997: }
1.50 paf 998: }
1.104 paf 999:
1.328 misha 1000: const String& Request::mime_type_of(const String* file_name) {
1001: return mime_type_of(file_name?file_name->taint_cstr(String::L_FILE_SPEC):0);
1002: }
1003:
1.248 paf 1004: const String& Request::mime_type_of(const char* user_file_name_cstr) {
1.104 paf 1005: if(mime_types)
1.248 paf 1006: if(const char* cext=strrchr(user_file_name_cstr, '.')) {
1007: String sext(++cext);
1.246 paf 1008: Table::Action_options options;
1.342 moko 1009: if(mime_types->locate(0, sext.change_case(charsets.source(), String::CC_LOWER), options)) {
1.313 misha 1010: if(const String* result=mime_types->item(1))
1011: return *result;
1.104 paf 1012: else
1.395 moko 1013: throw Exception(PARSER_RUNTIME, 0, MIME_TYPES_NAME " table column elements must not be empty");
1.342 moko 1014: }
1.104 paf 1015: }
1.248 paf 1016:
1017: return *new String("application/octet-stream");
1018: }
1019:
1.365 moko 1020: const String* Request::get_used_filespec(uint file_no){
1.318 misha 1021: if(file_no < file_list.count())
1022: return new String(file_list[file_no], String::L_TAINTED);
1023: return 0;
1024: }
1025:
1.248 paf 1026: #ifdef XML
1.280 paf 1027: xmlChar* Request::transcode(const String& s) {
1.248 paf 1028: return charsets.source().transcode(s);
1029: }
1030:
1.280 paf 1031: xmlChar* Request::transcode(const String::Body s) {
1.248 paf 1032: return charsets.source().transcode(s);
1033: }
1034:
1.280 paf 1035: const String& Request::transcode(const xmlChar* s) {
1.248 paf 1036: return charsets.source().transcode(s);
1.233 paf 1037: }
1.248 paf 1038: #endif
1039:
1.442 moko 1040: VException::VException(Request& r, const Exception& e):
1041: fexception(e), fhandled(&VBool::get(false)),
1.444 moko 1042: ftrace_bottom(r.exception_trace.bottom_index()), ftrace_top(r.exception_trace.top_index()),
1.442 moko 1043: origin(Operation::Origin::create(0, 0, 0)), problem_source(e.problem_source()) {
1044: Request::Exception_trace& exception_trace=r.exception_trace;
1.248 paf 1045:
1.349 moko 1046: if(!exception_trace.is_empty()) {
1.442 moko 1047: Request::Trace bottom=exception_trace.bottom_value();
1.350 moko 1048: origin=bottom.origin();
1.443 moko 1049: if(!problem_source) // we don't know who trigged the bug
1.350 moko 1050: problem_source=bottom.name(); // we usually know source of next-from-throw-point exception did that
1.248 paf 1051: }
1.442 moko 1052: if(origin.file_no)
1053: ffile=r.file_list[origin.file_no];
1054: }
1055:
1056: Value* VException::handled() {
1057: return fhash ? fhash->get(Symbols::HANDLED_SYMBOL) : fhandled;
1058: }
1.248 paf 1059:
1.444 moko 1060: Table& VException::stack(Request& r) {
1061: if(ftrace_top==size_t(-1))
1062: throw Exception(PARSER_RUNTIME, 0, "exception stack used outside of context");
1063: return r.exception_trace.table(r, problem_source, ftrace_bottom, ftrace_top);
1064: }
1065:
1.442 moko 1066: Value* VException::get_element(const String& name) {
1067: if(!fhash) {
1068: if(SYMBOLS_EQ(name,HANDLED_SYMBOL))
1069: return fhandled;
1070: if(SYMBOLS_EQ(name,TYPE_SYMBOL))
1071: return fexception.type(true) ? new VString(*new String(fexception.type())) : 0;
1072: if(SYMBOLS_EQ(name,SOURCE_SYMBOL))
1073: return problem_source ? new VString(*problem_source) : 0;
1074: if(SYMBOLS_EQ(name,COMMENT_SYMBOL))
1075: return fexception.comment(true) ? new VString(fexception.comment()) : 0;
1076: if(SYMBOLS_EQ(name,FILE_SYMBOL))
1077: return origin.file_no ? new VString(ffile) : 0;
1078: if(SYMBOLS_EQ(name,LINENO_SYMBOL))
1079: return origin.file_no ? new VInt(1+origin.line) : 0;
1080: if(SYMBOLS_EQ(name,COLNO_SYMBOL))
1081: return origin.file_no ? new VInt(1+origin.col) : 0;
1082: if(SYMBOLS_EQ(name,FIELDS_SYMBOL))
1083: return this;
1084: }
1085: // Computed field names need not be interned: use ordinary hash lookup.
1086: return VHashReference::get_element(name);
1087: }
1088:
1089: const VJunction* VException::put_element(const String& name, Value* value) {
1090: if(!fhash && SYMBOLS_EQ(name,HANDLED_SYMBOL)) {
1091: fhandled=value;
1092: return 0;
1093: }
1094: return VHashReference::put_element(name, value);
1095: }
1096:
1097: HashStringValue& VException::hash() {
1098: if(fhash)
1099: return *fhash;
1100: HashStringValue& result=*new HashStringValue;
1.248 paf 1101:
1.442 moko 1102: if(const char* type=fexception.type(true))
1103: result.put(Symbols::TYPE_SYMBOL, new VString(*new String(type)));
1.349 moko 1104: if(problem_source)
1.442 moko 1105: result.put(Symbols::SOURCE_SYMBOL, new VString(*problem_source));
1106: if(origin.file_no) {
1107: result.put(Symbols::FILE_SYMBOL, new VString(ffile));
1108: result.put(Symbols::LINENO_SYMBOL, new VInt(1+origin.line));
1109: result.put(Symbols::COLNO_SYMBOL, new VInt(1+origin.col));
1110: }
1111: if(const char* comment=fexception.comment(true))
1112: result.put(Symbols::COMMENT_SYMBOL, new VString(comment));
1113: result.put(Symbols::HANDLED_SYMBOL, fhandled);
1.248 paf 1114:
1.442 moko 1115: fhash=&result;
1116: return result;
1.133 parser 1117: }
1.337 moko 1118:
1119: Temp_value_element::Temp_value_element(Request& arequest, Value& awhere, const String& aname, Value* awhat) :
1120: frequest(arequest),
1121: fwhere(awhere),
1122: fname(aname),
1123: saved(awhere.get_element(aname))
1124: {
1125: Junction* junction;
1126: if(saved && (junction=saved->get_junction()) && junction->is_getter)
1127: saved=0;
1128: frequest.put_element(fwhere, aname, awhat);
1129: }
1130:
1131: Temp_value_element::~Temp_value_element() {
1132: frequest.put_element(fwhere, fname, saved ? saved : VVoid::get());
1133: }
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