Annotation of parser3/src/main/pa_request.C, revision 1.459
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"
1.458 moko 37: #include "pa_code_cache.h"
1.159 parser 38:
1.459 ! moko 39: volatile const char * IDENT_PA_REQUEST_C="$Id: pa_request.C,v 1.458 2026/10/05 17:50:18 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:
1.449 moko 48: // One recursion level uses ~0.85KB of stack under linux/gcc, ~1KB under win32 and ~2KB under win64.
49: // MSVC win64 exception handling requires an extra ~10KB !!! for each throw, and execute() catches and
50: // rethrows on every level to provide a stack trace.
1.450 moko 51: // So 1000 levels need ~1MB under linux (default 8MB stack is enough) and ~2+10=12MB under win64.
52: // Worse, win64 keeps the unwound frames until the catch block returns, so a handler running away
53: // in its turn starts on top of them and needs one more such budget. The stack is set to 40MB in
54: // the MSVC project settings to allow nested three runaways.
1.449 moko 55: const int EXECUTE_RECURSION_LIMIT=1000;
56: const int EXECUTE_RECURSION_RESERVE=100;
57:
1.446 moko 58: const int LOOP_LIMIT=100000;
59: const int ARRAY_LIMIT=1000000;
60: const int HTTPD_TIMEOUT=4;
1.369 moko 61: const size_t FILE_SIZE_LIMIT=512*1024*1024;
1.361 moko 62:
1.248 paf 63: // defines for globals
64:
65: #define MAIN_METHOD_NAME "main"
66: #define AUTO_METHOD_NAME "auto"
1.364 moko 67: #define USE_METHOD_NAME "use"
1.309 misha 68: #define AUTOUSE_METHOD_NAME "autouse"
1.364 moko 69:
70: #define ORIGIN_KEY "origin"
71:
1.248 paf 72: // globals
73:
74: const String main_method_name(MAIN_METHOD_NAME);
75: const String auto_method_name(AUTO_METHOD_NAME);
1.364 moko 76: static const String use_method_name(USE_METHOD_NAME);
77: static const String autouse_method_name(AUTOUSE_METHOD_NAME);
1.311 misha 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");
1.458 moko 115: #ifdef CODE_CACHE
116: static const String httpd_code_cache_name("code-cache");
117: #endif
1.395 moko 118:
119: static const String conf_method_name("conf");
120: static const String post_process_method_name("postprocess");
121: static const String response_body_file_name("file");
1.248 paf 122:
1.344 moko 123: static const String download_name_upper(DOWNLOAD_NAME_UPPER);
124: static const String body_name_upper(BODY_NAME_UPPER);
125:
126: // more static
127:
128: static const String content_type_name_upper(HTTP_CONTENT_TYPE_UPPER);
129: static const String content_disposition_name_upper(CONTENT_DISPOSITION_UPPER);
1.392 moko 130: static const String content_disposition_inline(CONTENT_DISPOSITION_INLINE);
1.344 moko 131: static const String content_disposition_attachment(CONTENT_DISPOSITION_ATTACHMENT);
132:
1.420 moko 133: const String content_disposition_filename_name(CONTENT_DISPOSITION_FILENAME_NAME);
134: const String content_disposition_filename_name_asterisk("filename*");
135:
1.248 paf 136: // defines
1.82 paf 137:
1.344 moko 138: #define CHARSET_NAME_UPPER "CHARSET"
139: #define LAST_MODIFIED_NAME_UPPER "LAST-MODIFIED"
140:
1.233 paf 141: // op.C
1.248 paf 142: VStateless_class& VClassMAIN_create();
1.123 paf 143:
1.157 parser 144: //
1.445 moko 145: void Request::recursion_limit_reached() {
146: if(execute_recursion_limit>pa_execute_recursion_limit)
147: throw Recursion_limit_exception();
148:
149: execute_recursion_limit+=EXECUTE_RECURSION_RESERVE;
150: throw Exception(PARSER_RUNTIME, 0, "call canceled - endless recursion detected");
151: }
152:
1.408 moko 153: Request::Request(SAPI_Info& asapi_info, Request_info& arequest_info, String::Language adefault_lang):
1.248 paf 154: // private
1.427 moko 155: anti_endless_execute_recursion(0),
1.445 moko 156: execute_recursion_limit(pa_execute_recursion_limit),
1.248 paf 157:
158: // public
1.335 moko 159: allow_class_replace(false),
1.248 paf 160: method_frame(0),
161: rcontext(0),
162: wcontext(0),
163: flang(adefault_lang),
1.191 paf 164: fconnection(0),
1.371 moko 165: fin_cycle(0),
1.307 misha 166: fskip(SKIP_NOTHING),
1.248 paf 167:
168: // public
1.257 paf 169: request_info(arequest_info),
1.248 paf 170: sapi_info(asapi_info),
1.359 moko 171: charsets(pa_UTF8_charset, pa_UTF8_charset, pa_UTF8_charset), // default charsets
1.248 paf 172:
173: main_class(VClassMAIN_create()),
1.260 paf 174: form(*new VForm(charsets, arequest_info)),
1.248 paf 175: mail(*new VMail),
176: response(*new VResponse(arequest_info, charsets)),
1.298 misha 177: cookie(*new VCookie(charsets, arequest_info)),
1.285 misha 178: console(*new VConsole),
1.248 paf 179:
180: // private
181: configure_admin_done(false),
182:
183: // private defaults
184: fdefault_lang(adefault_lang),
185: // private mime types
186: mime_types(0)
1.157 parser 187: {
1.261 paf 188: pa_register_thread_request(*this);
189:
1.248 paf 190: // file_no=0 => unknown
1.434 moko 191: file_list+=String::Body("UNKNOWN");
192: file_list+=String::Body("-body of process-"); // pseudo_file_no__process
1.458 moko 193: #ifdef CODE_CACHE
194: Code_cache_manager::add_files(file_list);
195: #endif
1.186 paf 196:
1.178 paf 197: // maybe expire old caches
1.264 paf 198: cache_managers->maybe_expire();
1.178 paf 199:
1.157 parser 200: /// directly used
1.233 paf 201: // MAIN class, operators
1.353 moko 202: put_class(&main_class);
1.157 parser 203: // classes:
204: // table, file, random, mail, image, ...
1.248 paf 205: methoded_array().register_directly_used(*this);
1.157 parser 206:
207: /// methodless
1.354 moko 208:
1.157 parser 209: // env class
1.353 moko 210: put_class(new VEnv(asapi_info));
1.175 paf 211: // status class
1.353 moko 212: put_class(new VStatus());
1.157 parser 213: // request class
1.353 moko 214: put_class(new VRequest(arequest_info, charsets, form, asapi_info));
1.157 parser 215: // cookie class
1.353 moko 216: put_class(&cookie);
1.253 paf 217: // console class
1.353 moko 218: put_class(&console);
1.354 moko 219:
1.157 parser 220: /// methoded
1.354 moko 221:
1.157 parser 222: // response class
1.353 moko 223: put_class(&response);
1.157 parser 224: // form class
1.353 moko 225: put_class(&form);
1.213 paf 226: // mail class
1.353 moko 227: put_class(&mail);
1.157 parser 228: // math class
1.353 moko 229: put_class(new VMath);
1.248 paf 230: // memory class
1.353 moko 231: put_class(new VMemory);
1.117 paf 232: }
1.192 paf 233:
234: Request::~Request() {
235: #ifdef XML
236: // if for some strange reason xml generic errors failed to be reported, free them up
1.248 paf 237: if(const char* xml_generic_errors=xmlGenericErrors()) {
238: SAPI::log(sapi_info, "warning: unreported xmlGenericErrors: %s", xml_generic_errors);
1.341 moko 239: pa_free((void *)xml_generic_errors);
1.192 paf 240: }
241: #endif
242: }
1.236 paf 243:
1.248 paf 244: Value& Request::get_self() { return method_frame/*always have!*/->self(); }
1.192 paf 245:
1.355 moko 246: VStateless_class* Request::get_class(const String& name){
247: VStateless_class* result=classes().get(name);
1.313 misha 248: if(!result)
1.375 moko 249: if(const Method *method=main_class.get_element_method(autouse_method_name)){
1.364 moko 250: Value *vname=new VString(name);
251: CONSTRUCTOR_FRAME_ACTION(*method, 0 /*no parent*/, main_class, {
252: frame.store_params(&vname, 1);
253: // we don't need the result
254: call(frame);
255: });
256: result=classes().get(name);
257: }
1.309 misha 258: return result;
259: }
260:
1.411 moko 261: VStateless_class& Request::get_class_ref(const String& name){
262: VStateless_class* result=get_class(name);
263: if(!result)
264: throw Exception(PARSER_RUNTIME, &name, "class is undefined");
265: return *result;
266: }
267:
1.424 moko 268: bool Request::add_class(const char* atype, VStateless_class *aclass){
1.436 moko 269: if(!classes().put_dont_replace(String::Body(atype), aclass))
270: return true;
1.437 moko 271: if(!allow_class_replace && strcmp(atype, VARRAY_TYPE))
272: return false;
1.436 moko 273: classes().remove(String::Body(atype));
1.424 moko 274: classes().put(atype, aclass);
275: return true;
276: }
277:
1.356 moko 278: static void load_charset(HashStringValue::key_type akey, HashStringValue::value_type avalue, Request_charsets* charsets) {
1.359 moko 279: pa_charsets.load_charset(*charsets, akey, avalue->as_string());
1.208 paf 280: }
1.356 moko 281:
1.395 moko 282:
283: #define CONF_OPTION(config, name, code, exception_name) \
284: if(config) \
285: if(Value* option=config->get_element(name)) { \
286: if(option->is_evaluated_expr()) { \
287: code; \
288: } else \
1.415 moko 289: throw Exception(PARSER_RUNTIME, 0, "$MAIN:" exception_name, name.cstr()); \
1.395 moko 290: }
291:
1.248 paf 292: void Request::configure_admin(VStateless_class& conf_class) {
1.208 paf 293: if(configure_admin_done)
1.356 moko 294: throw Exception(PARSER_RUNTIME, 0, "parser already configured");
1.208 paf 295: configure_admin_done=true;
296:
1.227 paf 297: // charsets must only be specified in method_frame config
1.208 paf 298: // so that users would not interfere
299:
300: /* $MAIN:CHARSETS[
301: $.charsetname1[/full/path/to/charset/file.cfg]
302: ...
303: ]
304: */
1.308 misha 305: if(Value* vcharsets=conf_class.get_element(charsets_name)) {
1.342 moko 306: if(!vcharsets->is_string()) {
1.248 paf 307: if(HashStringValue* charsets=vcharsets->get_hash())
1.281 paf 308: charsets->for_each<Request_charsets*>(load_charset, &this->charsets);
1.240 paf 309: else
1.415 moko 310: throw Exception(PARSER_RUNTIME, 0, "$MAIN:%s must be hash", charsets_name.cstr());
1.342 moko 311: }
1.208 paf 312: }
313:
1.330 moko 314: #ifdef STRICT_VARS
1.332 moko 315: VVoid::strict_vars=false;
1.330 moko 316: if(Value* strict_vars=conf_class.get_element(strict_vars_name)) {
317: if(strict_vars->is_bool())
318: VVoid::strict_vars=strict_vars->as_bool();
1.357 moko 319: else
1.415 moko 320: throw Exception(PARSER_RUNTIME, 0, "$MAIN:%s must be bool", strict_vars_name.cstr());
1.357 moko 321: }
322: #endif
323:
324: #ifdef OBJECT_PROTOTYPE
325: VClass::prototype=true;
326: if(Value* prototype=conf_class.get_element(prototype_name)) {
327: if(prototype->is_bool())
328: VClass::prototype=prototype->as_bool();
329: else
1.415 moko 330: throw Exception(PARSER_RUNTIME, 0, "$MAIN:%s must be bool", prototype_name.cstr());
1.330 moko 331: }
332: #endif
333:
1.415 moko 334: #ifdef CLASS_GETTER_UNPROTECTED
335: VClass::getter_protected=true;
336: if(Value* getter_protected=conf_class.get_element(getter_protected_name)) {
337: if(getter_protected->is_bool())
338: VClass::getter_protected=getter_protected->as_bool();
339: else
340: throw Exception(PARSER_RUNTIME, 0, "$MAIN:%s must be bool", getter_protected_name.cstr());
341: }
342: #endif
343:
344: VStateless_class::gall_vars_local=false;
345: if(Value* locals=conf_class.get_element(locals_name)) {
346: if(locals->is_bool()){
347: VStateless_class::gall_vars_local=locals->as_bool();
348: main_class.set_all_vars_local();
349: } else
350: throw Exception(PARSER_RUNTIME, 0, "$MAIN:%s must be bool", locals_name.cstr());
351: }
352:
1.362 moko 353: Value* limits=conf_class.get_element(limits_name);
354:
1.361 moko 355: pa_loop_limit=LOOP_LIMIT;
1.395 moko 356: CONF_OPTION(limits, loop_limit_name, {
357: pa_loop_limit=option->as_int();
358: if(pa_loop_limit==0) pa_loop_limit=INT_MAX;
359: }, "LIMITS.%s must be int");
1.361 moko 360:
1.425 moko 361: pa_array_limit=ARRAY_LIMIT;
362: CONF_OPTION(limits, array_limit_name, {
363: pa_array_limit=option->as_int();
364: if(pa_array_limit==0) pa_array_limit=INT_MAX;
365: }, "LIMITS.%s must be int");
366:
1.427 moko 367: pa_execute_recursion_limit=EXECUTE_RECURSION_LIMIT;
368: CONF_OPTION(limits, recursion_limit_name, {
369: pa_execute_recursion_limit=option->as_int();
1.445 moko 370: if(pa_execute_recursion_limit<=0) pa_execute_recursion_limit=INT_MAX;
371: pa_execute_recursion_limit=min(pa_execute_recursion_limit, INT_MAX-EXECUTE_RECURSION_RESERVE);
1.395 moko 372: }, "LIMITS.%s must be int");
1.445 moko 373: execute_recursion_limit=pa_execute_recursion_limit;
1.390 moko 374:
1.369 moko 375: pa_file_size_limit=FILE_SIZE_LIMIT;
1.395 moko 376: CONF_OPTION(limits, file_size_limit_name, {
377: double limit=option->as_double();
378: if(limit >= (double)SSIZE_MAX)
1.448 moko 379: throw Exception(PARSER_RUNTIME, 0, "$MAIN:LIMITS.%s must be less than %s", file_size_limit_name.cstr(), pa_itoa(SSIZE_MAX));
1.395 moko 380: pa_file_size_limit=(size_t)limit;
381: if(pa_file_size_limit==0)
382: pa_file_size_limit=SSIZE_MAX;
383: }, "LIMITS.%s must be number");
1.361 moko 384:
1.372 moko 385: pa_lock_attempts=PA_LOCK_ATTEMPTS;
1.395 moko 386: CONF_OPTION(limits, lock_wait_timeout_name, {
387: double limit=option->as_double();
388: if(limit >= 3600*24)
1.426 moko 389: throw Exception(PARSER_RUNTIME, 0, "$MAIN:LIMITS.%s must be less than %d", lock_wait_timeout_name.cstr(), 3600*24);
1.395 moko 390: pa_lock_attempts=(unsigned int)(limit*2)+1;
391: }, "LIMITS.%s must be number");
392:
393: Value* httpd=conf_class.get_element(httpd_name);
394:
395: pa_httpd_timeout=HTTPD_TIMEOUT;
396: CONF_OPTION(httpd, httpd_timeout_name, {
397: pa_httpd_timeout=option->as_int();
398: if(pa_httpd_timeout==0) pa_httpd_timeout=INT_MAX;
399: }, "HTTPD.%s must be int");
1.372 moko 400:
1.403 moko 401: if(httpd)
402: if(Value* option=httpd->get_element( httpd_mode_name)) {
403: if(option->get_junction())
1.415 moko 404: throw Exception(PARSER_RUNTIME, 0, "$MAIN:HTTPD:mode must be string");
1.403 moko 405: HTTPD_Server::set_mode(option->as_string());
406: }
1.402 moko 407:
1.458 moko 408: #ifdef CODE_CACHE
409: CONF_OPTION(httpd, httpd_code_cache_name, {
410: Code_cache_manager::set_enabled(option->as_bool());
411: }, "HTTPD.%s must be bool");
412: #endif
413:
1.227 paf 414: // configure method_frame options
1.208 paf 415: // until someone with less privileges have overriden them
1.248 paf 416: methoded_array().configure_admin(*this);
1.208 paf 417: }
1.150 parser 418:
1.442 moko 419: const char* Request::get_exception_cstr(const Exception& e, VException& details) {
1.349 moko 420:
1.269 paf 421: #define PA_URI_FORMAT "%s: "
1.349 moko 422: #define PA_COMMENT_TYPE_FORMAT "%s [%s]"
423:
1.269 paf 424: #define PA_ORIGIN_FILE_POS_FORMAT "%s(%d:%d): "
425: #define PA_SOURCE_FORMAT "'%s' "
1.349 moko 426:
427: #define PA_ORIGIN_FILE_POS_VALUE file_list[details.origin.file_no].cstr(), 1+details.origin.line, 1+details.origin.col,
428: #define PA_SOURCE_VALUE details.problem_source->cstr(),
429:
430: #define EXCEPTION_CSTR(f1,v1,f2,v2) \
431: snprintf(result, MAX_STRING, \
432: PA_URI_FORMAT \
433: f1 f2 \
434: PA_COMMENT_TYPE_FORMAT, \
435: request_info.uri, \
436: v1 v2 \
437: e.comment(), e.type() \
438: );
439:
1.269 paf 440: char* result=new(PointerFreeGC) char[MAX_STRING];
441:
442: if(details.problem_source) { // do we know the guy?
1.349 moko 443: if(details.origin.file_no) // do whe know where he came from?
444: EXCEPTION_CSTR(PA_ORIGIN_FILE_POS_FORMAT, PA_ORIGIN_FILE_POS_VALUE, PA_SOURCE_FORMAT, PA_SOURCE_VALUE)
445: else
446: EXCEPTION_CSTR(PA_SOURCE_FORMAT, PA_SOURCE_VALUE,,)
447: } else {
448: if(details.origin.file_no) // do whe know where he came from?
449: EXCEPTION_CSTR(PA_ORIGIN_FILE_POS_FORMAT, PA_ORIGIN_FILE_POS_VALUE,,)
450: else
451: EXCEPTION_CSTR(,,,)
452: }
1.269 paf 453:
454: return result;
455: }
1.272 paf 456:
1.444 moko 457: Table &Request::Exception_trace::table(Request &r, const String* problem_source, size_t bottom, size_t top){
1.407 moko 458: // $stack[^table::create{name file lineno colno}]
459: Table::columns_type stack_trace_columns(new ArrayString);
460: *stack_trace_columns+=new String("name");
461: *stack_trace_columns+=new String("file");
462: *stack_trace_columns+=new String("lineno");
463: *stack_trace_columns+=new String("colno");
464: Table& stack_trace=*new Table(stack_trace_columns);
465:
1.444 moko 466: if(bottom<top)
467: for(size_t i=bottom+(get(bottom).name()==problem_source); i<top; i++) {
1.407 moko 468: Trace trace=get(i);
469: Table::element_type row(new ArrayString);
470:
471: *row+=trace.name(); // name column
472: Operation::Origin origin=trace.origin();
473: if(origin.file_no) {
474: *row+=new String(r.file_list[origin.file_no], String::L_TAINTED); // 'file' column
1.422 moko 475: *row+=new String(pa_uitoa(1+origin.line), String::L_CLEAN); // 'lineno' column
476: *row+=new String(pa_uitoa(1+origin.col), String::L_CLEAN); // 'colno' column
1.407 moko 477: }
478: stack_trace+=row;
479: }
480:
481: return stack_trace;
482: }
483:
1.272 paf 484: void Request::configure() {
485: // configure admin options if not configured yet
486: if(!configure_admin_done)
487: configure_admin(main_class);
488:
489: // $MAIN:MIME-TYPES
1.308 misha 490: if(Value* element=main_class.get_element(mime_types_name))
1.272 paf 491: if(Table *table=element->get_table())
1.395 moko 492: mime_types=table;
1.272 paf 493: }
1.408 moko 494:
1.459 ! moko 495: /// HEAD request: only the headers are sent
! 496: static bool is_header_only(Request_info& info) {
! 497: return info.method && strcasecmp(info.method, "HEAD")==0;
! 498: }
! 499:
1.64 paf 500: /**
501: load MAIN class, execute @main.
502: MAIN class consists of all the auto.p files we'd manage to find
503: plus
504: the file user requested us to process
505: all located classes become children of one another,
506: composing class we name 'MAIN'
1.180 paf 507:
508: @test log stack trace
509:
1.64 paf 510: */
1.459 ! moko 511: void Request::core(const char* config_filespec, const String &amain_method_name, const String* amain_class_name) {
! 512: bool header_only=is_header_only(request_info);
1.169 parser 513: try {
1.211 paf 514: // loading config
1.384 moko 515: if(config_filespec)
1.454 moko 516: use_file_directly(*new String(backslashes_to_slashes(config_filespec)));
1.8 paf 517:
1.338 moko 518: // filling mail received
519: mail.fill_received(*this);
520:
1.272 paf 521: try {
522: // compile requested file
1.389 moko 523: if(request_info.path_translated)
524: use_file_directly(*new String(request_info.path_translated, String::L_TAINTED), true, true /* load auto.p files */);
1.272 paf 525: configure();
526: } catch(...) {
527: configure(); // configure anyway, useful in @unhandled_exception [say, if they would want to mail by SMTP something]
528: rethrow;
529: }
1.25 paf 530:
1.412 moko 531: VStateless_class& main = amain_class_name ? get_class_ref(*amain_class_name) : main_class;
1.25 paf 532: // execute @main[]
1.412 moko 533: const String* body_string=amain_method_name.is_empty() ? &String::Empty : execute_method(main, amain_method_name);
1.41 paf 534: if(!body_string)
1.412 moko 535: throw Exception(PARSER_RUNTIME, &amain_method_name, "method not found in class %s", main.type());
1.79 paf 536:
1.250 paf 537: // extract response body
1.344 moko 538: Value* body_value=response.fields().get(download_name_upper); // $response:download?
1.430 moko 539: bool as_attachment=body_value!=0;
1.250 paf 540: if(!body_value)
1.344 moko 541: body_value=response.fields().get(body_name_upper); // $response:body
1.250 paf 542: if(!body_value)
543: body_value=new VString(*body_string); // just result of ^main[]
544:
1.119 paf 545: // @postprocess
1.383 moko 546: if(const Method *method=main_class.get_method(post_process_method_name)) {
547: METHOD_FRAME_ACTION(*method, 0 /*no parent*/, main_class, {
548: frame.store_params(&body_value, 1);
549: call(frame);
550: body_value=&frame.result();
551: });
552: }
1.90 paf 553:
1.430 moko 554: // can throw exceptions while handling $response:download[]
555: output_result(body_value->as_vfile(flang, &charsets), header_only, as_attachment);
1.171 parser 556: } catch(const Exception& e) { // request handling problem
1.258 paf 557:
1.445 moko 558: // OK, as native execution stack has unwound
559: anti_endless_execute_recursion=0;
560:
1.431 moko 561: // we're returning not result, but error explanation
1.442 moko 562: VException& details=*new VException(*this, e);
1.431 moko 563: const char* exception_cstr=get_exception_cstr(e, details);
564:
565: // reset language to default
566: flang=fdefault_lang;
567: // reset response
568: response.fields().clear();
569: SAPI::clear_headers(sapi_info);
1.407 moko 570:
1.431 moko 571: // this is what we'd return in $response:body
572: const String* body_string=0;
1.407 moko 573:
1.431 moko 574: try {
1.407 moko 575: // maybe we'd be lucky enough as to report an error in a gracefull way...
576: if(const Method *method=main_class.get_method(*new String(UNHANDLED_EXCEPTION_METHOD_NAME))) {
577: // preparing parameters to @unhandled_exception[exception;stack]
578:
1.443 moko 579: Table& stack_trace=exception_trace.table(*this, details.problem_source);
1.444 moko 580: details.expire_trace();
1.407 moko 581: 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)
582:
1.442 moko 583: Value *params[]={&details, new VTable(&stack_trace)};
1.407 moko 584: METHOD_FRAME_ACTION(*method, 0 /*no caller*/, main_class, {
585: frame.store_params(params, 2);
586: call(frame);
587: body_string=&frame.result().as_string();
588: });
589: }
1.383 moko 590:
1.407 moko 591: // conditionally log it
1.442 moko 592: Value* vhandled=details.handled();
1.407 moko 593: if(!vhandled || !vhandled->as_bool()) {
594: SAPI::log(sapi_info, "%s", exception_cstr);
595: }
1.431 moko 596: } catch(const Exception& e) { // exception in @unhandled_exception
1.442 moko 597: VException& details=*new VException(*this, e);
1.431 moko 598: // logging both initial and new exceptions
599: SAPI::log(sapi_info, "%s", exception_cstr);
600: SAPI::log(sapi_info, "Exception in @unhandled_exception at %s", get_exception_cstr(e, details));
601: SAPI::send_error(sapi_info, "Exception in @unhandled_exception, details are available in Parser error log.");
602: return;
603: }
1.383 moko 604:
1.431 moko 605: if(body_string) { // could report an error beautifully?
606: VString body_vstring(*body_string);
607: output_result(body_vstring.as_vfile(flang, &charsets), header_only, false);
608: } else {
609: // doing that ugly
610: SAPI::send_error(sapi_info, exception_cstr, strcmp(e.type(), "file.missing") ? "500" : "404");
1.268 paf 611: }
1.1 paf 612: }
613: }
614:
1.266 paf 615: uint Request::register_file(String::Body file_spec) {
1.248 paf 616: file_list+=file_spec;
617: return file_list.count()-1;
618: }
619:
1.387 moko 620: void Request::use_file_directly(const String& file_spec, bool fail_on_file_absence, bool with_auto_p) {
1.73 paf 621: // cyclic dependence check
1.318 misha 622: if(used_files.get(file_spec))
1.248 paf 623: return;
1.318 misha 624: used_files.put(file_spec, true);
625:
1.385 moko 626: if(!fail_on_file_absence && !entry_exists(file_spec)) // ignore file absence if asked for
627: return;
1.318 misha 628:
1.386 moko 629: if(with_auto_p) {
1.454 moko 630: // loading auto.p files from document_root/..
1.386 moko 631: // to the one beside requested file.
632: // all assigned bases from upper dir
633: const char* target=file_spec.cstr();
634:
635: // all relative paths are calculated from main document
636: request_info.path_translated=target;
637:
638: const char* after=target;
1.454 moko 639: size_t drlen=strlen(request_info.document_root_path);
1.457 moko 640: if(path_cmp(after, request_info.document_root_path, drlen)==0)
1.454 moko 641: after+=drlen; // to start from document_root/auto.p
1.386 moko 642:
643: while(const char* before=strchr(after, '/')) {
644: String& sfile_spec=*new String;
645: if(after!=target) {
646: sfile_spec.append_strdup(target, before-target, String::L_CLEAN);
647: sfile_spec << "/" AUTO_FILE_NAME;
648:
1.387 moko 649: use_file_directly(sfile_spec, false /*ignore absence, sole user*/);
1.386 moko 650: }
651: for(after=before+1;*after=='/';after++);
652: }
653: }
654:
1.458 moko 655: Code_cache* code=0;
656: #ifdef CODE_CACHE
657: if(Code_cache* cached=Code_cache_manager::get(file_spec)) {
658: use_buf(main_class, 0, 0, cached->file_no, 0, cached);
659: return;
660: }
661: // to record the compilation; only while the httpd config runs
662: code=Code_cache_manager::create(file_spec);
663: #endif
664:
1.385 moko 665: if(const char* source=file_read_text(charsets, file_spec, true))
1.458 moko 666: use_buf(main_class, source, 0, register_file(file_spec), 0, code);
1.318 misha 667: }
668:
669:
1.454 moko 670: void Request::use_file(const String& afile_name, const String* use_filespec/*absolute*/, bool with_auto_p) {
671: if(afile_name.is_empty())
1.366 moko 672: throw Exception(PARSER_RUNTIME, 0, "usage failed - no filename was specified");
1.326 misha 673:
1.318 misha 674: const String* filespec=0;
1.454 moko 675: const String& file_name=backslashes_to_slashes(afile_name);
1.318 misha 676:
1.454 moko 677: if(file_name.first_char()=='/' || path_scheme(afile_name) || is_os_absolute_path(afile_name)) // path is not relative, no need to scan MAIN:CLASS_PATH
678: filespec=&full_disk_path(afile_name);
1.318 misha 679: else if(use_filespec){ // search in current dir first
1.454 moko 680: size_t last_slash_pos=use_filespec->strrchr('/');
1.331 misha 681: if(last_slash_pos!=STRING_NOT_FOUND)
682: filespec=file_exist(use_filespec->mid(0, last_slash_pos), file_name); // found in current dir?
1.318 misha 683: }
684:
685: if(!filespec){
686: // prevent multiple scan CLASS_PATH for searching one file
687: if(searched_along_class_path.get(file_name))
688: return;
689: searched_along_class_path.put(file_name, true);
1.308 misha 690: if(Value* element=main_class.get_element(class_path_name)) {
1.233 paf 691: if(element->is_string()) {
1.388 moko 692: filespec=file_exist(full_disk_path(element->as_string()), file_name); // found at class_path?
1.233 paf 693: } else if(Table *table=element->get_table()) {
1.318 misha 694: for(size_t i=table->count(); i--; ) {
1.248 paf 695: const String& path=*(*table->get(i))[0];
1.388 moko 696: if(filespec=file_exist(full_disk_path(path), file_name))
1.233 paf 697: break; // found along class_path
698: }
699: } else
1.366 moko 700: throw Exception(PARSER_RUNTIME, 0, "$" CLASS_PATH_NAME " must be string or table");
1.318 misha 701: if(!filespec)
1.415 moko 702: throw Exception(PARSER_RUNTIME, &file_name, "not found along $MAIN:" CLASS_PATH_NAME);
1.318 misha 703: } else
1.415 moko 704: throw Exception(PARSER_RUNTIME, &file_name, "usage failed - no $MAIN:" CLASS_PATH_NAME " were specified");
1.148 parser 705: }
1.230 paf 706:
1.387 moko 707: use_file_directly(*filespec, true, with_auto_p);
1.16 paf 708: }
709:
1.364 moko 710: void Request::use_file(const String& file_name, const String* use_filespec/*absolute*/, Operation::Origin origin) {
1.349 moko 711: static String use("USE");
712: try {
1.364 moko 713: static VHash* voptions=new VHash();
1.376 moko 714: if(const Method *method=main_class.get_method(use_method_name)){
1.364 moko 715: Value *params[]={new VString(file_name), voptions};
716: voptions->hash().put(origin_key, new VString(*use_filespec));
717:
718: CONSTRUCTOR_FRAME_ACTION(*method, 0 /*no parent*/, main_class, {
719: frame.store_params(params, 2);
720: // we don't need the result
721: call(frame);
722: });
723: }
1.349 moko 724: } catch (...) {
725: exception_trace.push(Trace(&use, origin));
726: rethrow;
727: }
728: }
1.208 paf 729:
1.458 moko 730: void Request::use_buf(VStateless_class& aclass, const char* source, const String* main_alias, uint file_no, int line_no_offset, Code_cache* code) {
1.358 moko 731: // temporary zero @conf to avoid it second execution
1.248 paf 732: Temp_method temp_method_conf(aclass, conf_method_name, 0);
1.358 moko 733: // temporary zero @auto to avoid it second execution
1.248 paf 734: Temp_method temp_method_auto(aclass, auto_method_name, 0);
1.233 paf 735:
1.295 misha 736: // compile loaded classes
1.458 moko 737: ArrayClass& cclasses=
738: #ifdef CODE_CACHE
739: !source ? code->replay(*this, aclass) :
740: #endif
741: compile(&aclass, source, main_alias, file_no, line_no_offset, code);
1.212 paf 742:
1.248 paf 743: VString* vfilespec=
1.435 moko 744: new VString(file_list[file_no]);
1.295 misha 745:
746: for(size_t i=0; i<cclasses.count(); i++){
747: VStateless_class& cclass=*cclasses.get(i);
1.296 misha 748:
749: // locate and execute possible @conf[] static
1.382 moko 750: if(execute_method_if_exists(cclass, conf_method_name, vfilespec))
1.295 misha 751: configure_admin(cclass/*, executed.method->name*/);
752:
753: // locate and execute possible @auto[] static
1.419 moko 754: execute_auto_method_if_exists(cclass, auto_method_name, vfilespec);
1.336 moko 755:
756: cclass.enable_default_setter();
1.295 misha 757: }
1.19 paf 758: }
759:
1.248 paf 760: const String& Request::relative(const char* apath, const String& relative_name) {
1.452 moko 761: // apath is a URI or a path already normalized by the target, always slash separated
1.341 moko 762: char *hpath=pa_strdup(apath);
1.248 paf 763: String& result=*new String;
764: if(rsplit(hpath, '/')) // if something/splitted
1.217 paf 765: result << hpath << "/";
1.248 paf 766: result << relative_name;
767: return result;
1.19 paf 768: }
769:
1.454 moko 770: void Request_info::set_document_root(const char* adocument_root) {
771: document_root=adocument_root;
772: char* path=backslashes_to_slashes(adocument_root);
773: if(path) {
774: size_t length=strlen(path);
775: while(length && path[length-1]=='/')
776: path[--length]=0;
777: }
778: document_root_path=path;
779: }
780:
1.453 moko 781: const String& Request::full_disk_path(const String& relative_name, uint allowed) {
1.454 moko 782: if(relative_name.first_char()!='/') {
783: if(uint scheme=path_scheme(relative_name)) {
784: check_path_scheme(scheme, relative_name, allowed);
785: if(scheme!=PA_SCHEME_FILE)
786: return relative_name; // an allowed uri is passed through
787: if(const String* path=file_uri_to_path(relative_name))
788: return backslashes_to_slashes(*path);
1.455 moko 789: #ifdef WIN32
790: throw Exception(PARSER_RUNTIME, &relative_name, "must be file:///path, file://localhost/path or file://server/share/path");
791: #else
1.454 moko 792: throw Exception(PARSER_RUNTIME, &relative_name, "must be file:///path or file://localhost/path");
1.455 moko 793: #endif
1.454 moko 794: }
795: // before '\' becomes '/', to avoid mixing the UNC path \\server with web path //server
796: if(is_os_absolute_path(relative_name))
797: return backslashes_to_slashes(relative_name);
1.453 moko 798: }
1.389 moko 799:
1.454 moko 800: const String& path=backslashes_to_slashes(relative_name);
801: if(path.first_char()!='/')
802: return relative(request_info.path_translated ? request_info.path_translated : pa_strcat(request_info.document_root_path, "/"), path);
803:
804: String& result=*new String(request_info.document_root_path);
805: result << path;
806: return result;
1.1 paf 807: }
1.45 paf 808:
1.453 moko 809: const String* Request::real_disk_path(const String& name) {
810: switch(path_scheme(name)) {
811: case PA_SCHEME_NONE: return &full_disk_path(name);
1.454 moko 812: case PA_SCHEME_FILE: {
1.456 moko 813: const String* path=clean_path_scheme(PA_SCHEME_FILE, name) ? file_uri_to_path(name) : 0;
1.454 moko 814: return path ? &backslashes_to_slashes(*path) : 0;
815: }
1.453 moko 816: default: return 0; // not a disk path
817: }
818: }
819:
1.267 paf 820: #ifndef DOXYGEN
821: class Add_header_attribute_info
822: {
823: public:
824: Add_header_attribute_info(Request& ar) : r(ar), add_last_modified(true) {}
825: Request& r;
826: bool add_last_modified;
827: };
828: #endif
1.344 moko 829: static void add_header_attribute(HashStringValue::key_type name, HashStringValue::value_type value, Add_header_attribute_info* info) {
830: if(name==BODY_NAME_UPPER || name==DOWNLOAD_NAME_UPPER || name==CHARSET_NAME_UPPER)
1.101 paf 831: return;
1.290 misha 832:
1.345 moko 833: if(name==LAST_MODIFIED_NAME_UPPER)
834: info->add_last_modified=false;
835:
1.316 misha 836: const char* aname=String(name, String::L_URI).untaint_and_transcode_cstr(String::L_URI, &info->r.charsets);
1.101 paf 837:
1.267 paf 838: SAPI::add_header_attribute(info->r.sapi_info,
1.345 moko 839: aname,
1.316 misha 840: attributed_meaning_to_string(*value, String::L_URI, false).untaint_and_transcode_cstr(String::L_URI, &info->r.charsets)
1.303 misha 841: );
1.267 paf 842: }
843:
1.366 moko 844: static void output_sole_piece(Request& r, bool header_only, VFile& body_file, Value* body_file_content_type) {
1.267 paf 845: // transcode text body when "text/*" or simple result
846: String::C output(body_file.value_ptr(), body_file.value_size());
847: if(!body_file_content_type/*vstring.as_vfile*/ || body_file_content_type->as_string().pos("text/")==0)
1.366 moko 848: output=Charset::transcode(output, r.charsets.source(), r.charsets.client());
1.267 paf 849:
1.311 misha 850: // prepare header: Content-Length
1.428 moko 851: SAPI::add_header_attribute(r.sapi_info, HTTP_CONTENT_LENGTH, pa_uitoa(output.length));
1.267 paf 852:
853: // send header
1.430 moko 854: SAPI::send_headers(r.sapi_info);
1.267 paf 855:
856: // send body
857: if(!header_only)
858: SAPI::send_body(r.sapi_info, output.str, output.length);
859: }
860:
861: #ifndef DOXYGEN
862: struct Range
863: {
1.396 moko 864: uint64_t start;
865: uint64_t end;
1.267 paf 866: };
867: #endif
1.396 moko 868:
869: #define UNSET ((uint64_t)-1)
870:
1.313 misha 871: static void parse_range(const String* s, Array<Range> &ar) {
1.267 paf 872: const char *p = s->cstr();
873: if(s->starts_with("bytes="))
874: p += 6;
875: Range r;
876: while(*p){
1.396 moko 877: r.start = UNSET;
878: r.end = UNSET;
1.401 moko 879:
880: while(*p==' ' || *p=='\t') p++;
881:
1.267 paf 882: if(*p >= '0' && *p <= '9'){
1.416 moko 883: const char *n=p;
1.401 moko 884: while(*p>='0' && *p<='9') p++;
1.440 moko 885: r.start = pa_atoul(pa_strdup(n, p-n)); // ((uint64_t)-1) is treated as UNSET
1.267 paf 886: }
1.401 moko 887:
888: while(*p==' ' || *p=='\t') p++;
889:
1.267 paf 890: if(*p++ != '-') break;
1.401 moko 891:
892: while(*p==' ' || *p=='\t') p++;
893:
1.267 paf 894: if(*p >= '0' && *p <= '9'){
1.416 moko 895: const char *n=p;
1.401 moko 896: while(*p>='0' && *p<='9') p++;
1.440 moko 897: r.end = pa_atoul(pa_strdup(n, p-n)); // ((uint64_t)-1) is treated as UNSET
1.267 paf 898: }
1.401 moko 899:
900: while(*p==' ' || *p=='\t') p++;
901:
902: if(*p)
903: if(*p++ != ',') break;
904:
1.267 paf 905: ar += r;
906: }
1.101 paf 907: }
1.267 paf 908:
1.400 moko 909: struct Send_range_action_info {
910: Request *r;
911: uint64_t offset;
912: uint64_t part_length;
913: };
914:
915: static void send_range(struct stat& /*finfo*/, int f, const String& /*file_spec*/, void *context){
916: Send_range_action_info &info = *(Send_range_action_info*)context;
917:
1.430 moko 918: SAPI::send_headers(info.r->sapi_info);
1.400 moko 919: pa_lseek(f, info.offset, SEEK_SET);
920:
1.432 moko 921: char buf[FILE_BUFFER_SIZE];
1.400 moko 922: do{
1.432 moko 923: size_t to_read = info.part_length < FILE_BUFFER_SIZE ? (size_t)info.part_length : FILE_BUFFER_SIZE;
1.400 moko 924: size_t to_write = file_block_read(f, buf, to_read);
925:
926: if(to_write == 0)
927: break;
928:
929: size_t size = SAPI::send_body(info.r->sapi_info, buf, to_write);
930: if(size != to_write)
931: break;
932:
933: info.part_length -= to_write;
934: } while (info.part_length);
935: }
936:
1.396 moko 937: 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 938: SAPI::add_header_attribute(r.sapi_info, "accept-ranges", "bytes");
1.270 paf 939:
1.339 moko 940: const char *range = SAPI::Env::get(r.sapi_info, "HTTP_RANGE");
1.396 moko 941: uint64_t offset=0;
942: uint64_t part_length=content_length;
1.401 moko 943:
944: if(range && content_length){
1.267 paf 945: Array<Range> ar;
946: parse_range(new String(range), ar);
1.396 moko 947: int count = ar.count();
1.267 paf 948: if(count == 1){
949: Range &rg = ar.get_ref(0);
1.401 moko 950:
951: if(rg.start == UNSET && rg.end == UNSET)
952: return SAPI::send_error(r.sapi_info, "", "416");
953:
1.396 moko 954: if(rg.start == UNSET && rg.end != UNSET){
1.440 moko 955: if(rg.end == 0)
956: return SAPI::send_error(r.sapi_info, "", "416");
1.401 moko 957: if(rg.end > content_length)
958: rg.end = content_length;
1.404 moko 959: rg.start = content_length - rg.end;
960: rg.end = content_length-1;
1.401 moko 961: } else if(rg.start != UNSET && rg.end == UNSET){
962: if(rg.start >= content_length)
963: return SAPI::send_error(r.sapi_info, "", "416");
1.267 paf 964: rg.end = content_length-1;
1.401 moko 965: } else {
966: if(rg.start >= content_length || rg.start > rg.end)
967: return SAPI::send_error(r.sapi_info, "", "416");
968: if(rg.end >= content_length)
969: rg.end = content_length-1;
1.267 paf 970: }
1.401 moko 971:
972: offset = rg.start;
973: part_length = rg.end-rg.start+1;
974:
1.400 moko 975: char buf[MAX_STRING];
1.448 moko 976: snprintf(buf, MAX_STRING, "bytes %s-%s/%s", pa_uitoa(rg.start), pa_uitoa(rg.end), pa_uitoa(content_length));
1.401 moko 977: SAPI::add_header_attribute(r.sapi_info, HTTP_STATUS, "206");
1.315 misha 978: SAPI::add_header_attribute(r.sapi_info, "content-range", buf);
1.401 moko 979: } else {
1.410 moko 980: return SAPI::send_error(r.sapi_info, count ? "Multiple ranges are not supported" : "Invalid range", count ? "501" : "400");
1.267 paf 981: }
982: }
983:
1.428 moko 984: SAPI::add_header_attribute(r.sapi_info, HTTP_CONTENT_LENGTH, pa_uitoa(part_length));
1.267 paf 985:
1.314 misha 986: if(add_last_modified)
1.315 misha 987: SAPI::add_header_attribute(r.sapi_info, "last-modified", attributed_meaning_to_string(date, String::L_AS_IS, true).cstr());
1.314 misha 988:
1.414 moko 989: if(header_only){
1.430 moko 990: SAPI::send_headers(r.sapi_info);
1.414 moko 991: } else {
1.400 moko 992: Send_range_action_info info = { &r, offset, part_length};
993: file_read_action_under_lock(r.full_disk_path(filename), "send", send_range, &info);
1.267 paf 994: }
995: }
996:
1.248 paf 997: void Request::output_result(VFile* body_file, bool header_only, bool as_attachment) {
1.51 paf 998: // header: cookies
1.248 paf 999: cookie.output_result(sapi_info);
1.51 paf 1000:
1.394 moko 1001: // $.file and $.name (when body is real vfile)
1002: Value* vfile = body_file->fields().get(response_body_file_name);
1003: Value* vname = body_file->fields().get(name_name);
1004:
1005: const String* sfile = vfile ? &vfile->as_string() : NULL;
1006: const String* sname = vname ? &vname->as_string() : NULL;
1007:
1008: if(sname && *sname == NONAME_DAT)
1009: sname = NULL;
1.92 paf 1010:
1.409 moko 1011: // Content-Disposition, use $.name[<empty>] to avoid
1.394 moko 1012: const String* disposition_name = sname ? sname->is_empty() ? NULL : sname : sfile;
1013: if(disposition_name) {
1.420 moko 1014: String& filename = *new String(pa_filename(disposition_name->cstr()), String::L_URI);
1015: String& filename_asterisk = *new String(charsets.client().NAME(), String::L_CLEAN) << (*new String("''")) << filename;
1016:
1.394 moko 1017: VHash& hash=*new VHash();
1018: hash.hash().put(value_name, new VString(as_attachment ? content_disposition_attachment : content_disposition_inline));
1.420 moko 1019: hash.hash().put(content_disposition_filename_name, new VString(filename));
1020: hash.hash().put(content_disposition_filename_name_asterisk, new VString(filename_asterisk));
1.394 moko 1021: response.fields().put(content_disposition_name_upper, &hash);
1022: }
1.267 paf 1023:
1.394 moko 1024: // _file_ content-type might be specified
1025: Value* body_file_content_type = body_file->fields().get(content_type_name);
1026: if(!body_file_content_type){
1027: const String* scontent_name = sname && !sname->is_empty() ? sname : sfile;
1028: if(scontent_name)
1029: body_file_content_type = new VString(mime_type_of(scontent_name->cstr()));
1.267 paf 1030: }
1031:
1.312 misha 1032: // set Content-Type
1.314 misha 1033: if(body_file_content_type) {
1034: // body file content type
1.344 moko 1035: response.fields().put(content_type_name_upper, body_file_content_type);
1.314 misha 1036: } else {
1037: // default content type
1.344 moko 1038: response.fields().put_dont_replace(content_type_name_upper, new VString(*new String(DEFAULT_CONTENT_TYPE)));
1.314 misha 1039: }
1.312 misha 1040:
1.314 misha 1041: // prepare header: $response:fields without :body, :download and :charset
1.267 paf 1042: Add_header_attribute_info info(*this);
1.281 paf 1043: response.fields().for_each<Add_header_attribute_info*>(add_header_attribute, &info);
1.50 paf 1044:
1.394 moko 1045: if(sfile) {
1.314 misha 1046: // $response:[download|body][$.file[filespec]] -- optput specified file
1.367 moko 1047: uint64_t content_length=0;
1.267 paf 1048: time_t atime=0, mtime=0, ctime=0;
1.394 moko 1049: file_stat(full_disk_path(*sfile), content_length, atime, mtime, ctime);
1.267 paf 1050:
1051: VDate* vdate=0;
1052: if(Value* v=body_file->fields().get("mdate")) {
1.423 moko 1053: vdate=dynamic_cast<VDate*>(v);
1054: if(!vdate)
1.286 misha 1055: throw Exception(PARSER_RUNTIME, 0, "mdate must be a date");
1.267 paf 1056: }
1057: if(!vdate)
1.346 moko 1058: vdate=new VDate((pa_time_t)mtime);
1.62 paf 1059:
1.399 moko 1060: output_pieces(*this, header_only, *sfile, content_length, *vdate, info.add_last_modified);
1.267 paf 1061: } else {
1.314 misha 1062: if(body_file_content_type)
1063: if(HashStringValue *hash=body_file_content_type->get_hash())
1064: body_file_content_type=hash->get(value_name);
1065:
1.366 moko 1066: output_sole_piece(*this, header_only, *body_file, body_file_content_type);
1.267 paf 1067: }
1.50 paf 1068: }
1.104 paf 1069:
1.328 misha 1070: const String& Request::mime_type_of(const String* file_name) {
1071: return mime_type_of(file_name?file_name->taint_cstr(String::L_FILE_SPEC):0);
1072: }
1073:
1.248 paf 1074: const String& Request::mime_type_of(const char* user_file_name_cstr) {
1.104 paf 1075: if(mime_types)
1.248 paf 1076: if(const char* cext=strrchr(user_file_name_cstr, '.')) {
1077: String sext(++cext);
1.246 paf 1078: Table::Action_options options;
1.342 moko 1079: if(mime_types->locate(0, sext.change_case(charsets.source(), String::CC_LOWER), options)) {
1.313 misha 1080: if(const String* result=mime_types->item(1))
1081: return *result;
1.104 paf 1082: else
1.395 moko 1083: throw Exception(PARSER_RUNTIME, 0, MIME_TYPES_NAME " table column elements must not be empty");
1.342 moko 1084: }
1.104 paf 1085: }
1.248 paf 1086:
1087: return *new String("application/octet-stream");
1088: }
1089:
1.365 moko 1090: const String* Request::get_used_filespec(uint file_no){
1.318 misha 1091: if(file_no < file_list.count())
1092: return new String(file_list[file_no], String::L_TAINTED);
1093: return 0;
1094: }
1095:
1.248 paf 1096: #ifdef XML
1.280 paf 1097: xmlChar* Request::transcode(const String& s) {
1.248 paf 1098: return charsets.source().transcode(s);
1099: }
1100:
1.280 paf 1101: xmlChar* Request::transcode(const String::Body s) {
1.248 paf 1102: return charsets.source().transcode(s);
1103: }
1104:
1.280 paf 1105: const String& Request::transcode(const xmlChar* s) {
1.248 paf 1106: return charsets.source().transcode(s);
1.233 paf 1107: }
1.248 paf 1108: #endif
1109:
1.442 moko 1110: VException::VException(Request& r, const Exception& e):
1111: fexception(e), fhandled(&VBool::get(false)),
1.444 moko 1112: ftrace_bottom(r.exception_trace.bottom_index()), ftrace_top(r.exception_trace.top_index()),
1.442 moko 1113: origin(Operation::Origin::create(0, 0, 0)), problem_source(e.problem_source()) {
1114: Request::Exception_trace& exception_trace=r.exception_trace;
1.248 paf 1115:
1.349 moko 1116: if(!exception_trace.is_empty()) {
1.442 moko 1117: Request::Trace bottom=exception_trace.bottom_value();
1.350 moko 1118: origin=bottom.origin();
1.443 moko 1119: if(!problem_source) // we don't know who trigged the bug
1.350 moko 1120: problem_source=bottom.name(); // we usually know source of next-from-throw-point exception did that
1.248 paf 1121: }
1.442 moko 1122: if(origin.file_no)
1123: ffile=r.file_list[origin.file_no];
1124: }
1125:
1126: Value* VException::handled() {
1127: return fhash ? fhash->get(Symbols::HANDLED_SYMBOL) : fhandled;
1128: }
1.248 paf 1129:
1.444 moko 1130: Table& VException::stack(Request& r) {
1131: if(ftrace_top==size_t(-1))
1132: throw Exception(PARSER_RUNTIME, 0, "exception stack used outside of context");
1133: return r.exception_trace.table(r, problem_source, ftrace_bottom, ftrace_top);
1134: }
1135:
1.442 moko 1136: Value* VException::get_element(const String& name) {
1137: if(!fhash) {
1138: if(SYMBOLS_EQ(name,HANDLED_SYMBOL))
1139: return fhandled;
1140: if(SYMBOLS_EQ(name,TYPE_SYMBOL))
1141: return fexception.type(true) ? new VString(*new String(fexception.type())) : 0;
1142: if(SYMBOLS_EQ(name,SOURCE_SYMBOL))
1143: return problem_source ? new VString(*problem_source) : 0;
1144: if(SYMBOLS_EQ(name,COMMENT_SYMBOL))
1145: return fexception.comment(true) ? new VString(fexception.comment()) : 0;
1146: if(SYMBOLS_EQ(name,FILE_SYMBOL))
1147: return origin.file_no ? new VString(ffile) : 0;
1148: if(SYMBOLS_EQ(name,LINENO_SYMBOL))
1149: return origin.file_no ? new VInt(1+origin.line) : 0;
1150: if(SYMBOLS_EQ(name,COLNO_SYMBOL))
1151: return origin.file_no ? new VInt(1+origin.col) : 0;
1152: if(SYMBOLS_EQ(name,FIELDS_SYMBOL))
1153: return this;
1154: }
1155: // Computed field names need not be interned: use ordinary hash lookup.
1156: return VHashReference::get_element(name);
1157: }
1158:
1159: const VJunction* VException::put_element(const String& name, Value* value) {
1160: if(!fhash && SYMBOLS_EQ(name,HANDLED_SYMBOL)) {
1161: fhandled=value;
1162: return 0;
1163: }
1164: return VHashReference::put_element(name, value);
1165: }
1166:
1167: HashStringValue& VException::hash() {
1168: if(fhash)
1169: return *fhash;
1170: HashStringValue& result=*new HashStringValue;
1.248 paf 1171:
1.442 moko 1172: if(const char* type=fexception.type(true))
1173: result.put(Symbols::TYPE_SYMBOL, new VString(*new String(type)));
1.349 moko 1174: if(problem_source)
1.442 moko 1175: result.put(Symbols::SOURCE_SYMBOL, new VString(*problem_source));
1176: if(origin.file_no) {
1177: result.put(Symbols::FILE_SYMBOL, new VString(ffile));
1178: result.put(Symbols::LINENO_SYMBOL, new VInt(1+origin.line));
1179: result.put(Symbols::COLNO_SYMBOL, new VInt(1+origin.col));
1180: }
1181: if(const char* comment=fexception.comment(true))
1182: result.put(Symbols::COMMENT_SYMBOL, new VString(comment));
1183: result.put(Symbols::HANDLED_SYMBOL, fhandled);
1.248 paf 1184:
1.442 moko 1185: fhash=&result;
1186: return result;
1.133 parser 1187: }
1.337 moko 1188:
1189: Temp_value_element::Temp_value_element(Request& arequest, Value& awhere, const String& aname, Value* awhat) :
1190: frequest(arequest),
1191: fwhere(awhere),
1192: fname(aname),
1193: saved(awhere.get_element(aname))
1194: {
1195: Junction* junction;
1196: if(saved && (junction=saved->get_junction()) && junction->is_getter)
1197: saved=0;
1198: frequest.put_element(fwhere, aname, awhat);
1199: }
1200:
1201: Temp_value_element::~Temp_value_element() {
1202: frequest.put_element(fwhere, fname, saved ? saved : VVoid::get());
1203: }
E-mail:
![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to pa_request.C CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [parser3project] / parser3 / src / main