Annotation of parser3/src/main/pa_request.C, revision 1.426
1.54 paf 1: /** @file
1.55 paf 2: Parser: request class main part. @see compile.C and execute.C.
3:
1.418 moko 4: Copyright (c) 2001-2023 Art. Lebedev Studio (http://www.artlebedev.com)
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:
1.426 ! moko 38: volatile const char * IDENT_PA_REQUEST_C="$Id: pa_request.C,v 1.425 2024/09/22 13:56:09 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:
1.425 moko 47: const uint LOOP_LIMIT=100000;
48: const uint ARRAY_LIMIT=1000000;
1.361 moko 49: const uint EXECUTE_RECOURSION_LIMIT=1000;
1.390 moko 50: const uint HTTPD_TIMEOUT=4;
1.369 moko 51: const size_t FILE_SIZE_LIMIT=512*1024*1024;
1.361 moko 52:
1.248 paf 53: // defines for globals
54:
55: #define MAIN_METHOD_NAME "main"
56: #define AUTO_METHOD_NAME "auto"
1.364 moko 57: #define USE_METHOD_NAME "use"
1.309 misha 58: #define AUTOUSE_METHOD_NAME "autouse"
1.364 moko 59:
1.248 paf 60: #define EXCEPTION_TYPE_PART_NAME "type"
61: #define EXCEPTION_SOURCE_PART_NAME "source"
62: #define EXCEPTION_COMMENT_PART_NAME "comment"
63:
1.364 moko 64: #define ORIGIN_KEY "origin"
65:
1.248 paf 66: // globals
67:
68: const String main_method_name(MAIN_METHOD_NAME);
69: const String auto_method_name(AUTO_METHOD_NAME);
1.364 moko 70: static const String use_method_name(USE_METHOD_NAME);
71: static const String autouse_method_name(AUTOUSE_METHOD_NAME);
1.311 misha 72:
1.248 paf 73: const String exception_type_part_name(EXCEPTION_TYPE_PART_NAME);
74: const String exception_source_part_name(EXCEPTION_SOURCE_PART_NAME);
75: const String exception_comment_part_name(EXCEPTION_COMMENT_PART_NAME);
76: const String exception_handled_part_name(EXCEPTION_HANDLED_PART_NAME);
77:
1.364 moko 78: static const String origin_key(ORIGIN_KEY);
79:
1.369 moko 80: int pa_loop_limit=LOOP_LIMIT;
1.425 moko 81: int pa_array_limit=ARRAY_LIMIT;
1.361 moko 82: int pa_execute_recoursion_limit=EXECUTE_RECOURSION_LIMIT;
1.390 moko 83: int pa_httpd_timeout=HTTPD_TIMEOUT;
1.369 moko 84: size_t pa_file_size_limit=FILE_SIZE_LIMIT;
1.361 moko 85:
1.248 paf 86: // defines for statics
87:
88: #define MIME_TYPES_NAME "MIME-TYPES"
89: #define CLASS_PATH_NAME "CLASS_PATH"
90:
1.344 moko 91: #define DOWNLOAD_NAME_UPPER "DOWNLOAD"
92: #define BODY_NAME_UPPER "BODY"
93:
1.248 paf 94: // statics
95:
96: static const String main_class_name(MAIN_CLASS_NAME);
97: static const String mime_types_name(MIME_TYPES_NAME);
1.395 moko 98: static const String class_path_name(CLASS_PATH_NAME);
1.361 moko 99:
1.395 moko 100: static const String charsets_name("CHARSETS");
101: static const String strict_vars_name("STRICT-VARS");
102: static const String prototype_name("OBJECT-PROTOTYPE");
1.415 moko 103: static const String getter_protected_name("CLASS-GETTER-PROTECTED");
104: static const String locals_name("LOCALS");
1.395 moko 105: static const String limits_name("LIMITS");
106: static const String loop_limit_name("max_loop");
1.425 moko 107: static const String array_limit_name("max_array_size");
1.395 moko 108: static const String recoursion_limit_name("max_recoursion");
109: static const String file_size_limit_name("max_file_size");
110: static const String lock_wait_timeout_name("lock_wait_timeout");
111: static const String httpd_name("HTTPD");
112: static const String httpd_timeout_name("timeout");
1.402 moko 113: static const String httpd_mode_name("mode");
1.395 moko 114:
115: static const String conf_method_name("conf");
116: static const String post_process_method_name("postprocess");
117: static const String response_body_file_name("file");
1.248 paf 118:
1.344 moko 119: static const String download_name_upper(DOWNLOAD_NAME_UPPER);
120: static const String body_name_upper(BODY_NAME_UPPER);
121:
122: // more static
123:
124: static const String content_type_name_upper(HTTP_CONTENT_TYPE_UPPER);
125: static const String content_disposition_name_upper(CONTENT_DISPOSITION_UPPER);
1.392 moko 126: static const String content_disposition_inline(CONTENT_DISPOSITION_INLINE);
1.344 moko 127: static const String content_disposition_attachment(CONTENT_DISPOSITION_ATTACHMENT);
128:
1.420 moko 129: const String content_disposition_filename_name(CONTENT_DISPOSITION_FILENAME_NAME);
130: const String content_disposition_filename_name_asterisk("filename*");
131:
1.248 paf 132: // defines
1.82 paf 133:
1.344 moko 134: #define CHARSET_NAME_UPPER "CHARSET"
135: #define LAST_MODIFIED_NAME_UPPER "LAST-MODIFIED"
136:
1.233 paf 137: // op.C
1.248 paf 138: VStateless_class& VClassMAIN_create();
1.123 paf 139:
1.157 parser 140: //
1.408 moko 141: Request::Request(SAPI_Info& asapi_info, Request_info& arequest_info, String::Language adefault_lang):
1.248 paf 142: // private
143: anti_endless_execute_recoursion(0),
144:
145: // public
1.335 moko 146: allow_class_replace(false),
1.248 paf 147: method_frame(0),
148: rcontext(0),
149: wcontext(0),
150: flang(adefault_lang),
1.191 paf 151: fconnection(0),
1.371 moko 152: fin_cycle(0),
1.307 misha 153: fskip(SKIP_NOTHING),
1.248 paf 154:
155: // public
1.257 paf 156: request_info(arequest_info),
1.248 paf 157: sapi_info(asapi_info),
1.359 moko 158: charsets(pa_UTF8_charset, pa_UTF8_charset, pa_UTF8_charset), // default charsets
1.248 paf 159:
160: main_class(VClassMAIN_create()),
1.260 paf 161: form(*new VForm(charsets, arequest_info)),
1.248 paf 162: mail(*new VMail),
163: response(*new VResponse(arequest_info, charsets)),
1.298 misha 164: cookie(*new VCookie(charsets, arequest_info)),
1.285 misha 165: console(*new VConsole),
1.248 paf 166:
167: // private
168: configure_admin_done(false),
169:
170: // private defaults
171: fdefault_lang(adefault_lang),
172: // private mime types
173: mime_types(0)
1.157 parser 174: {
1.261 paf 175: pa_register_thread_request(*this);
176:
1.248 paf 177: // file_no=0 => unknown
1.347 moko 178: file_list+="UNKNOWN";
179: file_list+="-body of process-"; // pseudo_file_no__process
1.186 paf 180:
1.178 paf 181: // maybe expire old caches
1.264 paf 182: cache_managers->maybe_expire();
1.178 paf 183:
1.157 parser 184: /// directly used
1.233 paf 185: // MAIN class, operators
1.353 moko 186: put_class(&main_class);
1.157 parser 187: // classes:
188: // table, file, random, mail, image, ...
1.248 paf 189: methoded_array().register_directly_used(*this);
1.157 parser 190:
191: /// methodless
1.354 moko 192:
1.157 parser 193: // env class
1.353 moko 194: put_class(new VEnv(asapi_info));
1.175 paf 195: // status class
1.353 moko 196: put_class(new VStatus());
1.157 parser 197: // request class
1.353 moko 198: put_class(new VRequest(arequest_info, charsets, form, asapi_info));
1.157 parser 199: // cookie class
1.353 moko 200: put_class(&cookie);
1.253 paf 201: // console class
1.353 moko 202: put_class(&console);
1.354 moko 203:
1.157 parser 204: /// methoded
1.354 moko 205:
1.157 parser 206: // response class
1.353 moko 207: put_class(&response);
1.157 parser 208: // form class
1.353 moko 209: put_class(&form);
1.213 paf 210: // mail class
1.353 moko 211: put_class(&mail);
1.157 parser 212: // math class
1.353 moko 213: put_class(new VMath);
1.248 paf 214: // memory class
1.353 moko 215: put_class(new VMemory);
1.117 paf 216: }
1.192 paf 217:
218: Request::~Request() {
219: #ifdef XML
220: // if for some strange reason xml generic errors failed to be reported, free them up
1.248 paf 221: if(const char* xml_generic_errors=xmlGenericErrors()) {
222: SAPI::log(sapi_info, "warning: unreported xmlGenericErrors: %s", xml_generic_errors);
1.341 moko 223: pa_free((void *)xml_generic_errors);
1.192 paf 224: }
225: #endif
226: }
1.236 paf 227:
1.248 paf 228: Value& Request::get_self() { return method_frame/*always have!*/->self(); }
1.192 paf 229:
1.355 moko 230: VStateless_class* Request::get_class(const String& name){
231: VStateless_class* result=classes().get(name);
1.313 misha 232: if(!result)
1.375 moko 233: if(const Method *method=main_class.get_element_method(autouse_method_name)){
1.364 moko 234: Value *vname=new VString(name);
235: CONSTRUCTOR_FRAME_ACTION(*method, 0 /*no parent*/, main_class, {
236: frame.store_params(&vname, 1);
237: // we don't need the result
238: call(frame);
239: });
240: result=classes().get(name);
241: }
1.309 misha 242: return result;
243: }
244:
1.411 moko 245: VStateless_class& Request::get_class_ref(const String& name){
246: VStateless_class* result=get_class(name);
247: if(!result)
248: throw Exception(PARSER_RUNTIME, &name, "class is undefined");
249: return *result;
250: }
251:
1.424 moko 252: bool Request::add_class(const char* atype, VStateless_class *aclass){
253: if(!allow_class_replace){
254: if(!classes().put_dont_replace(atype, aclass))
255: return true;
256: if(strcmp(atype, VARRAY_TYPE))
257: return false;
258: }
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:
1.361 moko 352: pa_execute_recoursion_limit=EXECUTE_RECOURSION_LIMIT;
1.395 moko 353: CONF_OPTION(limits, recoursion_limit_name, {
354: pa_execute_recoursion_limit=option->as_int();
355: if(pa_execute_recoursion_limit==0) pa_execute_recoursion_limit=INT_MAX;
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: // configure not-admin=user options
467: methoded_array().configure_user(*this);
468:
469: // $MAIN:MIME-TYPES
1.308 misha 470: if(Value* element=main_class.get_element(mime_types_name))
1.272 paf 471: if(Table *table=element->get_table())
1.395 moko 472: mime_types=table;
1.272 paf 473: }
1.408 moko 474:
1.64 paf 475: /**
476: load MAIN class, execute @main.
477: MAIN class consists of all the auto.p files we'd manage to find
478: plus
479: the file user requested us to process
480: all located classes become children of one another,
481: composing class we name 'MAIN'
1.180 paf 482:
483: @test log stack trace
484:
1.64 paf 485: */
1.412 moko 486: void Request::core(const char* config_filespec, bool header_only, const String &amain_method_name, const String* amain_class_name) {
1.406 moko 487: VFile* body_file=NULL;
488: bool as_attachment=false;
489:
1.169 parser 490: try {
1.211 paf 491: // loading config
1.384 moko 492: if(config_filespec)
1.387 moko 493: use_file_directly(*new String(config_filespec));
1.8 paf 494:
1.338 moko 495: // filling mail received
496: mail.fill_received(*this);
497:
1.272 paf 498: try {
499: // compile requested file
1.389 moko 500: if(request_info.path_translated)
501: use_file_directly(*new String(request_info.path_translated, String::L_TAINTED), true, true /* load auto.p files */);
1.272 paf 502: configure();
503: } catch(...) {
504: configure(); // configure anyway, useful in @unhandled_exception [say, if they would want to mail by SMTP something]
505: rethrow;
506: }
1.25 paf 507:
1.412 moko 508: VStateless_class& main = amain_class_name ? get_class_ref(*amain_class_name) : main_class;
1.25 paf 509: // execute @main[]
1.412 moko 510: const String* body_string=amain_method_name.is_empty() ? &String::Empty : execute_method(main, amain_method_name);
1.41 paf 511: if(!body_string)
1.412 moko 512: throw Exception(PARSER_RUNTIME, &amain_method_name, "method not found in class %s", main.type());
1.79 paf 513:
1.250 paf 514: // extract response body
1.344 moko 515: Value* body_value=response.fields().get(download_name_upper); // $response:download?
1.406 moko 516: as_attachment=body_value!=0;
1.250 paf 517: if(!body_value)
1.344 moko 518: body_value=response.fields().get(body_name_upper); // $response:body
1.250 paf 519: if(!body_value)
520: body_value=new VString(*body_string); // just result of ^main[]
521:
1.119 paf 522: // @postprocess
1.383 moko 523: if(const Method *method=main_class.get_method(post_process_method_name)) {
524: METHOD_FRAME_ACTION(*method, 0 /*no parent*/, main_class, {
525: frame.store_params(&body_value, 1);
526: call(frame);
527: body_value=&frame.result();
528: });
529: }
1.90 paf 530:
1.406 moko 531: body_file=body_value->as_vfile(flang, &charsets);
1.183 paf 532:
1.171 parser 533: } catch(const Exception& e) { // request handling problem
1.268 paf 534: try {
1.407 moko 535: // we're returning not result, but error explanation
1.269 paf 536:
1.407 moko 537: Request::Exception_details details=get_details(e);
538: const char* exception_cstr=get_exception_cstr(e, details);
1.258 paf 539:
1.407 moko 540: // reset language to default
541: flang=fdefault_lang;
542: // reset response
543: response.fields().clear();
544:
545: // this is what we'd return in $response:body
546: const String* body_string=0;
547:
548: // maybe we'd be lucky enough as to report an error in a gracefull way...
549: if(const Method *method=main_class.get_method(*new String(UNHANDLED_EXCEPTION_METHOD_NAME))) {
550: // preparing parameters to @unhandled_exception[exception;stack]
551:
552: Table& stack_trace=exception_trace.table(*this);
553: 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)
554:
555: Value *params[]={&details.vhash, new VTable(&stack_trace)};
556: METHOD_FRAME_ACTION(*method, 0 /*no caller*/, main_class, {
557: frame.store_params(params, 2);
558: call(frame);
559: body_string=&frame.result().as_string();
560: });
561: }
1.383 moko 562:
1.407 moko 563: // conditionally log it
564: Value* vhandled=details.vhash.hash().get(exception_handled_part_name);
565: if(!vhandled || !vhandled->as_bool()) {
566: SAPI::log(sapi_info, "%s", exception_cstr);
567: }
1.383 moko 568:
1.407 moko 569: if(body_string) { // could report an error beautifully?
570: VString body_vstring(*body_string);
1.273 paf 571:
1.407 moko 572: body_file=body_vstring.as_vfile(flang, &charsets);
573: as_attachment=false;
574: } else {
575: // doing that ugly
576: SAPI::send_error(sapi_info, exception_cstr, !strcmp(e.type(), "file.missing") ? "404" : "500");
577: return;
578: }
1.287 misha 579:
1.273 paf 580: } catch(const Exception& e) { // exception in unhandled exception
1.269 paf 581: Request::Exception_details details=get_details(e);
1.380 moko 582: // unconditionally log the beast in exception handler
1.407 moko 583: throw Exception(0, 0, "Unhandled exception in %s", get_exception_cstr(e, details));
1.268 paf 584: }
1.1 paf 585: }
1.406 moko 586:
587: // write out the result outside of try as network exceptions should not be handled by parser code.
588: output_result(body_file, header_only, as_attachment);
1.1 paf 589: }
590:
1.266 paf 591: uint Request::register_file(String::Body file_spec) {
1.248 paf 592: file_list+=file_spec;
593: return file_list.count()-1;
594: }
595:
1.387 moko 596: void Request::use_file_directly(const String& file_spec, bool fail_on_file_absence, bool with_auto_p) {
1.73 paf 597: // cyclic dependence check
1.318 misha 598: if(used_files.get(file_spec))
1.248 paf 599: return;
1.318 misha 600: used_files.put(file_spec, true);
601:
1.385 moko 602: if(!fail_on_file_absence && !entry_exists(file_spec)) // ignore file absence if asked for
603: return;
1.318 misha 604:
1.386 moko 605: if(with_auto_p) {
606: // loading auto.p files from document_root/..
607: // to the one beside requested file.
608: // all assigned bases from upper dir
609: const char* target=file_spec.cstr();
610:
611: // all relative paths are calculated from main document
612: request_info.path_translated=target;
613:
614: const char* after=target;
615: size_t drlen=strlen(request_info.document_root);
616: if(memcmp(after, request_info.document_root, drlen)==0) {
617: after+=drlen;
618: if(after[-1]=='/')
619: --after;
620: }
621:
622: while(const char* before=strchr(after, '/')) {
623: String& sfile_spec=*new String;
624: if(after!=target) {
625: sfile_spec.append_strdup(target, before-target, String::L_CLEAN);
626: sfile_spec << "/" AUTO_FILE_NAME;
627:
1.387 moko 628: use_file_directly(sfile_spec, false /*ignore absence, sole user*/);
1.386 moko 629: }
630: for(after=before+1;*after=='/';after++);
631: }
632: }
633:
1.385 moko 634: if(const char* source=file_read_text(charsets, file_spec, true))
1.387 moko 635: use_buf(main_class, source, 0, register_file(file_spec));
1.318 misha 636: }
637:
638:
1.387 moko 639: void Request::use_file(const String& file_name, const String* use_filespec/*absolute*/, bool with_auto_p) {
1.326 misha 640: if(file_name.is_empty())
1.366 moko 641: throw Exception(PARSER_RUNTIME, 0, "usage failed - no filename was specified");
1.326 misha 642:
1.318 misha 643: const String* filespec=0;
644:
645: if(file_name.first_char()=='/') //absolute path? [no need to scan MAIN:CLASS_PATH]
1.388 moko 646: filespec=&full_disk_path(file_name);
1.318 misha 647: else if(use_filespec){ // search in current dir first
1.331 misha 648: size_t last_slash_pos=use_filespec->strrpbrk("/");
649: if(last_slash_pos!=STRING_NOT_FOUND)
650: filespec=file_exist(use_filespec->mid(0, last_slash_pos), file_name); // found in current dir?
1.318 misha 651: }
652:
653: if(!filespec){
654: // prevent multiple scan CLASS_PATH for searching one file
655: if(searched_along_class_path.get(file_name))
656: return;
657: searched_along_class_path.put(file_name, true);
1.308 misha 658: if(Value* element=main_class.get_element(class_path_name)) {
1.233 paf 659: if(element->is_string()) {
1.388 moko 660: filespec=file_exist(full_disk_path(element->as_string()), file_name); // found at class_path?
1.233 paf 661: } else if(Table *table=element->get_table()) {
1.318 misha 662: for(size_t i=table->count(); i--; ) {
1.248 paf 663: const String& path=*(*table->get(i))[0];
1.388 moko 664: if(filespec=file_exist(full_disk_path(path), file_name))
1.233 paf 665: break; // found along class_path
666: }
667: } else
1.366 moko 668: throw Exception(PARSER_RUNTIME, 0, "$" CLASS_PATH_NAME " must be string or table");
1.318 misha 669: if(!filespec)
1.415 moko 670: throw Exception(PARSER_RUNTIME, &file_name, "not found along $MAIN:" CLASS_PATH_NAME);
1.318 misha 671: } else
1.415 moko 672: throw Exception(PARSER_RUNTIME, &file_name, "usage failed - no $MAIN:" CLASS_PATH_NAME " were specified");
1.148 parser 673: }
1.230 paf 674:
1.387 moko 675: use_file_directly(*filespec, true, with_auto_p);
1.16 paf 676: }
677:
1.364 moko 678: void Request::use_file(const String& file_name, const String* use_filespec/*absolute*/, Operation::Origin origin) {
1.349 moko 679: static String use("USE");
680: try {
1.364 moko 681: static VHash* voptions=new VHash();
1.376 moko 682: if(const Method *method=main_class.get_method(use_method_name)){
1.364 moko 683: Value *params[]={new VString(file_name), voptions};
684: voptions->hash().put(origin_key, new VString(*use_filespec));
685:
686: CONSTRUCTOR_FRAME_ACTION(*method, 0 /*no parent*/, main_class, {
687: frame.store_params(params, 2);
688: // we don't need the result
689: call(frame);
690: });
691: }
1.349 moko 692: } catch (...) {
693: exception_trace.push(Trace(&use, origin));
694: rethrow;
695: }
696: }
1.208 paf 697:
1.358 moko 698: void Request::use_buf(VStateless_class& aclass, const char* source, const String* main_alias, uint file_no, int line_no_offset) {
699: // temporary zero @conf to avoid it second execution
1.248 paf 700: Temp_method temp_method_conf(aclass, conf_method_name, 0);
1.358 moko 701: // temporary zero @auto to avoid it second execution
1.248 paf 702: Temp_method temp_method_auto(aclass, auto_method_name, 0);
1.233 paf 703:
1.295 misha 704: // compile loaded classes
705: ArrayClass& cclasses=compile(&aclass, source, main_alias, file_no, line_no_offset);
1.212 paf 706:
1.248 paf 707: VString* vfilespec=
708: new VString(*new String(file_list[file_no], String::L_TAINTED));
1.295 misha 709:
710: for(size_t i=0; i<cclasses.count(); i++){
711: VStateless_class& cclass=*cclasses.get(i);
1.296 misha 712:
713: // locate and execute possible @conf[] static
1.382 moko 714: if(execute_method_if_exists(cclass, conf_method_name, vfilespec))
1.295 misha 715: configure_admin(cclass/*, executed.method->name*/);
716:
717: // locate and execute possible @auto[] static
1.419 moko 718: execute_auto_method_if_exists(cclass, auto_method_name, vfilespec);
1.336 moko 719:
720: cclass.enable_default_setter();
1.295 misha 721: }
1.19 paf 722: }
723:
1.248 paf 724: const String& Request::relative(const char* apath, const String& relative_name) {
1.341 moko 725: char *hpath=pa_strdup(apath);
1.248 paf 726: String& result=*new String;
727: if(rsplit(hpath, '/')) // if something/splitted
1.217 paf 728: result << hpath << "/";
1.248 paf 729: result << relative_name;
730: return result;
1.19 paf 731: }
732:
1.388 moko 733: const String& Request::full_disk_path(const String& relative_name) {
1.217 paf 734: if(relative_name.first_char()=='/') {
1.341 moko 735: String& result=*new String(pa_strdup(request_info.document_root));
1.104 paf 736: result << relative_name;
1.19 paf 737: return result;
1.389 moko 738: }
1.421 moko 739: if(relative_name.starts_with("http://") || relative_name.starts_with("parser://")
1.247 paf 740: #ifdef WIN32
1.389 moko 741: || relative_name.pos(":")==1 // DRIVE:
742: || relative_name.starts_with("\\\\") // UNC1
743: || relative_name.starts_with("//") // UNC2
1.247 paf 744: #endif
1.389 moko 745: )
746: return relative_name;
747:
748: return relative(request_info.path_translated ? request_info.path_translated : request_info.document_root, relative_name);
1.1 paf 749: }
1.45 paf 750:
1.267 paf 751: #ifndef DOXYGEN
752: class Add_header_attribute_info
753: {
754: public:
755: Add_header_attribute_info(Request& ar) : r(ar), add_last_modified(true) {}
756: Request& r;
757: bool add_last_modified;
758: };
759: #endif
1.344 moko 760: static void add_header_attribute(HashStringValue::key_type name, HashStringValue::value_type value, Add_header_attribute_info* info) {
761: if(name==BODY_NAME_UPPER || name==DOWNLOAD_NAME_UPPER || name==CHARSET_NAME_UPPER)
1.101 paf 762: return;
1.290 misha 763:
1.345 moko 764: if(name==LAST_MODIFIED_NAME_UPPER)
765: info->add_last_modified=false;
766:
1.316 misha 767: const char* aname=String(name, String::L_URI).untaint_and_transcode_cstr(String::L_URI, &info->r.charsets);
1.101 paf 768:
1.267 paf 769: SAPI::add_header_attribute(info->r.sapi_info,
1.345 moko 770: aname,
1.316 misha 771: attributed_meaning_to_string(*value, String::L_URI, false).untaint_and_transcode_cstr(String::L_URI, &info->r.charsets)
1.303 misha 772: );
1.267 paf 773: }
774:
1.366 moko 775: static void output_sole_piece(Request& r, bool header_only, VFile& body_file, Value* body_file_content_type) {
1.267 paf 776: // transcode text body when "text/*" or simple result
777: String::C output(body_file.value_ptr(), body_file.value_size());
778: if(!body_file_content_type/*vstring.as_vfile*/ || body_file_content_type->as_string().pos("text/")==0)
1.366 moko 779: output=Charset::transcode(output, r.charsets.source(), r.charsets.client());
1.267 paf 780:
1.311 misha 781: // prepare header: Content-Length
782: SAPI::add_header_attribute(r.sapi_info, HTTP_CONTENT_LENGTH, format(output.length, "%u"));
1.267 paf 783:
784: // send header
785: SAPI::send_header(r.sapi_info);
786:
787: // send body
788: if(!header_only)
789: SAPI::send_body(r.sapi_info, output.str, output.length);
790: }
791:
792: #ifndef DOXYGEN
793: struct Range
794: {
1.396 moko 795: uint64_t start;
796: uint64_t end;
1.267 paf 797: };
798: #endif
1.396 moko 799:
800: #define UNSET ((uint64_t)-1)
801:
1.313 misha 802: static void parse_range(const String* s, Array<Range> &ar) {
1.267 paf 803: const char *p = s->cstr();
804: if(s->starts_with("bytes="))
805: p += 6;
806: Range r;
807: while(*p){
1.396 moko 808: r.start = UNSET;
809: r.end = UNSET;
1.401 moko 810:
811: while(*p==' ' || *p=='\t') p++;
812:
1.267 paf 813: if(*p >= '0' && *p <= '9'){
1.416 moko 814: const char *n=p;
1.401 moko 815: while(*p>='0' && *p<='9') p++;
1.416 moko 816: r.start = pa_atoul(pa_strdup(n, p-n));
1.267 paf 817: }
1.401 moko 818:
819: while(*p==' ' || *p=='\t') p++;
820:
1.267 paf 821: if(*p++ != '-') break;
1.401 moko 822:
823: while(*p==' ' || *p=='\t') p++;
824:
1.267 paf 825: if(*p >= '0' && *p <= '9'){
1.416 moko 826: const char *n=p;
1.401 moko 827: while(*p>='0' && *p<='9') p++;
1.416 moko 828: r.end = pa_atoul(pa_strdup(n, p-n));
1.267 paf 829: }
1.401 moko 830:
831: while(*p==' ' || *p=='\t') p++;
832:
833: if(*p)
834: if(*p++ != ',') break;
835:
1.267 paf 836: ar += r;
837: }
1.101 paf 838: }
1.267 paf 839:
1.400 moko 840: struct Send_range_action_info {
841: Request *r;
842: uint64_t offset;
843: uint64_t part_length;
844: };
845:
846: static void send_range(struct stat& /*finfo*/, int f, const String& /*file_spec*/, void *context){
847: Send_range_action_info &info = *(Send_range_action_info*)context;
848:
1.414 moko 849: SAPI::send_header(info.r->sapi_info);
1.400 moko 850: pa_lseek(f, info.offset, SEEK_SET);
851:
852: const size_t BUFSIZE = 128*0x400;
853: char buf[BUFSIZE];
854: do{
855: size_t to_read = info.part_length < BUFSIZE ? (size_t)info.part_length : BUFSIZE;
856: size_t to_write = file_block_read(f, buf, to_read);
857:
858: if(to_write == 0)
859: break;
860:
861: size_t size = SAPI::send_body(info.r->sapi_info, buf, to_write);
862: if(size != to_write)
863: break;
864:
865: info.part_length -= to_write;
866: } while (info.part_length);
867: }
868:
1.396 moko 869: 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 870: SAPI::add_header_attribute(r.sapi_info, "accept-ranges", "bytes");
1.270 paf 871:
1.339 moko 872: const char *range = SAPI::Env::get(r.sapi_info, "HTTP_RANGE");
1.396 moko 873: uint64_t offset=0;
874: uint64_t part_length=content_length;
1.401 moko 875:
876: if(range && content_length){
1.267 paf 877: Array<Range> ar;
878: parse_range(new String(range), ar);
1.396 moko 879: int count = ar.count();
1.267 paf 880: if(count == 1){
881: Range &rg = ar.get_ref(0);
1.401 moko 882:
883: if(rg.start == UNSET && rg.end == UNSET)
884: return SAPI::send_error(r.sapi_info, "", "416");
885:
1.396 moko 886: if(rg.start == UNSET && rg.end != UNSET){
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];
906: snprintf(buf, MAX_STRING, "bytes %.15g-%.15g/%.15g", (double)rg.start, (double)rg.end, (double)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:
1.398 moko 914: SAPI::add_header_attribute(r.sapi_info, HTTP_CONTENT_LENGTH, format((double)part_length, "%.15g"));
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){
920: SAPI::send_header(r.sapi_info);
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:
1.349 moko 1040: Request::Exception_details Request::get_details(const Exception& e) {
1041: const String* problem_source=e.problem_source();
1042: VHash& vhash=*new VHash; HashStringValue& hash=vhash.hash();
1043: Operation::Origin origin={0, 0, 0};
1.248 paf 1044:
1.349 moko 1045: if(!exception_trace.is_empty()) {
1046: Trace bottom=exception_trace.bottom_value();
1.350 moko 1047: origin=bottom.origin();
1048: if(!problem_source) { // we don't know who trigged the bug
1049: problem_source=bottom.name(); // we usually know source of next-from-throw-point exception did that
1050: exception_trace.set_bottom_index(exception_trace.bottom_index()+1);
1051: } else if (bottom.name()==problem_source) { // it is that same guy?
1.349 moko 1052: exception_trace.set_bottom_index(exception_trace.bottom_index()+1); // throw away that trace
1053: } else {
1054: // stack top contains not us, leaving intact to help ^throw
1.279 paf 1055: }
1.248 paf 1056: }
1057:
1058: // $.type
1059: if(const char* type=e.type(true))
1060: hash.put(exception_type_part_name, new VString(*new String(type)));
1061:
1062: // $.source
1.349 moko 1063: if(problem_source)
1064: hash.put(exception_source_part_name, new VString(*new String(*problem_source, String::L_TAINTED)));
1.248 paf 1065:
1.349 moko 1066: // $.file $.lineno $.colno
1067: if(origin.file_no){
1.347 moko 1068: hash.put("file", new VString(*new String(file_list[origin.file_no], String::L_TAINTED)));
1069: hash.put("lineno", new VInt(1+origin.line));
1070: hash.put("colno", new VInt(1+origin.col));
1.248 paf 1071: }
1072:
1073: // $.comment
1074: if(const char* comment=e.comment(true))
1.349 moko 1075: hash.put(exception_comment_part_name, new VString(*new String(comment, String::L_TAINTED)));
1.248 paf 1076:
1077: // $.handled(0)
1.299 misha 1078: hash.put(exception_handled_part_name, &VBool::get(false));
1.233 paf 1079:
1.349 moko 1080: return Request::Exception_details(origin, problem_source, vhash);
1.133 parser 1081: }
1.337 moko 1082:
1083: Temp_value_element::Temp_value_element(Request& arequest, Value& awhere, const String& aname, Value* awhat) :
1084: frequest(arequest),
1085: fwhere(awhere),
1086: fname(aname),
1087: saved(awhere.get_element(aname))
1088: {
1089: Junction* junction;
1090: if(saved && (junction=saved->get_junction()) && junction->is_getter)
1091: saved=0;
1092: frequest.put_element(fwhere, aname, awhat);
1093: }
1094:
1095: Temp_value_element::~Temp_value_element() {
1096: frequest.put_element(fwhere, fname, saved ? saved : VVoid::get());
1097: }
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