Annotation of parser3/src/main/pa_request.C, revision 1.441
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"
1.441 ! moko 10: #include "pa_dir.h"
1.372 moko 11: #include "pa_os.h"
1.1 paf 12: #include "pa_request.h"
1.3 paf 13: #include "pa_wwrapper.h"
14: #include "pa_vclass.h"
1.31 paf 15: #include "pa_globals.h"
1.30 paf 16: #include "pa_vint.h"
1.297 misha 17: #include "pa_vmethod_frame.h"
1.32 paf 18: #include "pa_types.h"
1.248 paf 19: #include "pa_venv.h"
20: #include "pa_vmath.h"
21: #include "pa_vstatus.h"
22: #include "pa_vrequest.h"
1.78 paf 23: #include "pa_vtable.h"
1.90 paf 24: #include "pa_vfile.h"
1.147 parser 25: #include "pa_dictionary.h"
1.208 paf 26: #include "pa_charset.h"
1.186 paf 27: #include "pa_charsets.h"
1.248 paf 28: #include "pa_cache_managers.h"
1.402 moko 29: #include "pa_http.h"
1.248 paf 30: #include "pa_vmail.h"
31: #include "pa_vform.h"
32: #include "pa_vcookie.h"
33: #include "pa_vresponse.h"
34: #include "pa_vmemory.h"
1.253 paf 35: #include "pa_vconsole.h"
1.267 paf 36: #include "pa_vdate.h"
1.424 moko 37: #include "pa_varray.h"
1.159 parser 38:
1.441 ! moko 39: volatile const char * IDENT_PA_REQUEST_C="$Id: pa_request.C,v 1.440 2026/05/24 14:16:27 moko Exp $" IDENT_PA_REQUEST_H IDENT_PA_REQUEST_CHARSETS_H IDENT_PA_REQUEST_INFO_H IDENT_PA_VCONSOLE_H;
1.329 moko 40:
1.248 paf 41: // consts
42:
1.269 paf 43: #define UNHANDLED_EXCEPTION_METHOD_NAME "unhandled_exception"
1.207 paf 44:
1.82 paf 45: /// content type of response when no $MAIN:defaults.content-type defined
1.248 paf 46: const char* DEFAULT_CONTENT_TYPE="text/html";
47:
1.425 moko 48: const uint LOOP_LIMIT=100000;
49: const uint ARRAY_LIMIT=1000000;
1.427 moko 50: const uint EXECUTE_RECURSION_LIMIT=1000;
1.390 moko 51: const uint HTTPD_TIMEOUT=4;
1.369 moko 52: const size_t FILE_SIZE_LIMIT=512*1024*1024;
1.361 moko 53:
1.248 paf 54: // defines for globals
55:
56: #define MAIN_METHOD_NAME "main"
57: #define AUTO_METHOD_NAME "auto"
1.364 moko 58: #define USE_METHOD_NAME "use"
1.309 misha 59: #define AUTOUSE_METHOD_NAME "autouse"
1.364 moko 60:
1.248 paf 61: #define EXCEPTION_TYPE_PART_NAME "type"
62: #define EXCEPTION_SOURCE_PART_NAME "source"
63: #define EXCEPTION_COMMENT_PART_NAME "comment"
64:
1.364 moko 65: #define ORIGIN_KEY "origin"
66:
1.248 paf 67: // globals
68:
69: const String main_method_name(MAIN_METHOD_NAME);
70: const String auto_method_name(AUTO_METHOD_NAME);
1.364 moko 71: static const String use_method_name(USE_METHOD_NAME);
72: static const String autouse_method_name(AUTOUSE_METHOD_NAME);
1.311 misha 73:
1.433 moko 74: const String::Body exception_type_part_name(EXCEPTION_TYPE_PART_NAME);
75: const String::Body exception_source_part_name(EXCEPTION_SOURCE_PART_NAME);
76: const String::Body exception_comment_part_name(EXCEPTION_COMMENT_PART_NAME);
77: const String::Body exception_handled_part_name(EXCEPTION_HANDLED_PART_NAME);
1.248 paf 78:
1.364 moko 79: static const String origin_key(ORIGIN_KEY);
80:
1.369 moko 81: int pa_loop_limit=LOOP_LIMIT;
1.425 moko 82: int pa_array_limit=ARRAY_LIMIT;
1.427 moko 83: int pa_execute_recursion_limit=EXECUTE_RECURSION_LIMIT;
1.390 moko 84: int pa_httpd_timeout=HTTPD_TIMEOUT;
1.369 moko 85: size_t pa_file_size_limit=FILE_SIZE_LIMIT;
1.361 moko 86:
1.248 paf 87: // defines for statics
88:
89: #define MIME_TYPES_NAME "MIME-TYPES"
90: #define CLASS_PATH_NAME "CLASS_PATH"
91:
1.344 moko 92: #define DOWNLOAD_NAME_UPPER "DOWNLOAD"
93: #define BODY_NAME_UPPER "BODY"
94:
1.248 paf 95: // statics
96:
97: static const String main_class_name(MAIN_CLASS_NAME);
98: static const String mime_types_name(MIME_TYPES_NAME);
1.395 moko 99: static const String class_path_name(CLASS_PATH_NAME);
1.361 moko 100:
1.395 moko 101: static const String charsets_name("CHARSETS");
102: static const String strict_vars_name("STRICT-VARS");
103: static const String prototype_name("OBJECT-PROTOTYPE");
1.415 moko 104: static const String getter_protected_name("CLASS-GETTER-PROTECTED");
105: static const String locals_name("LOCALS");
1.395 moko 106: static const String limits_name("LIMITS");
107: static const String loop_limit_name("max_loop");
1.425 moko 108: static const String array_limit_name("max_array_size");
1.427 moko 109: static const String recursion_limit_name("max_recursion");
1.395 moko 110: static const String file_size_limit_name("max_file_size");
111: static const String lock_wait_timeout_name("lock_wait_timeout");
112: static const String httpd_name("HTTPD");
113: static const String httpd_timeout_name("timeout");
1.402 moko 114: static const String httpd_mode_name("mode");
1.395 moko 115:
116: static const String conf_method_name("conf");
117: static const String post_process_method_name("postprocess");
118: static const String response_body_file_name("file");
1.248 paf 119:
1.344 moko 120: static const String download_name_upper(DOWNLOAD_NAME_UPPER);
121: static const String body_name_upper(BODY_NAME_UPPER);
122:
123: // more static
124:
125: static const String content_type_name_upper(HTTP_CONTENT_TYPE_UPPER);
126: static const String content_disposition_name_upper(CONTENT_DISPOSITION_UPPER);
1.392 moko 127: static const String content_disposition_inline(CONTENT_DISPOSITION_INLINE);
1.344 moko 128: static const String content_disposition_attachment(CONTENT_DISPOSITION_ATTACHMENT);
129:
1.420 moko 130: const String content_disposition_filename_name(CONTENT_DISPOSITION_FILENAME_NAME);
131: const String content_disposition_filename_name_asterisk("filename*");
132:
1.248 paf 133: // defines
1.82 paf 134:
1.344 moko 135: #define CHARSET_NAME_UPPER "CHARSET"
136: #define LAST_MODIFIED_NAME_UPPER "LAST-MODIFIED"
137:
1.233 paf 138: // op.C
1.248 paf 139: VStateless_class& VClassMAIN_create();
1.123 paf 140:
1.157 parser 141: //
1.408 moko 142: Request::Request(SAPI_Info& asapi_info, Request_info& arequest_info, String::Language adefault_lang):
1.248 paf 143: // private
1.427 moko 144: anti_endless_execute_recursion(0),
1.248 paf 145:
146: // public
1.335 moko 147: allow_class_replace(false),
1.248 paf 148: method_frame(0),
149: rcontext(0),
150: wcontext(0),
151: flang(adefault_lang),
1.191 paf 152: fconnection(0),
1.371 moko 153: fin_cycle(0),
1.307 misha 154: fskip(SKIP_NOTHING),
1.248 paf 155:
156: // public
1.257 paf 157: request_info(arequest_info),
1.248 paf 158: sapi_info(asapi_info),
1.359 moko 159: charsets(pa_UTF8_charset, pa_UTF8_charset, pa_UTF8_charset), // default charsets
1.248 paf 160:
161: main_class(VClassMAIN_create()),
1.260 paf 162: form(*new VForm(charsets, arequest_info)),
1.248 paf 163: mail(*new VMail),
164: response(*new VResponse(arequest_info, charsets)),
1.298 misha 165: cookie(*new VCookie(charsets, arequest_info)),
1.285 misha 166: console(*new VConsole),
1.248 paf 167:
168: // private
169: configure_admin_done(false),
170:
171: // private defaults
172: fdefault_lang(adefault_lang),
173: // private mime types
174: mime_types(0)
1.157 parser 175: {
1.261 paf 176: pa_register_thread_request(*this);
177:
1.248 paf 178: // file_no=0 => unknown
1.434 moko 179: file_list+=String::Body("UNKNOWN");
180: file_list+=String::Body("-body of process-"); // pseudo_file_no__process
1.186 paf 181:
1.178 paf 182: // maybe expire old caches
1.264 paf 183: cache_managers->maybe_expire();
1.178 paf 184:
1.157 parser 185: /// directly used
1.233 paf 186: // MAIN class, operators
1.353 moko 187: put_class(&main_class);
1.157 parser 188: // classes:
189: // table, file, random, mail, image, ...
1.248 paf 190: methoded_array().register_directly_used(*this);
1.157 parser 191:
192: /// methodless
1.354 moko 193:
1.157 parser 194: // env class
1.353 moko 195: put_class(new VEnv(asapi_info));
1.175 paf 196: // status class
1.353 moko 197: put_class(new VStatus());
1.157 parser 198: // request class
1.353 moko 199: put_class(new VRequest(arequest_info, charsets, form, asapi_info));
1.157 parser 200: // cookie class
1.353 moko 201: put_class(&cookie);
1.253 paf 202: // console class
1.353 moko 203: put_class(&console);
1.354 moko 204:
1.157 parser 205: /// methoded
1.354 moko 206:
1.157 parser 207: // response class
1.353 moko 208: put_class(&response);
1.157 parser 209: // form class
1.353 moko 210: put_class(&form);
1.213 paf 211: // mail class
1.353 moko 212: put_class(&mail);
1.157 parser 213: // math class
1.353 moko 214: put_class(new VMath);
1.248 paf 215: // memory class
1.353 moko 216: put_class(new VMemory);
1.117 paf 217: }
1.192 paf 218:
219: Request::~Request() {
220: #ifdef XML
221: // if for some strange reason xml generic errors failed to be reported, free them up
1.248 paf 222: if(const char* xml_generic_errors=xmlGenericErrors()) {
223: SAPI::log(sapi_info, "warning: unreported xmlGenericErrors: %s", xml_generic_errors);
1.341 moko 224: pa_free((void *)xml_generic_errors);
1.192 paf 225: }
226: #endif
227: }
1.236 paf 228:
1.248 paf 229: Value& Request::get_self() { return method_frame/*always have!*/->self(); }
1.192 paf 230:
1.355 moko 231: VStateless_class* Request::get_class(const String& name){
232: VStateless_class* result=classes().get(name);
1.313 misha 233: if(!result)
1.375 moko 234: if(const Method *method=main_class.get_element_method(autouse_method_name)){
1.364 moko 235: Value *vname=new VString(name);
236: CONSTRUCTOR_FRAME_ACTION(*method, 0 /*no parent*/, main_class, {
237: frame.store_params(&vname, 1);
238: // we don't need the result
239: call(frame);
240: });
241: result=classes().get(name);
242: }
1.309 misha 243: return result;
244: }
245:
1.411 moko 246: VStateless_class& Request::get_class_ref(const String& name){
247: VStateless_class* result=get_class(name);
248: if(!result)
249: throw Exception(PARSER_RUNTIME, &name, "class is undefined");
250: return *result;
251: }
252:
1.424 moko 253: bool Request::add_class(const char* atype, VStateless_class *aclass){
1.436 moko 254: if(!classes().put_dont_replace(String::Body(atype), aclass))
255: return true;
1.437 moko 256: if(!allow_class_replace && strcmp(atype, VARRAY_TYPE))
257: return false;
1.436 moko 258: classes().remove(String::Body(atype));
1.424 moko 259: classes().put(atype, aclass);
260: return true;
261: }
262:
1.356 moko 263: static void load_charset(HashStringValue::key_type akey, HashStringValue::value_type avalue, Request_charsets* charsets) {
1.359 moko 264: pa_charsets.load_charset(*charsets, akey, avalue->as_string());
1.208 paf 265: }
1.356 moko 266:
1.395 moko 267:
268: #define CONF_OPTION(config, name, code, exception_name) \
269: if(config) \
270: if(Value* option=config->get_element(name)) { \
271: if(option->is_evaluated_expr()) { \
272: code; \
273: } else \
1.415 moko 274: throw Exception(PARSER_RUNTIME, 0, "$MAIN:" exception_name, name.cstr()); \
1.395 moko 275: }
276:
1.248 paf 277: void Request::configure_admin(VStateless_class& conf_class) {
1.208 paf 278: if(configure_admin_done)
1.356 moko 279: throw Exception(PARSER_RUNTIME, 0, "parser already configured");
1.208 paf 280: configure_admin_done=true;
281:
1.227 paf 282: // charsets must only be specified in method_frame config
1.208 paf 283: // so that users would not interfere
284:
285: /* $MAIN:CHARSETS[
286: $.charsetname1[/full/path/to/charset/file.cfg]
287: ...
288: ]
289: */
1.308 misha 290: if(Value* vcharsets=conf_class.get_element(charsets_name)) {
1.342 moko 291: if(!vcharsets->is_string()) {
1.248 paf 292: if(HashStringValue* charsets=vcharsets->get_hash())
1.281 paf 293: charsets->for_each<Request_charsets*>(load_charset, &this->charsets);
1.240 paf 294: else
1.415 moko 295: throw Exception(PARSER_RUNTIME, 0, "$MAIN:%s must be hash", charsets_name.cstr());
1.342 moko 296: }
1.208 paf 297: }
298:
1.330 moko 299: #ifdef STRICT_VARS
1.332 moko 300: VVoid::strict_vars=false;
1.330 moko 301: if(Value* strict_vars=conf_class.get_element(strict_vars_name)) {
302: if(strict_vars->is_bool())
303: VVoid::strict_vars=strict_vars->as_bool();
1.357 moko 304: else
1.415 moko 305: throw Exception(PARSER_RUNTIME, 0, "$MAIN:%s must be bool", strict_vars_name.cstr());
1.357 moko 306: }
307: #endif
308:
309: #ifdef OBJECT_PROTOTYPE
310: VClass::prototype=true;
311: if(Value* prototype=conf_class.get_element(prototype_name)) {
312: if(prototype->is_bool())
313: VClass::prototype=prototype->as_bool();
314: else
1.415 moko 315: throw Exception(PARSER_RUNTIME, 0, "$MAIN:%s must be bool", prototype_name.cstr());
1.330 moko 316: }
317: #endif
318:
1.415 moko 319: #ifdef CLASS_GETTER_UNPROTECTED
320: VClass::getter_protected=true;
321: if(Value* getter_protected=conf_class.get_element(getter_protected_name)) {
322: if(getter_protected->is_bool())
323: VClass::getter_protected=getter_protected->as_bool();
324: else
325: throw Exception(PARSER_RUNTIME, 0, "$MAIN:%s must be bool", getter_protected_name.cstr());
326: }
327: #endif
328:
329: VStateless_class::gall_vars_local=false;
330: if(Value* locals=conf_class.get_element(locals_name)) {
331: if(locals->is_bool()){
332: VStateless_class::gall_vars_local=locals->as_bool();
333: main_class.set_all_vars_local();
334: } else
335: throw Exception(PARSER_RUNTIME, 0, "$MAIN:%s must be bool", locals_name.cstr());
336: }
337:
1.362 moko 338: Value* limits=conf_class.get_element(limits_name);
339:
1.361 moko 340: pa_loop_limit=LOOP_LIMIT;
1.395 moko 341: CONF_OPTION(limits, loop_limit_name, {
342: pa_loop_limit=option->as_int();
343: if(pa_loop_limit==0) pa_loop_limit=INT_MAX;
344: }, "LIMITS.%s must be int");
1.361 moko 345:
1.425 moko 346: pa_array_limit=ARRAY_LIMIT;
347: CONF_OPTION(limits, array_limit_name, {
348: pa_array_limit=option->as_int();
349: if(pa_array_limit==0) pa_array_limit=INT_MAX;
350: }, "LIMITS.%s must be int");
351:
1.427 moko 352: pa_execute_recursion_limit=EXECUTE_RECURSION_LIMIT;
353: CONF_OPTION(limits, recursion_limit_name, {
354: pa_execute_recursion_limit=option->as_int();
355: if(pa_execute_recursion_limit==0) pa_execute_recursion_limit=INT_MAX;
1.395 moko 356: }, "LIMITS.%s must be int");
1.390 moko 357:
1.369 moko 358: pa_file_size_limit=FILE_SIZE_LIMIT;
1.395 moko 359: CONF_OPTION(limits, file_size_limit_name, {
360: double limit=option->as_double();
361: if(limit >= (double)SSIZE_MAX)
1.426 moko 362: throw Exception(PARSER_RUNTIME, 0, "$MAIN:LIMITS.%s must be less than %.15g", file_size_limit_name.cstr(), (double)SSIZE_MAX);
1.395 moko 363: pa_file_size_limit=(size_t)limit;
364: if(pa_file_size_limit==0)
365: pa_file_size_limit=SSIZE_MAX;
366: }, "LIMITS.%s must be number");
1.361 moko 367:
1.372 moko 368: pa_lock_attempts=PA_LOCK_ATTEMPTS;
1.395 moko 369: CONF_OPTION(limits, lock_wait_timeout_name, {
370: double limit=option->as_double();
371: if(limit >= 3600*24)
1.426 moko 372: throw Exception(PARSER_RUNTIME, 0, "$MAIN:LIMITS.%s must be less than %d", lock_wait_timeout_name.cstr(), 3600*24);
1.395 moko 373: pa_lock_attempts=(unsigned int)(limit*2)+1;
374: }, "LIMITS.%s must be number");
375:
376: Value* httpd=conf_class.get_element(httpd_name);
377:
378: pa_httpd_timeout=HTTPD_TIMEOUT;
379: CONF_OPTION(httpd, httpd_timeout_name, {
380: pa_httpd_timeout=option->as_int();
381: if(pa_httpd_timeout==0) pa_httpd_timeout=INT_MAX;
382: }, "HTTPD.%s must be int");
1.372 moko 383:
1.403 moko 384: if(httpd)
385: if(Value* option=httpd->get_element( httpd_mode_name)) {
386: if(option->get_junction())
1.415 moko 387: throw Exception(PARSER_RUNTIME, 0, "$MAIN:HTTPD:mode must be string");
1.403 moko 388: HTTPD_Server::set_mode(option->as_string());
389: }
1.402 moko 390:
1.227 paf 391: // configure method_frame options
1.208 paf 392: // until someone with less privileges have overriden them
1.248 paf 393: methoded_array().configure_admin(*this);
1.208 paf 394: }
1.150 parser 395:
1.349 moko 396: const char* Request::get_exception_cstr(const Exception& e, Request::Exception_details& details) {
397:
1.269 paf 398: #define PA_URI_FORMAT "%s: "
1.349 moko 399: #define PA_COMMENT_TYPE_FORMAT "%s [%s]"
400:
1.269 paf 401: #define PA_ORIGIN_FILE_POS_FORMAT "%s(%d:%d): "
402: #define PA_SOURCE_FORMAT "'%s' "
1.349 moko 403:
404: #define PA_ORIGIN_FILE_POS_VALUE file_list[details.origin.file_no].cstr(), 1+details.origin.line, 1+details.origin.col,
405: #define PA_SOURCE_VALUE details.problem_source->cstr(),
406:
407: #define EXCEPTION_CSTR(f1,v1,f2,v2) \
408: snprintf(result, MAX_STRING, \
409: PA_URI_FORMAT \
410: f1 f2 \
411: PA_COMMENT_TYPE_FORMAT, \
412: request_info.uri, \
413: v1 v2 \
414: e.comment(), e.type() \
415: );
416:
1.269 paf 417: char* result=new(PointerFreeGC) char[MAX_STRING];
418:
419: if(details.problem_source) { // do we know the guy?
1.349 moko 420: if(details.origin.file_no) // do whe know where he came from?
421: EXCEPTION_CSTR(PA_ORIGIN_FILE_POS_FORMAT, PA_ORIGIN_FILE_POS_VALUE, PA_SOURCE_FORMAT, PA_SOURCE_VALUE)
422: else
423: EXCEPTION_CSTR(PA_SOURCE_FORMAT, PA_SOURCE_VALUE,,)
424: } else {
425: if(details.origin.file_no) // do whe know where he came from?
426: EXCEPTION_CSTR(PA_ORIGIN_FILE_POS_FORMAT, PA_ORIGIN_FILE_POS_VALUE,,)
427: else
428: EXCEPTION_CSTR(,,,)
429: }
1.269 paf 430:
431: return result;
432: }
1.272 paf 433:
1.407 moko 434: Table &Request::Exception_trace::table(Request &r){
435: // $stack[^table::create{name file lineno colno}]
436: Table::columns_type stack_trace_columns(new ArrayString);
437: *stack_trace_columns+=new String("name");
438: *stack_trace_columns+=new String("file");
439: *stack_trace_columns+=new String("lineno");
440: *stack_trace_columns+=new String("colno");
441: Table& stack_trace=*new Table(stack_trace_columns);
442:
443: if(!is_empty()/*signed!*/)
444: for(size_t i=bottom_index(); i<top_index(); i++) {
445: Trace trace=get(i);
446: Table::element_type row(new ArrayString);
447:
448: *row+=trace.name(); // name column
449: Operation::Origin origin=trace.origin();
450: if(origin.file_no) {
451: *row+=new String(r.file_list[origin.file_no], String::L_TAINTED); // 'file' column
1.422 moko 452: *row+=new String(pa_uitoa(1+origin.line), String::L_CLEAN); // 'lineno' column
453: *row+=new String(pa_uitoa(1+origin.col), String::L_CLEAN); // 'colno' column
1.407 moko 454: }
455: stack_trace+=row;
456: }
457:
458: return stack_trace;
459: }
460:
1.272 paf 461: void Request::configure() {
462: // configure admin options if not configured yet
463: if(!configure_admin_done)
464: configure_admin(main_class);
465:
466: // $MAIN:MIME-TYPES
1.308 misha 467: if(Value* element=main_class.get_element(mime_types_name))
1.272 paf 468: if(Table *table=element->get_table())
1.395 moko 469: mime_types=table;
1.272 paf 470: }
1.408 moko 471:
1.64 paf 472: /**
473: load MAIN class, execute @main.
474: MAIN class consists of all the auto.p files we'd manage to find
475: plus
476: the file user requested us to process
477: all located classes become children of one another,
478: composing class we name 'MAIN'
1.180 paf 479:
480: @test log stack trace
481:
1.64 paf 482: */
1.412 moko 483: void Request::core(const char* config_filespec, bool header_only, const String &amain_method_name, const String* amain_class_name) {
1.169 parser 484: try {
1.211 paf 485: // loading config
1.384 moko 486: if(config_filespec)
1.387 moko 487: use_file_directly(*new String(config_filespec));
1.8 paf 488:
1.338 moko 489: // filling mail received
490: mail.fill_received(*this);
491:
1.272 paf 492: try {
493: // compile requested file
1.389 moko 494: if(request_info.path_translated)
495: use_file_directly(*new String(request_info.path_translated, String::L_TAINTED), true, true /* load auto.p files */);
1.272 paf 496: configure();
497: } catch(...) {
498: configure(); // configure anyway, useful in @unhandled_exception [say, if they would want to mail by SMTP something]
499: rethrow;
500: }
1.25 paf 501:
1.412 moko 502: VStateless_class& main = amain_class_name ? get_class_ref(*amain_class_name) : main_class;
1.25 paf 503: // execute @main[]
1.412 moko 504: const String* body_string=amain_method_name.is_empty() ? &String::Empty : execute_method(main, amain_method_name);
1.41 paf 505: if(!body_string)
1.412 moko 506: throw Exception(PARSER_RUNTIME, &amain_method_name, "method not found in class %s", main.type());
1.79 paf 507:
1.250 paf 508: // extract response body
1.344 moko 509: Value* body_value=response.fields().get(download_name_upper); // $response:download?
1.430 moko 510: bool as_attachment=body_value!=0;
1.250 paf 511: if(!body_value)
1.344 moko 512: body_value=response.fields().get(body_name_upper); // $response:body
1.250 paf 513: if(!body_value)
514: body_value=new VString(*body_string); // just result of ^main[]
515:
1.119 paf 516: // @postprocess
1.383 moko 517: if(const Method *method=main_class.get_method(post_process_method_name)) {
518: METHOD_FRAME_ACTION(*method, 0 /*no parent*/, main_class, {
519: frame.store_params(&body_value, 1);
520: call(frame);
521: body_value=&frame.result();
522: });
523: }
1.90 paf 524:
1.430 moko 525: // can throw exceptions while handling $response:download[]
526: output_result(body_value->as_vfile(flang, &charsets), header_only, as_attachment);
1.171 parser 527: } catch(const Exception& e) { // request handling problem
1.258 paf 528:
1.431 moko 529: // we're returning not result, but error explanation
530: Request::Exception_details details=get_details(e);
531: const char* exception_cstr=get_exception_cstr(e, details);
532:
533: // reset language to default
534: flang=fdefault_lang;
535: // reset response
536: response.fields().clear();
537: SAPI::clear_headers(sapi_info);
1.407 moko 538:
1.431 moko 539: // this is what we'd return in $response:body
540: const String* body_string=0;
1.407 moko 541:
1.431 moko 542: try {
1.407 moko 543: // maybe we'd be lucky enough as to report an error in a gracefull way...
544: if(const Method *method=main_class.get_method(*new String(UNHANDLED_EXCEPTION_METHOD_NAME))) {
545: // preparing parameters to @unhandled_exception[exception;stack]
546:
547: Table& stack_trace=exception_trace.table(*this);
548: 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)
549:
550: Value *params[]={&details.vhash, new VTable(&stack_trace)};
551: METHOD_FRAME_ACTION(*method, 0 /*no caller*/, main_class, {
552: frame.store_params(params, 2);
553: call(frame);
554: body_string=&frame.result().as_string();
555: });
556: }
1.383 moko 557:
1.407 moko 558: // conditionally log it
559: Value* vhandled=details.vhash.hash().get(exception_handled_part_name);
560: if(!vhandled || !vhandled->as_bool()) {
561: SAPI::log(sapi_info, "%s", exception_cstr);
562: }
1.431 moko 563: } catch(const Exception& e) { // exception in @unhandled_exception
564: Request::Exception_details details=get_details(e);
565: // logging both initial and new exceptions
566: SAPI::log(sapi_info, "%s", exception_cstr);
567: SAPI::log(sapi_info, "Exception in @unhandled_exception at %s", get_exception_cstr(e, details));
568: SAPI::send_error(sapi_info, "Exception in @unhandled_exception, details are available in Parser error log.");
569: return;
570: }
1.383 moko 571:
1.431 moko 572: if(body_string) { // could report an error beautifully?
573: VString body_vstring(*body_string);
574: output_result(body_vstring.as_vfile(flang, &charsets), header_only, false);
575: } else {
576: // doing that ugly
577: SAPI::send_error(sapi_info, exception_cstr, strcmp(e.type(), "file.missing") ? "500" : "404");
1.268 paf 578: }
1.1 paf 579: }
580: }
581:
1.266 paf 582: uint Request::register_file(String::Body file_spec) {
1.248 paf 583: file_list+=file_spec;
584: return file_list.count()-1;
585: }
586:
1.387 moko 587: void Request::use_file_directly(const String& file_spec, bool fail_on_file_absence, bool with_auto_p) {
1.73 paf 588: // cyclic dependence check
1.318 misha 589: if(used_files.get(file_spec))
1.248 paf 590: return;
1.318 misha 591: used_files.put(file_spec, true);
592:
1.385 moko 593: if(!fail_on_file_absence && !entry_exists(file_spec)) // ignore file absence if asked for
594: return;
1.318 misha 595:
1.386 moko 596: if(with_auto_p) {
597: // loading auto.p files from document_root/..
598: // to the one beside requested file.
599: // all assigned bases from upper dir
600: const char* target=file_spec.cstr();
601:
602: // all relative paths are calculated from main document
603: request_info.path_translated=target;
604:
605: const char* after=target;
606: size_t drlen=strlen(request_info.document_root);
607: if(memcmp(after, request_info.document_root, drlen)==0) {
608: after+=drlen;
609: if(after[-1]=='/')
610: --after;
611: }
612:
613: while(const char* before=strchr(after, '/')) {
614: String& sfile_spec=*new String;
615: if(after!=target) {
616: sfile_spec.append_strdup(target, before-target, String::L_CLEAN);
617: sfile_spec << "/" AUTO_FILE_NAME;
618:
1.387 moko 619: use_file_directly(sfile_spec, false /*ignore absence, sole user*/);
1.386 moko 620: }
621: for(after=before+1;*after=='/';after++);
622: }
623: }
624:
1.385 moko 625: if(const char* source=file_read_text(charsets, file_spec, true))
1.387 moko 626: use_buf(main_class, source, 0, register_file(file_spec));
1.318 misha 627: }
628:
629:
1.387 moko 630: void Request::use_file(const String& file_name, const String* use_filespec/*absolute*/, bool with_auto_p) {
1.326 misha 631: if(file_name.is_empty())
1.366 moko 632: throw Exception(PARSER_RUNTIME, 0, "usage failed - no filename was specified");
1.326 misha 633:
1.318 misha 634: const String* filespec=0;
635:
636: if(file_name.first_char()=='/') //absolute path? [no need to scan MAIN:CLASS_PATH]
1.388 moko 637: filespec=&full_disk_path(file_name);
1.318 misha 638: else if(use_filespec){ // search in current dir first
1.331 misha 639: size_t last_slash_pos=use_filespec->strrpbrk("/");
640: if(last_slash_pos!=STRING_NOT_FOUND)
641: filespec=file_exist(use_filespec->mid(0, last_slash_pos), file_name); // found in current dir?
1.318 misha 642: }
643:
644: if(!filespec){
645: // prevent multiple scan CLASS_PATH for searching one file
646: if(searched_along_class_path.get(file_name))
647: return;
648: searched_along_class_path.put(file_name, true);
1.308 misha 649: if(Value* element=main_class.get_element(class_path_name)) {
1.233 paf 650: if(element->is_string()) {
1.388 moko 651: filespec=file_exist(full_disk_path(element->as_string()), file_name); // found at class_path?
1.233 paf 652: } else if(Table *table=element->get_table()) {
1.318 misha 653: for(size_t i=table->count(); i--; ) {
1.248 paf 654: const String& path=*(*table->get(i))[0];
1.388 moko 655: if(filespec=file_exist(full_disk_path(path), file_name))
1.233 paf 656: break; // found along class_path
657: }
658: } else
1.366 moko 659: throw Exception(PARSER_RUNTIME, 0, "$" CLASS_PATH_NAME " must be string or table");
1.318 misha 660: if(!filespec)
1.415 moko 661: throw Exception(PARSER_RUNTIME, &file_name, "not found along $MAIN:" CLASS_PATH_NAME);
1.318 misha 662: } else
1.415 moko 663: throw Exception(PARSER_RUNTIME, &file_name, "usage failed - no $MAIN:" CLASS_PATH_NAME " were specified");
1.148 parser 664: }
1.230 paf 665:
1.387 moko 666: use_file_directly(*filespec, true, with_auto_p);
1.16 paf 667: }
668:
1.364 moko 669: void Request::use_file(const String& file_name, const String* use_filespec/*absolute*/, Operation::Origin origin) {
1.349 moko 670: static String use("USE");
671: try {
1.364 moko 672: static VHash* voptions=new VHash();
1.376 moko 673: if(const Method *method=main_class.get_method(use_method_name)){
1.364 moko 674: Value *params[]={new VString(file_name), voptions};
675: voptions->hash().put(origin_key, new VString(*use_filespec));
676:
677: CONSTRUCTOR_FRAME_ACTION(*method, 0 /*no parent*/, main_class, {
678: frame.store_params(params, 2);
679: // we don't need the result
680: call(frame);
681: });
682: }
1.349 moko 683: } catch (...) {
684: exception_trace.push(Trace(&use, origin));
685: rethrow;
686: }
687: }
1.208 paf 688:
1.358 moko 689: void Request::use_buf(VStateless_class& aclass, const char* source, const String* main_alias, uint file_no, int line_no_offset) {
690: // temporary zero @conf to avoid it second execution
1.248 paf 691: Temp_method temp_method_conf(aclass, conf_method_name, 0);
1.358 moko 692: // temporary zero @auto to avoid it second execution
1.248 paf 693: Temp_method temp_method_auto(aclass, auto_method_name, 0);
1.233 paf 694:
1.295 misha 695: // compile loaded classes
696: ArrayClass& cclasses=compile(&aclass, source, main_alias, file_no, line_no_offset);
1.212 paf 697:
1.248 paf 698: VString* vfilespec=
1.435 moko 699: new VString(file_list[file_no]);
1.295 misha 700:
701: for(size_t i=0; i<cclasses.count(); i++){
702: VStateless_class& cclass=*cclasses.get(i);
1.296 misha 703:
704: // locate and execute possible @conf[] static
1.382 moko 705: if(execute_method_if_exists(cclass, conf_method_name, vfilespec))
1.295 misha 706: configure_admin(cclass/*, executed.method->name*/);
707:
708: // locate and execute possible @auto[] static
1.419 moko 709: execute_auto_method_if_exists(cclass, auto_method_name, vfilespec);
1.336 moko 710:
711: cclass.enable_default_setter();
1.295 misha 712: }
1.19 paf 713: }
714:
1.248 paf 715: const String& Request::relative(const char* apath, const String& relative_name) {
1.341 moko 716: char *hpath=pa_strdup(apath);
1.248 paf 717: String& result=*new String;
718: if(rsplit(hpath, '/')) // if something/splitted
1.217 paf 719: result << hpath << "/";
1.248 paf 720: result << relative_name;
721: return result;
1.19 paf 722: }
723:
1.388 moko 724: const String& Request::full_disk_path(const String& relative_name) {
1.441 ! moko 725: if(is_os_absolute_path(relative_name))
! 726: return relative_name;
1.217 paf 727: if(relative_name.first_char()=='/') {
1.341 moko 728: String& result=*new String(pa_strdup(request_info.document_root));
1.104 paf 729: result << relative_name;
1.19 paf 730: return result;
1.389 moko 731: }
1.441 ! moko 732: if(relative_name.starts_with("http://") || relative_name.starts_with("parser://"))
1.389 moko 733: return relative_name;
734:
735: return relative(request_info.path_translated ? request_info.path_translated : request_info.document_root, relative_name);
1.1 paf 736: }
1.45 paf 737:
1.267 paf 738: #ifndef DOXYGEN
739: class Add_header_attribute_info
740: {
741: public:
742: Add_header_attribute_info(Request& ar) : r(ar), add_last_modified(true) {}
743: Request& r;
744: bool add_last_modified;
745: };
746: #endif
1.344 moko 747: static void add_header_attribute(HashStringValue::key_type name, HashStringValue::value_type value, Add_header_attribute_info* info) {
748: if(name==BODY_NAME_UPPER || name==DOWNLOAD_NAME_UPPER || name==CHARSET_NAME_UPPER)
1.101 paf 749: return;
1.290 misha 750:
1.345 moko 751: if(name==LAST_MODIFIED_NAME_UPPER)
752: info->add_last_modified=false;
753:
1.316 misha 754: const char* aname=String(name, String::L_URI).untaint_and_transcode_cstr(String::L_URI, &info->r.charsets);
1.101 paf 755:
1.267 paf 756: SAPI::add_header_attribute(info->r.sapi_info,
1.345 moko 757: aname,
1.316 misha 758: attributed_meaning_to_string(*value, String::L_URI, false).untaint_and_transcode_cstr(String::L_URI, &info->r.charsets)
1.303 misha 759: );
1.267 paf 760: }
761:
1.366 moko 762: static void output_sole_piece(Request& r, bool header_only, VFile& body_file, Value* body_file_content_type) {
1.267 paf 763: // transcode text body when "text/*" or simple result
764: String::C output(body_file.value_ptr(), body_file.value_size());
765: if(!body_file_content_type/*vstring.as_vfile*/ || body_file_content_type->as_string().pos("text/")==0)
1.366 moko 766: output=Charset::transcode(output, r.charsets.source(), r.charsets.client());
1.267 paf 767:
1.311 misha 768: // prepare header: Content-Length
1.428 moko 769: SAPI::add_header_attribute(r.sapi_info, HTTP_CONTENT_LENGTH, pa_uitoa(output.length));
1.267 paf 770:
771: // send header
1.430 moko 772: SAPI::send_headers(r.sapi_info);
1.267 paf 773:
774: // send body
775: if(!header_only)
776: SAPI::send_body(r.sapi_info, output.str, output.length);
777: }
778:
779: #ifndef DOXYGEN
780: struct Range
781: {
1.396 moko 782: uint64_t start;
783: uint64_t end;
1.267 paf 784: };
785: #endif
1.396 moko 786:
787: #define UNSET ((uint64_t)-1)
788:
1.313 misha 789: static void parse_range(const String* s, Array<Range> &ar) {
1.267 paf 790: const char *p = s->cstr();
791: if(s->starts_with("bytes="))
792: p += 6;
793: Range r;
794: while(*p){
1.396 moko 795: r.start = UNSET;
796: r.end = UNSET;
1.401 moko 797:
798: while(*p==' ' || *p=='\t') p++;
799:
1.267 paf 800: if(*p >= '0' && *p <= '9'){
1.416 moko 801: const char *n=p;
1.401 moko 802: while(*p>='0' && *p<='9') p++;
1.440 moko 803: r.start = pa_atoul(pa_strdup(n, p-n)); // ((uint64_t)-1) is treated as UNSET
1.267 paf 804: }
1.401 moko 805:
806: while(*p==' ' || *p=='\t') p++;
807:
1.267 paf 808: if(*p++ != '-') break;
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.end = 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:
820: if(*p)
821: if(*p++ != ',') break;
822:
1.267 paf 823: ar += r;
824: }
1.101 paf 825: }
1.267 paf 826:
1.400 moko 827: struct Send_range_action_info {
828: Request *r;
829: uint64_t offset;
830: uint64_t part_length;
831: };
832:
833: static void send_range(struct stat& /*finfo*/, int f, const String& /*file_spec*/, void *context){
834: Send_range_action_info &info = *(Send_range_action_info*)context;
835:
1.430 moko 836: SAPI::send_headers(info.r->sapi_info);
1.400 moko 837: pa_lseek(f, info.offset, SEEK_SET);
838:
1.432 moko 839: char buf[FILE_BUFFER_SIZE];
1.400 moko 840: do{
1.432 moko 841: size_t to_read = info.part_length < FILE_BUFFER_SIZE ? (size_t)info.part_length : FILE_BUFFER_SIZE;
1.400 moko 842: size_t to_write = file_block_read(f, buf, to_read);
843:
844: if(to_write == 0)
845: break;
846:
847: size_t size = SAPI::send_body(info.r->sapi_info, buf, to_write);
848: if(size != to_write)
849: break;
850:
851: info.part_length -= to_write;
852: } while (info.part_length);
853: }
854:
1.396 moko 855: 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 856: SAPI::add_header_attribute(r.sapi_info, "accept-ranges", "bytes");
1.270 paf 857:
1.339 moko 858: const char *range = SAPI::Env::get(r.sapi_info, "HTTP_RANGE");
1.396 moko 859: uint64_t offset=0;
860: uint64_t part_length=content_length;
1.401 moko 861:
862: if(range && content_length){
1.267 paf 863: Array<Range> ar;
864: parse_range(new String(range), ar);
1.396 moko 865: int count = ar.count();
1.267 paf 866: if(count == 1){
867: Range &rg = ar.get_ref(0);
1.401 moko 868:
869: if(rg.start == UNSET && rg.end == UNSET)
870: return SAPI::send_error(r.sapi_info, "", "416");
871:
1.396 moko 872: if(rg.start == UNSET && rg.end != UNSET){
1.440 moko 873: if(rg.end == 0)
874: return SAPI::send_error(r.sapi_info, "", "416");
1.401 moko 875: if(rg.end > content_length)
876: rg.end = content_length;
1.404 moko 877: rg.start = content_length - rg.end;
878: rg.end = content_length-1;
1.401 moko 879: } else if(rg.start != UNSET && rg.end == UNSET){
880: if(rg.start >= content_length)
881: return SAPI::send_error(r.sapi_info, "", "416");
1.267 paf 882: rg.end = content_length-1;
1.401 moko 883: } else {
884: if(rg.start >= content_length || rg.start > rg.end)
885: return SAPI::send_error(r.sapi_info, "", "416");
886: if(rg.end >= content_length)
887: rg.end = content_length-1;
1.267 paf 888: }
1.401 moko 889:
890: offset = rg.start;
891: part_length = rg.end-rg.start+1;
892:
1.400 moko 893: char buf[MAX_STRING];
894: snprintf(buf, MAX_STRING, "bytes %.15g-%.15g/%.15g", (double)rg.start, (double)rg.end, (double)content_length);
1.401 moko 895: SAPI::add_header_attribute(r.sapi_info, HTTP_STATUS, "206");
1.315 misha 896: SAPI::add_header_attribute(r.sapi_info, "content-range", buf);
1.401 moko 897: } else {
1.410 moko 898: return SAPI::send_error(r.sapi_info, count ? "Multiple ranges are not supported" : "Invalid range", count ? "501" : "400");
1.267 paf 899: }
900: }
901:
1.428 moko 902: SAPI::add_header_attribute(r.sapi_info, HTTP_CONTENT_LENGTH, pa_uitoa(part_length));
1.267 paf 903:
1.314 misha 904: if(add_last_modified)
1.315 misha 905: SAPI::add_header_attribute(r.sapi_info, "last-modified", attributed_meaning_to_string(date, String::L_AS_IS, true).cstr());
1.314 misha 906:
1.414 moko 907: if(header_only){
1.430 moko 908: SAPI::send_headers(r.sapi_info);
1.414 moko 909: } else {
1.400 moko 910: Send_range_action_info info = { &r, offset, part_length};
911: file_read_action_under_lock(r.full_disk_path(filename), "send", send_range, &info);
1.267 paf 912: }
913: }
914:
1.248 paf 915: void Request::output_result(VFile* body_file, bool header_only, bool as_attachment) {
1.51 paf 916: // header: cookies
1.248 paf 917: cookie.output_result(sapi_info);
1.51 paf 918:
1.394 moko 919: // $.file and $.name (when body is real vfile)
920: Value* vfile = body_file->fields().get(response_body_file_name);
921: Value* vname = body_file->fields().get(name_name);
922:
923: const String* sfile = vfile ? &vfile->as_string() : NULL;
924: const String* sname = vname ? &vname->as_string() : NULL;
925:
926: if(sname && *sname == NONAME_DAT)
927: sname = NULL;
1.92 paf 928:
1.409 moko 929: // Content-Disposition, use $.name[<empty>] to avoid
1.394 moko 930: const String* disposition_name = sname ? sname->is_empty() ? NULL : sname : sfile;
931: if(disposition_name) {
1.420 moko 932: String& filename = *new String(pa_filename(disposition_name->cstr()), String::L_URI);
933: String& filename_asterisk = *new String(charsets.client().NAME(), String::L_CLEAN) << (*new String("''")) << filename;
934:
1.394 moko 935: VHash& hash=*new VHash();
936: hash.hash().put(value_name, new VString(as_attachment ? content_disposition_attachment : content_disposition_inline));
1.420 moko 937: hash.hash().put(content_disposition_filename_name, new VString(filename));
938: hash.hash().put(content_disposition_filename_name_asterisk, new VString(filename_asterisk));
1.394 moko 939: response.fields().put(content_disposition_name_upper, &hash);
940: }
1.267 paf 941:
1.394 moko 942: // _file_ content-type might be specified
943: Value* body_file_content_type = body_file->fields().get(content_type_name);
944: if(!body_file_content_type){
945: const String* scontent_name = sname && !sname->is_empty() ? sname : sfile;
946: if(scontent_name)
947: body_file_content_type = new VString(mime_type_of(scontent_name->cstr()));
1.267 paf 948: }
949:
1.312 misha 950: // set Content-Type
1.314 misha 951: if(body_file_content_type) {
952: // body file content type
1.344 moko 953: response.fields().put(content_type_name_upper, body_file_content_type);
1.314 misha 954: } else {
955: // default content type
1.344 moko 956: response.fields().put_dont_replace(content_type_name_upper, new VString(*new String(DEFAULT_CONTENT_TYPE)));
1.314 misha 957: }
1.312 misha 958:
1.314 misha 959: // prepare header: $response:fields without :body, :download and :charset
1.267 paf 960: Add_header_attribute_info info(*this);
1.281 paf 961: response.fields().for_each<Add_header_attribute_info*>(add_header_attribute, &info);
1.50 paf 962:
1.394 moko 963: if(sfile) {
1.314 misha 964: // $response:[download|body][$.file[filespec]] -- optput specified file
1.367 moko 965: uint64_t content_length=0;
1.267 paf 966: time_t atime=0, mtime=0, ctime=0;
1.394 moko 967: file_stat(full_disk_path(*sfile), content_length, atime, mtime, ctime);
1.267 paf 968:
969: VDate* vdate=0;
970: if(Value* v=body_file->fields().get("mdate")) {
1.423 moko 971: vdate=dynamic_cast<VDate*>(v);
972: if(!vdate)
1.286 misha 973: throw Exception(PARSER_RUNTIME, 0, "mdate must be a date");
1.267 paf 974: }
975: if(!vdate)
1.346 moko 976: vdate=new VDate((pa_time_t)mtime);
1.62 paf 977:
1.399 moko 978: output_pieces(*this, header_only, *sfile, content_length, *vdate, info.add_last_modified);
1.267 paf 979: } else {
1.314 misha 980: if(body_file_content_type)
981: if(HashStringValue *hash=body_file_content_type->get_hash())
982: body_file_content_type=hash->get(value_name);
983:
1.366 moko 984: output_sole_piece(*this, header_only, *body_file, body_file_content_type);
1.267 paf 985: }
1.50 paf 986: }
1.104 paf 987:
1.328 misha 988: const String& Request::mime_type_of(const String* file_name) {
989: return mime_type_of(file_name?file_name->taint_cstr(String::L_FILE_SPEC):0);
990: }
991:
1.248 paf 992: const String& Request::mime_type_of(const char* user_file_name_cstr) {
1.104 paf 993: if(mime_types)
1.248 paf 994: if(const char* cext=strrchr(user_file_name_cstr, '.')) {
995: String sext(++cext);
1.246 paf 996: Table::Action_options options;
1.342 moko 997: if(mime_types->locate(0, sext.change_case(charsets.source(), String::CC_LOWER), options)) {
1.313 misha 998: if(const String* result=mime_types->item(1))
999: return *result;
1.104 paf 1000: else
1.395 moko 1001: throw Exception(PARSER_RUNTIME, 0, MIME_TYPES_NAME " table column elements must not be empty");
1.342 moko 1002: }
1.104 paf 1003: }
1.248 paf 1004:
1005: return *new String("application/octet-stream");
1006: }
1007:
1.365 moko 1008: const String* Request::get_used_filespec(uint file_no){
1.318 misha 1009: if(file_no < file_list.count())
1010: return new String(file_list[file_no], String::L_TAINTED);
1011: return 0;
1012: }
1013:
1.248 paf 1014: #ifdef XML
1.280 paf 1015: xmlChar* Request::transcode(const String& s) {
1.248 paf 1016: return charsets.source().transcode(s);
1017: }
1018:
1.280 paf 1019: xmlChar* Request::transcode(const String::Body s) {
1.248 paf 1020: return charsets.source().transcode(s);
1021: }
1022:
1.280 paf 1023: const String& Request::transcode(const xmlChar* s) {
1.248 paf 1024: return charsets.source().transcode(s);
1.233 paf 1025: }
1.248 paf 1026: #endif
1027:
1.349 moko 1028: Request::Exception_details Request::get_details(const Exception& e) {
1029: const String* problem_source=e.problem_source();
1030: VHash& vhash=*new VHash; HashStringValue& hash=vhash.hash();
1031: Operation::Origin origin={0, 0, 0};
1.248 paf 1032:
1.349 moko 1033: if(!exception_trace.is_empty()) {
1034: Trace bottom=exception_trace.bottom_value();
1.350 moko 1035: origin=bottom.origin();
1036: if(!problem_source) { // we don't know who trigged the bug
1037: problem_source=bottom.name(); // we usually know source of next-from-throw-point exception did that
1038: exception_trace.set_bottom_index(exception_trace.bottom_index()+1);
1039: } else if (bottom.name()==problem_source) { // it is that same guy?
1.349 moko 1040: exception_trace.set_bottom_index(exception_trace.bottom_index()+1); // throw away that trace
1041: } else {
1042: // stack top contains not us, leaving intact to help ^throw
1.279 paf 1043: }
1.248 paf 1044: }
1045:
1046: // $.type
1047: if(const char* type=e.type(true))
1048: hash.put(exception_type_part_name, new VString(*new String(type)));
1049:
1050: // $.source
1.349 moko 1051: if(problem_source)
1.435 moko 1052: hash.put(exception_source_part_name, new VString(*problem_source));
1.248 paf 1053:
1.349 moko 1054: // $.file $.lineno $.colno
1055: if(origin.file_no){
1.435 moko 1056: HASH_PUT_CSTR(hash, "file", new VString(file_list[origin.file_no]));
1.434 moko 1057: HASH_PUT_CSTR(hash, "lineno", new VInt(1+origin.line));
1058: HASH_PUT_CSTR(hash, "colno", new VInt(1+origin.col));
1.248 paf 1059: }
1060:
1061: // $.comment
1062: if(const char* comment=e.comment(true))
1.435 moko 1063: hash.put(exception_comment_part_name, new VString(comment));
1.248 paf 1064:
1065: // $.handled(0)
1.299 misha 1066: hash.put(exception_handled_part_name, &VBool::get(false));
1.233 paf 1067:
1.349 moko 1068: return Request::Exception_details(origin, problem_source, vhash);
1.133 parser 1069: }
1.337 moko 1070:
1071: Temp_value_element::Temp_value_element(Request& arequest, Value& awhere, const String& aname, Value* awhat) :
1072: frequest(arequest),
1073: fwhere(awhere),
1074: fname(aname),
1075: saved(awhere.get_element(aname))
1076: {
1077: Junction* junction;
1078: if(saved && (junction=saved->get_junction()) && junction->is_getter)
1079: saved=0;
1080: frequest.put_element(fwhere, aname, awhat);
1081: }
1082:
1083: Temp_value_element::~Temp_value_element() {
1084: frequest.put_element(fwhere, fname, saved ? saved : VVoid::get());
1085: }
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