Annotation of parser3/src/main/pa_request.C, revision 1.460
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:
1.460 ! moko 39: volatile const char * IDENT_PA_REQUEST_C="$Id: pa_request.C,v 1.459 2026/10/10 02:01:15 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
1.460 ! moko 186: mime_types(0),
! 187: fheaders_sent(false)
1.157 parser 188: {
1.261 paf 189: pa_register_thread_request(*this);
190:
1.248 paf 191: // file_no=0 => unknown
1.434 moko 192: file_list+=String::Body("UNKNOWN");
193: file_list+=String::Body("-body of process-"); // pseudo_file_no__process
1.458 moko 194: #ifdef CODE_CACHE
195: Code_cache_manager::add_files(file_list);
196: #endif
1.186 paf 197:
1.178 paf 198: // maybe expire old caches
1.264 paf 199: cache_managers->maybe_expire();
1.178 paf 200:
1.157 parser 201: /// directly used
1.233 paf 202: // MAIN class, operators
1.353 moko 203: put_class(&main_class);
1.157 parser 204: // classes:
205: // table, file, random, mail, image, ...
1.248 paf 206: methoded_array().register_directly_used(*this);
1.157 parser 207:
208: /// methodless
1.354 moko 209:
1.157 parser 210: // env class
1.353 moko 211: put_class(new VEnv(asapi_info));
1.175 paf 212: // status class
1.353 moko 213: put_class(new VStatus());
1.157 parser 214: // request class
1.353 moko 215: put_class(new VRequest(arequest_info, charsets, form, asapi_info));
1.157 parser 216: // cookie class
1.353 moko 217: put_class(&cookie);
1.253 paf 218: // console class
1.353 moko 219: put_class(&console);
1.354 moko 220:
1.157 parser 221: /// methoded
1.354 moko 222:
1.157 parser 223: // response class
1.353 moko 224: put_class(&response);
1.157 parser 225: // form class
1.353 moko 226: put_class(&form);
1.213 paf 227: // mail class
1.353 moko 228: put_class(&mail);
1.157 parser 229: // math class
1.353 moko 230: put_class(new VMath);
1.248 paf 231: // memory class
1.353 moko 232: put_class(new VMemory);
1.117 paf 233: }
1.192 paf 234:
235: Request::~Request() {
236: #ifdef XML
237: // if for some strange reason xml generic errors failed to be reported, free them up
1.248 paf 238: if(const char* xml_generic_errors=xmlGenericErrors()) {
239: SAPI::log(sapi_info, "warning: unreported xmlGenericErrors: %s", xml_generic_errors);
1.341 moko 240: pa_free((void *)xml_generic_errors);
1.192 paf 241: }
242: #endif
243: }
1.236 paf 244:
1.248 paf 245: Value& Request::get_self() { return method_frame/*always have!*/->self(); }
1.192 paf 246:
1.355 moko 247: VStateless_class* Request::get_class(const String& name){
248: VStateless_class* result=classes().get(name);
1.313 misha 249: if(!result)
1.375 moko 250: if(const Method *method=main_class.get_element_method(autouse_method_name)){
1.364 moko 251: Value *vname=new VString(name);
252: CONSTRUCTOR_FRAME_ACTION(*method, 0 /*no parent*/, main_class, {
253: frame.store_params(&vname, 1);
254: // we don't need the result
255: call(frame);
256: });
257: result=classes().get(name);
258: }
1.309 misha 259: return result;
260: }
261:
1.411 moko 262: VStateless_class& Request::get_class_ref(const String& name){
263: VStateless_class* result=get_class(name);
264: if(!result)
265: throw Exception(PARSER_RUNTIME, &name, "class is undefined");
266: return *result;
267: }
268:
1.424 moko 269: bool Request::add_class(const char* atype, VStateless_class *aclass){
1.436 moko 270: if(!classes().put_dont_replace(String::Body(atype), aclass))
271: return true;
1.437 moko 272: if(!allow_class_replace && strcmp(atype, VARRAY_TYPE))
273: return false;
1.436 moko 274: classes().remove(String::Body(atype));
1.424 moko 275: classes().put(atype, aclass);
276: return true;
277: }
278:
1.356 moko 279: static void load_charset(HashStringValue::key_type akey, HashStringValue::value_type avalue, Request_charsets* charsets) {
1.359 moko 280: pa_charsets.load_charset(*charsets, akey, avalue->as_string());
1.208 paf 281: }
1.356 moko 282:
1.395 moko 283:
284: #define CONF_OPTION(config, name, code, exception_name) \
285: if(config) \
286: if(Value* option=config->get_element(name)) { \
287: if(option->is_evaluated_expr()) { \
288: code; \
289: } else \
1.415 moko 290: throw Exception(PARSER_RUNTIME, 0, "$MAIN:" exception_name, name.cstr()); \
1.395 moko 291: }
292:
1.248 paf 293: void Request::configure_admin(VStateless_class& conf_class) {
1.208 paf 294: if(configure_admin_done)
1.356 moko 295: throw Exception(PARSER_RUNTIME, 0, "parser already configured");
1.208 paf 296: configure_admin_done=true;
297:
1.227 paf 298: // charsets must only be specified in method_frame config
1.208 paf 299: // so that users would not interfere
300:
301: /* $MAIN:CHARSETS[
302: $.charsetname1[/full/path/to/charset/file.cfg]
303: ...
304: ]
305: */
1.308 misha 306: if(Value* vcharsets=conf_class.get_element(charsets_name)) {
1.342 moko 307: if(!vcharsets->is_string()) {
1.248 paf 308: if(HashStringValue* charsets=vcharsets->get_hash())
1.281 paf 309: charsets->for_each<Request_charsets*>(load_charset, &this->charsets);
1.240 paf 310: else
1.415 moko 311: throw Exception(PARSER_RUNTIME, 0, "$MAIN:%s must be hash", charsets_name.cstr());
1.342 moko 312: }
1.208 paf 313: }
314:
1.330 moko 315: #ifdef STRICT_VARS
1.332 moko 316: VVoid::strict_vars=false;
1.330 moko 317: if(Value* strict_vars=conf_class.get_element(strict_vars_name)) {
318: if(strict_vars->is_bool())
319: VVoid::strict_vars=strict_vars->as_bool();
1.357 moko 320: else
1.415 moko 321: throw Exception(PARSER_RUNTIME, 0, "$MAIN:%s must be bool", strict_vars_name.cstr());
1.357 moko 322: }
323: #endif
324:
325: #ifdef OBJECT_PROTOTYPE
326: VClass::prototype=true;
327: if(Value* prototype=conf_class.get_element(prototype_name)) {
328: if(prototype->is_bool())
329: VClass::prototype=prototype->as_bool();
330: else
1.415 moko 331: throw Exception(PARSER_RUNTIME, 0, "$MAIN:%s must be bool", prototype_name.cstr());
1.330 moko 332: }
333: #endif
334:
1.415 moko 335: #ifdef CLASS_GETTER_UNPROTECTED
336: VClass::getter_protected=true;
337: if(Value* getter_protected=conf_class.get_element(getter_protected_name)) {
338: if(getter_protected->is_bool())
339: VClass::getter_protected=getter_protected->as_bool();
340: else
341: throw Exception(PARSER_RUNTIME, 0, "$MAIN:%s must be bool", getter_protected_name.cstr());
342: }
343: #endif
344:
345: VStateless_class::gall_vars_local=false;
346: if(Value* locals=conf_class.get_element(locals_name)) {
347: if(locals->is_bool()){
348: VStateless_class::gall_vars_local=locals->as_bool();
349: main_class.set_all_vars_local();
350: } else
351: throw Exception(PARSER_RUNTIME, 0, "$MAIN:%s must be bool", locals_name.cstr());
352: }
353:
1.362 moko 354: Value* limits=conf_class.get_element(limits_name);
355:
1.361 moko 356: pa_loop_limit=LOOP_LIMIT;
1.395 moko 357: CONF_OPTION(limits, loop_limit_name, {
358: pa_loop_limit=option->as_int();
359: if(pa_loop_limit==0) pa_loop_limit=INT_MAX;
360: }, "LIMITS.%s must be int");
1.361 moko 361:
1.425 moko 362: pa_array_limit=ARRAY_LIMIT;
363: CONF_OPTION(limits, array_limit_name, {
364: pa_array_limit=option->as_int();
365: if(pa_array_limit==0) pa_array_limit=INT_MAX;
366: }, "LIMITS.%s must be int");
367:
1.427 moko 368: pa_execute_recursion_limit=EXECUTE_RECURSION_LIMIT;
369: CONF_OPTION(limits, recursion_limit_name, {
370: pa_execute_recursion_limit=option->as_int();
1.445 moko 371: if(pa_execute_recursion_limit<=0) pa_execute_recursion_limit=INT_MAX;
372: pa_execute_recursion_limit=min(pa_execute_recursion_limit, INT_MAX-EXECUTE_RECURSION_RESERVE);
1.395 moko 373: }, "LIMITS.%s must be int");
1.445 moko 374: execute_recursion_limit=pa_execute_recursion_limit;
1.390 moko 375:
1.369 moko 376: pa_file_size_limit=FILE_SIZE_LIMIT;
1.395 moko 377: CONF_OPTION(limits, file_size_limit_name, {
378: double limit=option->as_double();
379: if(limit >= (double)SSIZE_MAX)
1.448 moko 380: throw Exception(PARSER_RUNTIME, 0, "$MAIN:LIMITS.%s must be less than %s", file_size_limit_name.cstr(), pa_itoa(SSIZE_MAX));
1.395 moko 381: pa_file_size_limit=(size_t)limit;
382: if(pa_file_size_limit==0)
383: pa_file_size_limit=SSIZE_MAX;
384: }, "LIMITS.%s must be number");
1.361 moko 385:
1.372 moko 386: pa_lock_attempts=PA_LOCK_ATTEMPTS;
1.395 moko 387: CONF_OPTION(limits, lock_wait_timeout_name, {
388: double limit=option->as_double();
389: if(limit >= 3600*24)
1.426 moko 390: throw Exception(PARSER_RUNTIME, 0, "$MAIN:LIMITS.%s must be less than %d", lock_wait_timeout_name.cstr(), 3600*24);
1.395 moko 391: pa_lock_attempts=(unsigned int)(limit*2)+1;
392: }, "LIMITS.%s must be number");
393:
394: Value* httpd=conf_class.get_element(httpd_name);
395:
396: pa_httpd_timeout=HTTPD_TIMEOUT;
397: CONF_OPTION(httpd, httpd_timeout_name, {
398: pa_httpd_timeout=option->as_int();
399: if(pa_httpd_timeout==0) pa_httpd_timeout=INT_MAX;
400: }, "HTTPD.%s must be int");
1.372 moko 401:
1.403 moko 402: if(httpd)
403: if(Value* option=httpd->get_element( httpd_mode_name)) {
404: if(option->get_junction())
1.415 moko 405: throw Exception(PARSER_RUNTIME, 0, "$MAIN:HTTPD:mode must be string");
1.403 moko 406: HTTPD_Server::set_mode(option->as_string());
407: }
1.402 moko 408:
1.458 moko 409: #ifdef CODE_CACHE
410: CONF_OPTION(httpd, httpd_code_cache_name, {
411: Code_cache_manager::set_enabled(option->as_bool());
412: }, "HTTPD.%s must be bool");
413: #endif
414:
1.227 paf 415: // configure method_frame options
1.208 paf 416: // until someone with less privileges have overriden them
1.248 paf 417: methoded_array().configure_admin(*this);
1.208 paf 418: }
1.150 parser 419:
1.442 moko 420: const char* Request::get_exception_cstr(const Exception& e, VException& details) {
1.349 moko 421:
1.269 paf 422: #define PA_URI_FORMAT "%s: "
1.349 moko 423: #define PA_COMMENT_TYPE_FORMAT "%s [%s]"
424:
1.269 paf 425: #define PA_ORIGIN_FILE_POS_FORMAT "%s(%d:%d): "
426: #define PA_SOURCE_FORMAT "'%s' "
1.349 moko 427:
428: #define PA_ORIGIN_FILE_POS_VALUE file_list[details.origin.file_no].cstr(), 1+details.origin.line, 1+details.origin.col,
429: #define PA_SOURCE_VALUE details.problem_source->cstr(),
430:
431: #define EXCEPTION_CSTR(f1,v1,f2,v2) \
432: snprintf(result, MAX_STRING, \
433: PA_URI_FORMAT \
434: f1 f2 \
435: PA_COMMENT_TYPE_FORMAT, \
436: request_info.uri, \
437: v1 v2 \
438: e.comment(), e.type() \
439: );
440:
1.269 paf 441: char* result=new(PointerFreeGC) char[MAX_STRING];
442:
443: if(details.problem_source) { // do we know the guy?
1.349 moko 444: if(details.origin.file_no) // do whe know where he came from?
445: EXCEPTION_CSTR(PA_ORIGIN_FILE_POS_FORMAT, PA_ORIGIN_FILE_POS_VALUE, PA_SOURCE_FORMAT, PA_SOURCE_VALUE)
446: else
447: EXCEPTION_CSTR(PA_SOURCE_FORMAT, PA_SOURCE_VALUE,,)
448: } else {
449: if(details.origin.file_no) // do whe know where he came from?
450: EXCEPTION_CSTR(PA_ORIGIN_FILE_POS_FORMAT, PA_ORIGIN_FILE_POS_VALUE,,)
451: else
452: EXCEPTION_CSTR(,,,)
453: }
1.269 paf 454:
455: return result;
456: }
1.272 paf 457:
1.444 moko 458: Table &Request::Exception_trace::table(Request &r, const String* problem_source, size_t bottom, size_t top){
1.407 moko 459: // $stack[^table::create{name file lineno colno}]
460: Table::columns_type stack_trace_columns(new ArrayString);
461: *stack_trace_columns+=new String("name");
462: *stack_trace_columns+=new String("file");
463: *stack_trace_columns+=new String("lineno");
464: *stack_trace_columns+=new String("colno");
465: Table& stack_trace=*new Table(stack_trace_columns);
466:
1.444 moko 467: if(bottom<top)
468: for(size_t i=bottom+(get(bottom).name()==problem_source); i<top; i++) {
1.407 moko 469: Trace trace=get(i);
470: Table::element_type row(new ArrayString);
471:
472: *row+=trace.name(); // name column
473: Operation::Origin origin=trace.origin();
474: if(origin.file_no) {
475: *row+=new String(r.file_list[origin.file_no], String::L_TAINTED); // 'file' column
1.422 moko 476: *row+=new String(pa_uitoa(1+origin.line), String::L_CLEAN); // 'lineno' column
477: *row+=new String(pa_uitoa(1+origin.col), String::L_CLEAN); // 'colno' column
1.407 moko 478: }
479: stack_trace+=row;
480: }
481:
482: return stack_trace;
483: }
484:
1.272 paf 485: void Request::configure() {
486: // configure admin options if not configured yet
487: if(!configure_admin_done)
488: configure_admin(main_class);
489:
490: // $MAIN:MIME-TYPES
1.308 misha 491: if(Value* element=main_class.get_element(mime_types_name))
1.272 paf 492: if(Table *table=element->get_table())
1.395 moko 493: mime_types=table;
1.272 paf 494: }
1.408 moko 495:
1.459 moko 496: /// HEAD request: only the headers are sent
497: static bool is_header_only(Request_info& info) {
498: return info.method && strcasecmp(info.method, "HEAD")==0;
499: }
500:
1.64 paf 501: /**
502: load MAIN class, execute @main.
503: MAIN class consists of all the auto.p files we'd manage to find
504: plus
505: the file user requested us to process
506: all located classes become children of one another,
507: composing class we name 'MAIN'
1.180 paf 508:
509: @test log stack trace
510:
1.64 paf 511: */
1.459 moko 512: void Request::core(const char* config_filespec, const String &amain_method_name, const String* amain_class_name) {
513: bool header_only=is_header_only(request_info);
1.169 parser 514: try {
1.211 paf 515: // loading config
1.384 moko 516: if(config_filespec)
1.454 moko 517: use_file_directly(*new String(backslashes_to_slashes(config_filespec)));
1.8 paf 518:
1.338 moko 519: // filling mail received
520: mail.fill_received(*this);
521:
1.272 paf 522: try {
523: // compile requested file
1.389 moko 524: if(request_info.path_translated)
525: use_file_directly(*new String(request_info.path_translated, String::L_TAINTED), true, true /* load auto.p files */);
1.272 paf 526: configure();
527: } catch(...) {
528: configure(); // configure anyway, useful in @unhandled_exception [say, if they would want to mail by SMTP something]
529: rethrow;
530: }
1.25 paf 531:
1.412 moko 532: VStateless_class& main = amain_class_name ? get_class_ref(*amain_class_name) : main_class;
1.25 paf 533: // execute @main[]
1.412 moko 534: const String* body_string=amain_method_name.is_empty() ? &String::Empty : execute_method(main, amain_method_name);
1.41 paf 535: if(!body_string)
1.412 moko 536: throw Exception(PARSER_RUNTIME, &amain_method_name, "method not found in class %s", main.type());
1.79 paf 537:
1.460 ! moko 538: // ^response:send[] was used: only its parts are sent
! 539: if(fheaders_sent)
! 540: return;
! 541:
1.250 paf 542: // extract response body
1.344 moko 543: Value* body_value=response.fields().get(download_name_upper); // $response:download?
1.430 moko 544: bool as_attachment=body_value!=0;
1.250 paf 545: if(!body_value)
1.344 moko 546: body_value=response.fields().get(body_name_upper); // $response:body
1.250 paf 547: if(!body_value)
548: body_value=new VString(*body_string); // just result of ^main[]
549:
1.119 paf 550: // @postprocess
1.383 moko 551: if(const Method *method=main_class.get_method(post_process_method_name)) {
552: METHOD_FRAME_ACTION(*method, 0 /*no parent*/, main_class, {
553: frame.store_params(&body_value, 1);
554: call(frame);
555: body_value=&frame.result();
556: });
557: }
1.90 paf 558:
1.430 moko 559: // can throw exceptions while handling $response:download[]
560: output_result(body_value->as_vfile(flang, &charsets), header_only, as_attachment);
1.171 parser 561: } catch(const Exception& e) { // request handling problem
1.258 paf 562:
1.445 moko 563: // OK, as native execution stack has unwound
564: anti_endless_execute_recursion=0;
565:
1.431 moko 566: // we're returning not result, but error explanation
1.442 moko 567: VException& details=*new VException(*this, e);
1.431 moko 568: const char* exception_cstr=get_exception_cstr(e, details);
569:
570: // reset language to default
571: flang=fdefault_lang;
572: // reset response
573: response.fields().clear();
574: SAPI::clear_headers(sapi_info);
1.407 moko 575:
1.431 moko 576: // this is what we'd return in $response:body
577: const String* body_string=0;
1.407 moko 578:
1.431 moko 579: try {
1.407 moko 580: // maybe we'd be lucky enough as to report an error in a gracefull way...
581: if(const Method *method=main_class.get_method(*new String(UNHANDLED_EXCEPTION_METHOD_NAME))) {
582: // preparing parameters to @unhandled_exception[exception;stack]
583:
1.443 moko 584: Table& stack_trace=exception_trace.table(*this, details.problem_source);
1.444 moko 585: details.expire_trace();
1.407 moko 586: 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)
587:
1.442 moko 588: Value *params[]={&details, new VTable(&stack_trace)};
1.407 moko 589: METHOD_FRAME_ACTION(*method, 0 /*no caller*/, main_class, {
590: frame.store_params(params, 2);
591: call(frame);
592: body_string=&frame.result().as_string();
593: });
594: }
1.383 moko 595:
1.407 moko 596: // conditionally log it
1.442 moko 597: Value* vhandled=details.handled();
1.407 moko 598: if(!vhandled || !vhandled->as_bool()) {
599: SAPI::log(sapi_info, "%s", exception_cstr);
600: }
1.431 moko 601: } catch(const Exception& e) { // exception in @unhandled_exception
1.442 moko 602: VException& details=*new VException(*this, e);
1.431 moko 603: // logging both initial and new exceptions
604: SAPI::log(sapi_info, "%s", exception_cstr);
605: SAPI::log(sapi_info, "Exception in @unhandled_exception at %s", get_exception_cstr(e, details));
1.460 ! moko 606: if(!fheaders_sent)
! 607: SAPI::send_error(sapi_info, "Exception in @unhandled_exception, details are available in Parser error log.");
1.431 moko 608: return;
609: }
1.383 moko 610:
1.431 moko 611: if(body_string) { // could report an error beautifully?
612: VString body_vstring(*body_string);
613: output_result(body_vstring.as_vfile(flang, &charsets), header_only, false);
1.460 ! moko 614: } else if(!fheaders_sent) {
1.431 moko 615: // doing that ugly
616: SAPI::send_error(sapi_info, exception_cstr, strcmp(e.type(), "file.missing") ? "500" : "404");
1.268 paf 617: }
1.1 paf 618: }
619: }
620:
1.266 paf 621: uint Request::register_file(String::Body file_spec) {
1.248 paf 622: file_list+=file_spec;
623: return file_list.count()-1;
624: }
625:
1.387 moko 626: void Request::use_file_directly(const String& file_spec, bool fail_on_file_absence, bool with_auto_p) {
1.73 paf 627: // cyclic dependence check
1.318 misha 628: if(used_files.get(file_spec))
1.248 paf 629: return;
1.318 misha 630: used_files.put(file_spec, true);
631:
1.385 moko 632: if(!fail_on_file_absence && !entry_exists(file_spec)) // ignore file absence if asked for
633: return;
1.318 misha 634:
1.386 moko 635: if(with_auto_p) {
1.454 moko 636: // loading auto.p files from document_root/..
1.386 moko 637: // to the one beside requested file.
638: // all assigned bases from upper dir
639: const char* target=file_spec.cstr();
640:
641: // all relative paths are calculated from main document
642: request_info.path_translated=target;
643:
644: const char* after=target;
1.454 moko 645: size_t drlen=strlen(request_info.document_root_path);
1.457 moko 646: if(path_cmp(after, request_info.document_root_path, drlen)==0)
1.454 moko 647: after+=drlen; // to start from document_root/auto.p
1.386 moko 648:
649: while(const char* before=strchr(after, '/')) {
650: String& sfile_spec=*new String;
651: if(after!=target) {
652: sfile_spec.append_strdup(target, before-target, String::L_CLEAN);
653: sfile_spec << "/" AUTO_FILE_NAME;
654:
1.387 moko 655: use_file_directly(sfile_spec, false /*ignore absence, sole user*/);
1.386 moko 656: }
657: for(after=before+1;*after=='/';after++);
658: }
659: }
660:
1.458 moko 661: Code_cache* code=0;
662: #ifdef CODE_CACHE
663: if(Code_cache* cached=Code_cache_manager::get(file_spec)) {
664: use_buf(main_class, 0, 0, cached->file_no, 0, cached);
665: return;
666: }
667: // to record the compilation; only while the httpd config runs
668: code=Code_cache_manager::create(file_spec);
669: #endif
670:
1.385 moko 671: if(const char* source=file_read_text(charsets, file_spec, true))
1.458 moko 672: use_buf(main_class, source, 0, register_file(file_spec), 0, code);
1.318 misha 673: }
674:
675:
1.454 moko 676: void Request::use_file(const String& afile_name, const String* use_filespec/*absolute*/, bool with_auto_p) {
677: if(afile_name.is_empty())
1.366 moko 678: throw Exception(PARSER_RUNTIME, 0, "usage failed - no filename was specified");
1.326 misha 679:
1.318 misha 680: const String* filespec=0;
1.454 moko 681: const String& file_name=backslashes_to_slashes(afile_name);
1.318 misha 682:
1.454 moko 683: 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
684: filespec=&full_disk_path(afile_name);
1.318 misha 685: else if(use_filespec){ // search in current dir first
1.454 moko 686: size_t last_slash_pos=use_filespec->strrchr('/');
1.331 misha 687: if(last_slash_pos!=STRING_NOT_FOUND)
688: filespec=file_exist(use_filespec->mid(0, last_slash_pos), file_name); // found in current dir?
1.318 misha 689: }
690:
691: if(!filespec){
692: // prevent multiple scan CLASS_PATH for searching one file
693: if(searched_along_class_path.get(file_name))
694: return;
695: searched_along_class_path.put(file_name, true);
1.308 misha 696: if(Value* element=main_class.get_element(class_path_name)) {
1.233 paf 697: if(element->is_string()) {
1.388 moko 698: filespec=file_exist(full_disk_path(element->as_string()), file_name); // found at class_path?
1.233 paf 699: } else if(Table *table=element->get_table()) {
1.318 misha 700: for(size_t i=table->count(); i--; ) {
1.248 paf 701: const String& path=*(*table->get(i))[0];
1.388 moko 702: if(filespec=file_exist(full_disk_path(path), file_name))
1.233 paf 703: break; // found along class_path
704: }
705: } else
1.366 moko 706: throw Exception(PARSER_RUNTIME, 0, "$" CLASS_PATH_NAME " must be string or table");
1.318 misha 707: if(!filespec)
1.415 moko 708: throw Exception(PARSER_RUNTIME, &file_name, "not found along $MAIN:" CLASS_PATH_NAME);
1.318 misha 709: } else
1.415 moko 710: throw Exception(PARSER_RUNTIME, &file_name, "usage failed - no $MAIN:" CLASS_PATH_NAME " were specified");
1.148 parser 711: }
1.230 paf 712:
1.387 moko 713: use_file_directly(*filespec, true, with_auto_p);
1.16 paf 714: }
715:
1.364 moko 716: void Request::use_file(const String& file_name, const String* use_filespec/*absolute*/, Operation::Origin origin) {
1.349 moko 717: static String use("USE");
718: try {
1.364 moko 719: static VHash* voptions=new VHash();
1.376 moko 720: if(const Method *method=main_class.get_method(use_method_name)){
1.364 moko 721: Value *params[]={new VString(file_name), voptions};
722: voptions->hash().put(origin_key, new VString(*use_filespec));
723:
724: CONSTRUCTOR_FRAME_ACTION(*method, 0 /*no parent*/, main_class, {
725: frame.store_params(params, 2);
726: // we don't need the result
727: call(frame);
728: });
729: }
1.349 moko 730: } catch (...) {
731: exception_trace.push(Trace(&use, origin));
732: rethrow;
733: }
734: }
1.208 paf 735:
1.458 moko 736: 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 737: // temporary zero @conf to avoid it second execution
1.248 paf 738: Temp_method temp_method_conf(aclass, conf_method_name, 0);
1.358 moko 739: // temporary zero @auto to avoid it second execution
1.248 paf 740: Temp_method temp_method_auto(aclass, auto_method_name, 0);
1.233 paf 741:
1.295 misha 742: // compile loaded classes
1.458 moko 743: ArrayClass& cclasses=
744: #ifdef CODE_CACHE
745: !source ? code->replay(*this, aclass) :
746: #endif
747: compile(&aclass, source, main_alias, file_no, line_no_offset, code);
1.212 paf 748:
1.248 paf 749: VString* vfilespec=
1.435 moko 750: new VString(file_list[file_no]);
1.295 misha 751:
752: for(size_t i=0; i<cclasses.count(); i++){
753: VStateless_class& cclass=*cclasses.get(i);
1.296 misha 754:
755: // locate and execute possible @conf[] static
1.382 moko 756: if(execute_method_if_exists(cclass, conf_method_name, vfilespec))
1.295 misha 757: configure_admin(cclass/*, executed.method->name*/);
758:
759: // locate and execute possible @auto[] static
1.419 moko 760: execute_auto_method_if_exists(cclass, auto_method_name, vfilespec);
1.336 moko 761:
762: cclass.enable_default_setter();
1.295 misha 763: }
1.19 paf 764: }
765:
1.248 paf 766: const String& Request::relative(const char* apath, const String& relative_name) {
1.452 moko 767: // apath is a URI or a path already normalized by the target, always slash separated
1.341 moko 768: char *hpath=pa_strdup(apath);
1.248 paf 769: String& result=*new String;
770: if(rsplit(hpath, '/')) // if something/splitted
1.217 paf 771: result << hpath << "/";
1.248 paf 772: result << relative_name;
773: return result;
1.19 paf 774: }
775:
1.454 moko 776: void Request_info::set_document_root(const char* adocument_root) {
777: document_root=adocument_root;
778: char* path=backslashes_to_slashes(adocument_root);
779: if(path) {
780: size_t length=strlen(path);
781: while(length && path[length-1]=='/')
782: path[--length]=0;
783: }
784: document_root_path=path;
785: }
786:
1.453 moko 787: const String& Request::full_disk_path(const String& relative_name, uint allowed) {
1.454 moko 788: if(relative_name.first_char()!='/') {
789: if(uint scheme=path_scheme(relative_name)) {
790: check_path_scheme(scheme, relative_name, allowed);
791: if(scheme!=PA_SCHEME_FILE)
792: return relative_name; // an allowed uri is passed through
793: if(const String* path=file_uri_to_path(relative_name))
794: return backslashes_to_slashes(*path);
1.455 moko 795: #ifdef WIN32
796: throw Exception(PARSER_RUNTIME, &relative_name, "must be file:///path, file://localhost/path or file://server/share/path");
797: #else
1.454 moko 798: throw Exception(PARSER_RUNTIME, &relative_name, "must be file:///path or file://localhost/path");
1.455 moko 799: #endif
1.454 moko 800: }
801: // before '\' becomes '/', to avoid mixing the UNC path \\server with web path //server
802: if(is_os_absolute_path(relative_name))
803: return backslashes_to_slashes(relative_name);
1.453 moko 804: }
1.389 moko 805:
1.454 moko 806: const String& path=backslashes_to_slashes(relative_name);
807: if(path.first_char()!='/')
808: return relative(request_info.path_translated ? request_info.path_translated : pa_strcat(request_info.document_root_path, "/"), path);
809:
810: String& result=*new String(request_info.document_root_path);
811: result << path;
812: return result;
1.1 paf 813: }
1.45 paf 814:
1.453 moko 815: const String* Request::real_disk_path(const String& name) {
816: switch(path_scheme(name)) {
817: case PA_SCHEME_NONE: return &full_disk_path(name);
1.454 moko 818: case PA_SCHEME_FILE: {
1.456 moko 819: const String* path=clean_path_scheme(PA_SCHEME_FILE, name) ? file_uri_to_path(name) : 0;
1.454 moko 820: return path ? &backslashes_to_slashes(*path) : 0;
821: }
1.453 moko 822: default: return 0; // not a disk path
823: }
824: }
825:
1.267 paf 826: #ifndef DOXYGEN
827: class Add_header_attribute_info
828: {
829: public:
830: Add_header_attribute_info(Request& ar) : r(ar), add_last_modified(true) {}
831: Request& r;
832: bool add_last_modified;
833: };
834: #endif
1.344 moko 835: static void add_header_attribute(HashStringValue::key_type name, HashStringValue::value_type value, Add_header_attribute_info* info) {
836: if(name==BODY_NAME_UPPER || name==DOWNLOAD_NAME_UPPER || name==CHARSET_NAME_UPPER)
1.101 paf 837: return;
1.290 misha 838:
1.345 moko 839: if(name==LAST_MODIFIED_NAME_UPPER)
840: info->add_last_modified=false;
841:
1.316 misha 842: const char* aname=String(name, String::L_URI).untaint_and_transcode_cstr(String::L_URI, &info->r.charsets);
1.101 paf 843:
1.267 paf 844: SAPI::add_header_attribute(info->r.sapi_info,
1.345 moko 845: aname,
1.316 misha 846: attributed_meaning_to_string(*value, String::L_URI, false).untaint_and_transcode_cstr(String::L_URI, &info->r.charsets)
1.303 misha 847: );
1.267 paf 848: }
849:
1.366 moko 850: static void output_sole_piece(Request& r, bool header_only, VFile& body_file, Value* body_file_content_type) {
1.267 paf 851: // transcode text body when "text/*" or simple result
852: String::C output(body_file.value_ptr(), body_file.value_size());
853: if(!body_file_content_type/*vstring.as_vfile*/ || body_file_content_type->as_string().pos("text/")==0)
1.366 moko 854: output=Charset::transcode(output, r.charsets.source(), r.charsets.client());
1.267 paf 855:
1.311 misha 856: // prepare header: Content-Length
1.428 moko 857: SAPI::add_header_attribute(r.sapi_info, HTTP_CONTENT_LENGTH, pa_uitoa(output.length));
1.267 paf 858:
859: // send header
1.430 moko 860: SAPI::send_headers(r.sapi_info);
1.267 paf 861:
862: // send body
863: if(!header_only)
864: SAPI::send_body(r.sapi_info, output.str, output.length);
865: }
866:
867: #ifndef DOXYGEN
868: struct Range
869: {
1.396 moko 870: uint64_t start;
871: uint64_t end;
1.267 paf 872: };
873: #endif
1.396 moko 874:
875: #define UNSET ((uint64_t)-1)
876:
1.313 misha 877: static void parse_range(const String* s, Array<Range> &ar) {
1.267 paf 878: const char *p = s->cstr();
879: if(s->starts_with("bytes="))
880: p += 6;
881: Range r;
882: while(*p){
1.396 moko 883: r.start = UNSET;
884: r.end = UNSET;
1.401 moko 885:
886: while(*p==' ' || *p=='\t') p++;
887:
1.267 paf 888: if(*p >= '0' && *p <= '9'){
1.416 moko 889: const char *n=p;
1.401 moko 890: while(*p>='0' && *p<='9') p++;
1.440 moko 891: r.start = pa_atoul(pa_strdup(n, p-n)); // ((uint64_t)-1) is treated as UNSET
1.267 paf 892: }
1.401 moko 893:
894: while(*p==' ' || *p=='\t') p++;
895:
1.267 paf 896: if(*p++ != '-') break;
1.401 moko 897:
898: while(*p==' ' || *p=='\t') p++;
899:
1.267 paf 900: if(*p >= '0' && *p <= '9'){
1.416 moko 901: const char *n=p;
1.401 moko 902: while(*p>='0' && *p<='9') p++;
1.440 moko 903: r.end = pa_atoul(pa_strdup(n, p-n)); // ((uint64_t)-1) is treated as UNSET
1.267 paf 904: }
1.401 moko 905:
906: while(*p==' ' || *p=='\t') p++;
907:
908: if(*p)
909: if(*p++ != ',') break;
910:
1.267 paf 911: ar += r;
912: }
1.101 paf 913: }
1.267 paf 914:
1.400 moko 915: struct Send_range_action_info {
916: Request *r;
917: uint64_t offset;
918: uint64_t part_length;
919: };
920:
921: static void send_range(struct stat& /*finfo*/, int f, const String& /*file_spec*/, void *context){
922: Send_range_action_info &info = *(Send_range_action_info*)context;
923:
1.430 moko 924: SAPI::send_headers(info.r->sapi_info);
1.400 moko 925: pa_lseek(f, info.offset, SEEK_SET);
926:
1.432 moko 927: char buf[FILE_BUFFER_SIZE];
1.400 moko 928: do{
1.432 moko 929: size_t to_read = info.part_length < FILE_BUFFER_SIZE ? (size_t)info.part_length : FILE_BUFFER_SIZE;
1.400 moko 930: size_t to_write = file_block_read(f, buf, to_read);
931:
932: if(to_write == 0)
933: break;
934:
935: size_t size = SAPI::send_body(info.r->sapi_info, buf, to_write);
936: if(size != to_write)
937: break;
938:
939: info.part_length -= to_write;
940: } while (info.part_length);
941: }
942:
1.396 moko 943: 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 944: SAPI::add_header_attribute(r.sapi_info, "accept-ranges", "bytes");
1.270 paf 945:
1.339 moko 946: const char *range = SAPI::Env::get(r.sapi_info, "HTTP_RANGE");
1.396 moko 947: uint64_t offset=0;
948: uint64_t part_length=content_length;
1.401 moko 949:
950: if(range && content_length){
1.267 paf 951: Array<Range> ar;
952: parse_range(new String(range), ar);
1.396 moko 953: int count = ar.count();
1.267 paf 954: if(count == 1){
955: Range &rg = ar.get_ref(0);
1.401 moko 956:
957: if(rg.start == UNSET && rg.end == UNSET)
958: return SAPI::send_error(r.sapi_info, "", "416");
959:
1.396 moko 960: if(rg.start == UNSET && rg.end != UNSET){
1.440 moko 961: if(rg.end == 0)
962: return SAPI::send_error(r.sapi_info, "", "416");
1.401 moko 963: if(rg.end > content_length)
964: rg.end = content_length;
1.404 moko 965: rg.start = content_length - rg.end;
966: rg.end = content_length-1;
1.401 moko 967: } else if(rg.start != UNSET && rg.end == UNSET){
968: if(rg.start >= content_length)
969: return SAPI::send_error(r.sapi_info, "", "416");
1.267 paf 970: rg.end = content_length-1;
1.401 moko 971: } else {
972: if(rg.start >= content_length || rg.start > rg.end)
973: return SAPI::send_error(r.sapi_info, "", "416");
974: if(rg.end >= content_length)
975: rg.end = content_length-1;
1.267 paf 976: }
1.401 moko 977:
978: offset = rg.start;
979: part_length = rg.end-rg.start+1;
980:
1.400 moko 981: char buf[MAX_STRING];
1.448 moko 982: snprintf(buf, MAX_STRING, "bytes %s-%s/%s", pa_uitoa(rg.start), pa_uitoa(rg.end), pa_uitoa(content_length));
1.401 moko 983: SAPI::add_header_attribute(r.sapi_info, HTTP_STATUS, "206");
1.315 misha 984: SAPI::add_header_attribute(r.sapi_info, "content-range", buf);
1.401 moko 985: } else {
1.410 moko 986: return SAPI::send_error(r.sapi_info, count ? "Multiple ranges are not supported" : "Invalid range", count ? "501" : "400");
1.267 paf 987: }
988: }
989:
1.428 moko 990: SAPI::add_header_attribute(r.sapi_info, HTTP_CONTENT_LENGTH, pa_uitoa(part_length));
1.267 paf 991:
1.314 misha 992: if(add_last_modified)
1.315 misha 993: SAPI::add_header_attribute(r.sapi_info, "last-modified", attributed_meaning_to_string(date, String::L_AS_IS, true).cstr());
1.314 misha 994:
1.414 moko 995: if(header_only){
1.430 moko 996: SAPI::send_headers(r.sapi_info);
1.414 moko 997: } else {
1.400 moko 998: Send_range_action_info info = { &r, offset, part_length};
999: file_read_action_under_lock(r.full_disk_path(filename), "send", send_range, &info);
1.267 paf 1000: }
1001: }
1002:
1.248 paf 1003: void Request::output_result(VFile* body_file, bool header_only, bool as_attachment) {
1.460 ! moko 1004: if(fheaders_sent)
! 1005: return;
! 1006:
1.51 paf 1007: // header: cookies
1.248 paf 1008: cookie.output_result(sapi_info);
1.51 paf 1009:
1.394 moko 1010: // $.file and $.name (when body is real vfile)
1011: Value* vfile = body_file->fields().get(response_body_file_name);
1012: Value* vname = body_file->fields().get(name_name);
1013:
1014: const String* sfile = vfile ? &vfile->as_string() : NULL;
1015: const String* sname = vname ? &vname->as_string() : NULL;
1016:
1017: if(sname && *sname == NONAME_DAT)
1018: sname = NULL;
1.92 paf 1019:
1.409 moko 1020: // Content-Disposition, use $.name[<empty>] to avoid
1.394 moko 1021: const String* disposition_name = sname ? sname->is_empty() ? NULL : sname : sfile;
1022: if(disposition_name) {
1.420 moko 1023: String& filename = *new String(pa_filename(disposition_name->cstr()), String::L_URI);
1024: String& filename_asterisk = *new String(charsets.client().NAME(), String::L_CLEAN) << (*new String("''")) << filename;
1025:
1.394 moko 1026: VHash& hash=*new VHash();
1027: hash.hash().put(value_name, new VString(as_attachment ? content_disposition_attachment : content_disposition_inline));
1.420 moko 1028: hash.hash().put(content_disposition_filename_name, new VString(filename));
1029: hash.hash().put(content_disposition_filename_name_asterisk, new VString(filename_asterisk));
1.394 moko 1030: response.fields().put(content_disposition_name_upper, &hash);
1031: }
1.267 paf 1032:
1.394 moko 1033: // _file_ content-type might be specified
1034: Value* body_file_content_type = body_file->fields().get(content_type_name);
1035: if(!body_file_content_type){
1036: const String* scontent_name = sname && !sname->is_empty() ? sname : sfile;
1037: if(scontent_name)
1038: body_file_content_type = new VString(mime_type_of(scontent_name->cstr()));
1.267 paf 1039: }
1040:
1.312 misha 1041: // set Content-Type
1.314 misha 1042: if(body_file_content_type) {
1043: // body file content type
1.344 moko 1044: response.fields().put(content_type_name_upper, body_file_content_type);
1.314 misha 1045: } else {
1046: // default content type
1.344 moko 1047: response.fields().put_dont_replace(content_type_name_upper, new VString(*new String(DEFAULT_CONTENT_TYPE)));
1.314 misha 1048: }
1.312 misha 1049:
1.314 misha 1050: // prepare header: $response:fields without :body, :download and :charset
1.267 paf 1051: Add_header_attribute_info info(*this);
1.281 paf 1052: response.fields().for_each<Add_header_attribute_info*>(add_header_attribute, &info);
1.50 paf 1053:
1.394 moko 1054: if(sfile) {
1.314 misha 1055: // $response:[download|body][$.file[filespec]] -- optput specified file
1.367 moko 1056: uint64_t content_length=0;
1.267 paf 1057: time_t atime=0, mtime=0, ctime=0;
1.394 moko 1058: file_stat(full_disk_path(*sfile), content_length, atime, mtime, ctime);
1.267 paf 1059:
1060: VDate* vdate=0;
1061: if(Value* v=body_file->fields().get("mdate")) {
1.423 moko 1062: vdate=dynamic_cast<VDate*>(v);
1063: if(!vdate)
1.286 misha 1064: throw Exception(PARSER_RUNTIME, 0, "mdate must be a date");
1.267 paf 1065: }
1066: if(!vdate)
1.346 moko 1067: vdate=new VDate((pa_time_t)mtime);
1.62 paf 1068:
1.399 moko 1069: output_pieces(*this, header_only, *sfile, content_length, *vdate, info.add_last_modified);
1.267 paf 1070: } else {
1.314 misha 1071: if(body_file_content_type)
1072: if(HashStringValue *hash=body_file_content_type->get_hash())
1073: body_file_content_type=hash->get(value_name);
1074:
1.366 moko 1075: output_sole_piece(*this, header_only, *body_file, body_file_content_type);
1.267 paf 1076: }
1.50 paf 1077: }
1.104 paf 1078:
1.460 ! moko 1079: void Request::send(Value& part) {
! 1080: // converted before the headers: a stat-ed file throws here
! 1081: VFile* file=dynamic_cast<VFile*>(&part);
! 1082: String::C output=file ? String::C(file->value_ptr(), file->value_size()) : String::C(part.get_string()->cstr_to_string_body_untaint(flang, 0, &charsets));
! 1083: if(!file || file->is_text_mode())
! 1084: output=Charset::transcode(output, charsets.source(), charsets.client());
! 1085:
! 1086: if(!fheaders_sent) {
! 1087: fheaders_sent=true;
! 1088: // the headers: cookies and $response:fields, without Content-Length
! 1089: cookie.output_result(sapi_info);
! 1090: response.fields().put_dont_replace(content_type_name_upper, new VString(*new String(DEFAULT_CONTENT_TYPE)));
! 1091: Add_header_attribute_info info(*this);
! 1092: response.fields().for_each<Add_header_attribute_info*>(add_header_attribute, &info);
! 1093: SAPI::send_headers(sapi_info);
! 1094: }
! 1095:
! 1096: if(!is_header_only(request_info))
! 1097: SAPI::send_body(sapi_info, output.str, output.length);
! 1098: }
! 1099:
1.328 misha 1100: const String& Request::mime_type_of(const String* file_name) {
1101: return mime_type_of(file_name?file_name->taint_cstr(String::L_FILE_SPEC):0);
1102: }
1103:
1.248 paf 1104: const String& Request::mime_type_of(const char* user_file_name_cstr) {
1.104 paf 1105: if(mime_types)
1.248 paf 1106: if(const char* cext=strrchr(user_file_name_cstr, '.')) {
1107: String sext(++cext);
1.246 paf 1108: Table::Action_options options;
1.342 moko 1109: if(mime_types->locate(0, sext.change_case(charsets.source(), String::CC_LOWER), options)) {
1.313 misha 1110: if(const String* result=mime_types->item(1))
1111: return *result;
1.104 paf 1112: else
1.395 moko 1113: throw Exception(PARSER_RUNTIME, 0, MIME_TYPES_NAME " table column elements must not be empty");
1.342 moko 1114: }
1.104 paf 1115: }
1.248 paf 1116:
1117: return *new String("application/octet-stream");
1118: }
1119:
1.365 moko 1120: const String* Request::get_used_filespec(uint file_no){
1.318 misha 1121: if(file_no < file_list.count())
1122: return new String(file_list[file_no], String::L_TAINTED);
1123: return 0;
1124: }
1125:
1.248 paf 1126: #ifdef XML
1.280 paf 1127: xmlChar* Request::transcode(const String& s) {
1.248 paf 1128: return charsets.source().transcode(s);
1129: }
1130:
1.280 paf 1131: xmlChar* Request::transcode(const String::Body s) {
1.248 paf 1132: return charsets.source().transcode(s);
1133: }
1134:
1.280 paf 1135: const String& Request::transcode(const xmlChar* s) {
1.248 paf 1136: return charsets.source().transcode(s);
1.233 paf 1137: }
1.248 paf 1138: #endif
1139:
1.442 moko 1140: VException::VException(Request& r, const Exception& e):
1141: fexception(e), fhandled(&VBool::get(false)),
1.444 moko 1142: ftrace_bottom(r.exception_trace.bottom_index()), ftrace_top(r.exception_trace.top_index()),
1.442 moko 1143: origin(Operation::Origin::create(0, 0, 0)), problem_source(e.problem_source()) {
1144: Request::Exception_trace& exception_trace=r.exception_trace;
1.248 paf 1145:
1.349 moko 1146: if(!exception_trace.is_empty()) {
1.442 moko 1147: Request::Trace bottom=exception_trace.bottom_value();
1.350 moko 1148: origin=bottom.origin();
1.443 moko 1149: if(!problem_source) // we don't know who trigged the bug
1.350 moko 1150: problem_source=bottom.name(); // we usually know source of next-from-throw-point exception did that
1.248 paf 1151: }
1.442 moko 1152: if(origin.file_no)
1153: ffile=r.file_list[origin.file_no];
1154: }
1155:
1156: Value* VException::handled() {
1157: return fhash ? fhash->get(Symbols::HANDLED_SYMBOL) : fhandled;
1158: }
1.248 paf 1159:
1.444 moko 1160: Table& VException::stack(Request& r) {
1161: if(ftrace_top==size_t(-1))
1162: throw Exception(PARSER_RUNTIME, 0, "exception stack used outside of context");
1163: return r.exception_trace.table(r, problem_source, ftrace_bottom, ftrace_top);
1164: }
1165:
1.442 moko 1166: Value* VException::get_element(const String& name) {
1167: if(!fhash) {
1168: if(SYMBOLS_EQ(name,HANDLED_SYMBOL))
1169: return fhandled;
1170: if(SYMBOLS_EQ(name,TYPE_SYMBOL))
1171: return fexception.type(true) ? new VString(*new String(fexception.type())) : 0;
1172: if(SYMBOLS_EQ(name,SOURCE_SYMBOL))
1173: return problem_source ? new VString(*problem_source) : 0;
1174: if(SYMBOLS_EQ(name,COMMENT_SYMBOL))
1175: return fexception.comment(true) ? new VString(fexception.comment()) : 0;
1176: if(SYMBOLS_EQ(name,FILE_SYMBOL))
1177: return origin.file_no ? new VString(ffile) : 0;
1178: if(SYMBOLS_EQ(name,LINENO_SYMBOL))
1179: return origin.file_no ? new VInt(1+origin.line) : 0;
1180: if(SYMBOLS_EQ(name,COLNO_SYMBOL))
1181: return origin.file_no ? new VInt(1+origin.col) : 0;
1182: if(SYMBOLS_EQ(name,FIELDS_SYMBOL))
1183: return this;
1184: }
1185: // Computed field names need not be interned: use ordinary hash lookup.
1186: return VHashReference::get_element(name);
1187: }
1188:
1189: const VJunction* VException::put_element(const String& name, Value* value) {
1190: if(!fhash && SYMBOLS_EQ(name,HANDLED_SYMBOL)) {
1191: fhandled=value;
1192: return 0;
1193: }
1194: return VHashReference::put_element(name, value);
1195: }
1196:
1197: HashStringValue& VException::hash() {
1198: if(fhash)
1199: return *fhash;
1200: HashStringValue& result=*new HashStringValue;
1.248 paf 1201:
1.442 moko 1202: if(const char* type=fexception.type(true))
1203: result.put(Symbols::TYPE_SYMBOL, new VString(*new String(type)));
1.349 moko 1204: if(problem_source)
1.442 moko 1205: result.put(Symbols::SOURCE_SYMBOL, new VString(*problem_source));
1206: if(origin.file_no) {
1207: result.put(Symbols::FILE_SYMBOL, new VString(ffile));
1208: result.put(Symbols::LINENO_SYMBOL, new VInt(1+origin.line));
1209: result.put(Symbols::COLNO_SYMBOL, new VInt(1+origin.col));
1210: }
1211: if(const char* comment=fexception.comment(true))
1212: result.put(Symbols::COMMENT_SYMBOL, new VString(comment));
1213: result.put(Symbols::HANDLED_SYMBOL, fhandled);
1.248 paf 1214:
1.442 moko 1215: fhash=&result;
1216: return result;
1.133 parser 1217: }
1.337 moko 1218:
1219: Temp_value_element::Temp_value_element(Request& arequest, Value& awhere, const String& aname, Value* awhat) :
1220: frequest(arequest),
1221: fwhere(awhere),
1222: fname(aname),
1223: saved(awhere.get_element(aname))
1224: {
1225: Junction* junction;
1226: if(saved && (junction=saved->get_junction()) && junction->is_getter)
1227: saved=0;
1228: frequest.put_element(fwhere, aname, awhat);
1229: }
1230:
1231: Temp_value_element::~Temp_value_element() {
1232: frequest.put_element(fwhere, fname, saved ? saved : VVoid::get());
1233: }
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