Annotation of parser3/src/main/pa_request.C, revision 1.469
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"
1.464 moko 29: #include "pa_websocket.h"
1.248 paf 30: #include "pa_vmail.h"
31: #include "pa_vform.h"
32: #include "pa_vcookie.h"
33: #include "pa_vresponse.h"
34: #include "pa_vmemory.h"
1.253 paf 35: #include "pa_vconsole.h"
1.267 paf 36: #include "pa_vdate.h"
1.424 moko 37: #include "pa_varray.h"
1.458 moko 38: #include "pa_code_cache.h"
1.159 parser 39:
1.469 ! moko 40: volatile const char * IDENT_PA_REQUEST_C="$Id: pa_request.C,v 1.468 2026/10/23 18:47:40 moko Exp $" IDENT_PA_REQUEST_H IDENT_PA_REQUEST_CHARSETS_H IDENT_PA_REQUEST_INFO_H IDENT_PA_VCONSOLE_H;
1.329 moko 41:
1.248 paf 42: // consts
43:
1.269 paf 44: #define UNHANDLED_EXCEPTION_METHOD_NAME "unhandled_exception"
1.207 paf 45:
1.82 paf 46: /// content type of response when no $MAIN:defaults.content-type defined
1.248 paf 47: const char* DEFAULT_CONTENT_TYPE="text/html";
48:
1.449 moko 49: // One recursion level uses ~0.85KB of stack under linux/gcc, ~1KB under win32 and ~2KB under win64.
50: // MSVC win64 exception handling requires an extra ~10KB !!! for each throw, and execute() catches and
51: // rethrows on every level to provide a stack trace.
1.450 moko 52: // So 1000 levels need ~1MB under linux (default 8MB stack is enough) and ~2+10=12MB under win64.
53: // Worse, win64 keeps the unwound frames until the catch block returns, so a handler running away
54: // in its turn starts on top of them and needs one more such budget. The stack is set to 40MB in
55: // the MSVC project settings to allow nested three runaways.
1.449 moko 56: const int EXECUTE_RECURSION_LIMIT=1000;
57: const int EXECUTE_RECURSION_RESERVE=100;
58:
1.446 moko 59: const int LOOP_LIMIT=100000;
60: const int ARRAY_LIMIT=1000000;
61: const int HTTPD_TIMEOUT=4;
1.465 moko 62: const size_t FILE_SIZE_LIMIT=512*0x400*0x400; // 512MB
63: const size_t POST_MAX_SIZE=10*0x400*0x400; // 10MB
1.361 moko 64:
1.248 paf 65: // defines for globals
66:
67: #define MAIN_METHOD_NAME "main"
68: #define AUTO_METHOD_NAME "auto"
1.364 moko 69: #define USE_METHOD_NAME "use"
1.309 misha 70: #define AUTOUSE_METHOD_NAME "autouse"
1.364 moko 71:
72: #define ORIGIN_KEY "origin"
73:
1.248 paf 74: // globals
75:
76: const String main_method_name(MAIN_METHOD_NAME);
77: const String auto_method_name(AUTO_METHOD_NAME);
1.364 moko 78: static const String use_method_name(USE_METHOD_NAME);
79: static const String autouse_method_name(AUTOUSE_METHOD_NAME);
1.311 misha 80:
1.364 moko 81: static const String origin_key(ORIGIN_KEY);
82:
1.369 moko 83: int pa_loop_limit=LOOP_LIMIT;
1.425 moko 84: int pa_array_limit=ARRAY_LIMIT;
1.427 moko 85: int pa_execute_recursion_limit=EXECUTE_RECURSION_LIMIT;
1.390 moko 86: int pa_httpd_timeout=HTTPD_TIMEOUT;
1.469 ! moko 87: THREAD_LOCAL size_t pa_file_size_limit=FILE_SIZE_LIMIT;
! 88: THREAD_LOCAL size_t pa_post_max_size=POST_MAX_SIZE;
1.361 moko 89:
1.248 paf 90: // defines for statics
91:
92: #define MIME_TYPES_NAME "MIME-TYPES"
93: #define CLASS_PATH_NAME "CLASS_PATH"
94:
1.344 moko 95: #define DOWNLOAD_NAME_UPPER "DOWNLOAD"
96: #define BODY_NAME_UPPER "BODY"
97:
1.248 paf 98: // statics
99:
100: static const String main_class_name(MAIN_CLASS_NAME);
101: static const String mime_types_name(MIME_TYPES_NAME);
1.395 moko 102: static const String class_path_name(CLASS_PATH_NAME);
1.361 moko 103:
1.395 moko 104: static const String charsets_name("CHARSETS");
105: static const String strict_vars_name("STRICT-VARS");
106: static const String prototype_name("OBJECT-PROTOTYPE");
1.415 moko 107: static const String getter_protected_name("CLASS-GETTER-PROTECTED");
108: static const String locals_name("LOCALS");
1.395 moko 109: static const String limits_name("LIMITS");
110: static const String loop_limit_name("max_loop");
1.425 moko 111: static const String array_limit_name("max_array_size");
1.427 moko 112: static const String recursion_limit_name("max_recursion");
1.395 moko 113: static const String file_size_limit_name("max_file_size");
1.465 moko 114: static const String post_max_size_name("post_max_size");
1.395 moko 115: static const String lock_wait_timeout_name("lock_wait_timeout");
116: static const String httpd_name("HTTPD");
117: static const String httpd_timeout_name("timeout");
1.402 moko 118: static const String httpd_mode_name("mode");
1.458 moko 119: #ifdef CODE_CACHE
120: static const String httpd_code_cache_name("code-cache");
121: #endif
1.395 moko 122:
123: static const String conf_method_name("conf");
124: static const String post_process_method_name("postprocess");
125: static const String response_body_file_name("file");
1.248 paf 126:
1.344 moko 127: static const String download_name_upper(DOWNLOAD_NAME_UPPER);
128: static const String body_name_upper(BODY_NAME_UPPER);
129:
130: // more static
131:
132: static const String content_type_name_upper(HTTP_CONTENT_TYPE_UPPER);
133: static const String content_disposition_name_upper(CONTENT_DISPOSITION_UPPER);
1.392 moko 134: static const String content_disposition_inline(CONTENT_DISPOSITION_INLINE);
1.344 moko 135: static const String content_disposition_attachment(CONTENT_DISPOSITION_ATTACHMENT);
136:
1.420 moko 137: const String content_disposition_filename_name(CONTENT_DISPOSITION_FILENAME_NAME);
138: const String content_disposition_filename_name_asterisk("filename*");
139:
1.248 paf 140: // defines
1.82 paf 141:
1.344 moko 142: #define CHARSET_NAME_UPPER "CHARSET"
143: #define LAST_MODIFIED_NAME_UPPER "LAST-MODIFIED"
144:
1.233 paf 145: // op.C
1.248 paf 146: VStateless_class& VClassMAIN_create();
1.123 paf 147:
1.157 parser 148: //
1.445 moko 149: void Request::recursion_limit_reached() {
150: if(execute_recursion_limit>pa_execute_recursion_limit)
151: throw Recursion_limit_exception();
152:
153: execute_recursion_limit+=EXECUTE_RECURSION_RESERVE;
154: throw Exception(PARSER_RUNTIME, 0, "call canceled - endless recursion detected");
155: }
156:
1.408 moko 157: Request::Request(SAPI_Info& asapi_info, Request_info& arequest_info, String::Language adefault_lang):
1.248 paf 158: // private
1.427 moko 159: anti_endless_execute_recursion(0),
1.445 moko 160: execute_recursion_limit(pa_execute_recursion_limit),
1.248 paf 161:
162: // public
1.335 moko 163: allow_class_replace(false),
1.248 paf 164: method_frame(0),
165: rcontext(0),
166: wcontext(0),
1.191 paf 167: fconnection(0),
1.371 moko 168: fin_cycle(0),
1.307 misha 169: fskip(SKIP_NOTHING),
1.248 paf 170:
171: // public
1.257 paf 172: request_info(arequest_info),
1.248 paf 173: sapi_info(asapi_info),
1.359 moko 174: charsets(pa_UTF8_charset, pa_UTF8_charset, pa_UTF8_charset), // default charsets
1.248 paf 175:
176: main_class(VClassMAIN_create()),
1.260 paf 177: form(*new VForm(charsets, arequest_info)),
1.248 paf 178: mail(*new VMail),
1.462 moko 179: response(*new VResponse(arequest_info, charsets, adefault_lang)),
1.298 misha 180: cookie(*new VCookie(charsets, arequest_info)),
1.285 misha 181: console(*new VConsole),
1.464 moko 182: websocket(0),
1.248 paf 183:
184: // private
185: configure_admin_done(false),
186:
187: // private mime types
1.464 moko 188: mime_types(0)
1.157 parser 189: {
1.261 paf 190: pa_register_thread_request(*this);
191:
1.248 paf 192: // file_no=0 => unknown
1.434 moko 193: file_list+=String::Body("UNKNOWN");
194: file_list+=String::Body("-body of process-"); // pseudo_file_no__process
1.458 moko 195: #ifdef CODE_CACHE
196: Code_cache_manager::add_files(file_list);
197: #endif
1.186 paf 198:
1.178 paf 199: // maybe expire old caches
1.264 paf 200: cache_managers->maybe_expire();
1.178 paf 201:
1.157 parser 202: /// directly used
1.233 paf 203: // MAIN class, operators
1.353 moko 204: put_class(&main_class);
1.157 parser 205: // classes:
206: // table, file, random, mail, image, ...
1.248 paf 207: methoded_array().register_directly_used(*this);
1.157 parser 208:
209: /// methodless
1.354 moko 210:
1.157 parser 211: // env class
1.353 moko 212: put_class(new VEnv(asapi_info));
1.175 paf 213: // status class
1.353 moko 214: put_class(new VStatus());
1.157 parser 215: // request class
1.353 moko 216: put_class(new VRequest(arequest_info, charsets, form, asapi_info));
1.157 parser 217: // cookie class
1.353 moko 218: put_class(&cookie);
1.253 paf 219: // console class
1.353 moko 220: put_class(&console);
1.354 moko 221:
1.157 parser 222: /// methoded
1.354 moko 223:
1.157 parser 224: // response class
1.353 moko 225: put_class(&response);
1.157 parser 226: // form class
1.353 moko 227: put_class(&form);
1.213 paf 228: // mail class
1.353 moko 229: put_class(&mail);
1.157 parser 230: // math class
1.353 moko 231: put_class(new VMath);
1.248 paf 232: // memory class
1.353 moko 233: put_class(new VMemory);
1.117 paf 234: }
1.192 paf 235:
236: Request::~Request() {
237: #ifdef XML
238: // if for some strange reason xml generic errors failed to be reported, free them up
1.248 paf 239: if(const char* xml_generic_errors=xmlGenericErrors()) {
240: SAPI::log(sapi_info, "warning: unreported xmlGenericErrors: %s", xml_generic_errors);
1.341 moko 241: pa_free((void *)xml_generic_errors);
1.192 paf 242: }
243: #endif
244: }
1.236 paf 245:
1.248 paf 246: Value& Request::get_self() { return method_frame/*always have!*/->self(); }
1.192 paf 247:
1.355 moko 248: VStateless_class* Request::get_class(const String& name){
249: VStateless_class* result=classes().get(name);
1.313 misha 250: if(!result)
1.375 moko 251: if(const Method *method=main_class.get_element_method(autouse_method_name)){
1.364 moko 252: Value *vname=new VString(name);
253: CONSTRUCTOR_FRAME_ACTION(*method, 0 /*no parent*/, main_class, {
254: frame.store_params(&vname, 1);
255: // we don't need the result
256: call(frame);
257: });
258: result=classes().get(name);
259: }
1.309 misha 260: return result;
261: }
262:
1.411 moko 263: VStateless_class& Request::get_class_ref(const String& name){
264: VStateless_class* result=get_class(name);
265: if(!result)
266: throw Exception(PARSER_RUNTIME, &name, "class is undefined");
267: return *result;
268: }
269:
1.424 moko 270: bool Request::add_class(const char* atype, VStateless_class *aclass){
1.436 moko 271: if(!classes().put_dont_replace(String::Body(atype), aclass))
272: return true;
1.437 moko 273: if(!allow_class_replace && strcmp(atype, VARRAY_TYPE))
274: return false;
1.436 moko 275: classes().remove(String::Body(atype));
1.424 moko 276: classes().put(atype, aclass);
277: return true;
278: }
279:
1.356 moko 280: static void load_charset(HashStringValue::key_type akey, HashStringValue::value_type avalue, Request_charsets* charsets) {
1.359 moko 281: pa_charsets.load_charset(*charsets, akey, avalue->as_string());
1.208 paf 282: }
1.356 moko 283:
1.395 moko 284:
285: #define CONF_OPTION(config, name, code, exception_name) \
286: if(config) \
287: if(Value* option=config->get_element(name)) { \
288: if(option->is_evaluated_expr()) { \
289: code; \
290: } else \
1.415 moko 291: throw Exception(PARSER_RUNTIME, 0, "$MAIN:" exception_name, name.cstr()); \
1.395 moko 292: }
293:
1.248 paf 294: void Request::configure_admin(VStateless_class& conf_class) {
1.208 paf 295: if(configure_admin_done)
1.356 moko 296: throw Exception(PARSER_RUNTIME, 0, "parser already configured");
1.208 paf 297: configure_admin_done=true;
298:
1.227 paf 299: // charsets must only be specified in method_frame config
1.208 paf 300: // so that users would not interfere
301:
302: /* $MAIN:CHARSETS[
303: $.charsetname1[/full/path/to/charset/file.cfg]
304: ...
305: ]
306: */
1.308 misha 307: if(Value* vcharsets=conf_class.get_element(charsets_name)) {
1.342 moko 308: if(!vcharsets->is_string()) {
1.248 paf 309: if(HashStringValue* charsets=vcharsets->get_hash())
1.281 paf 310: charsets->for_each<Request_charsets*>(load_charset, &this->charsets);
1.240 paf 311: else
1.415 moko 312: throw Exception(PARSER_RUNTIME, 0, "$MAIN:%s must be hash", charsets_name.cstr());
1.342 moko 313: }
1.208 paf 314: }
315:
1.469 ! moko 316: Value* conf=&conf_class;
! 317:
1.330 moko 318: #ifdef STRICT_VARS
1.469 ! moko 319: bool strict_vars=false;
! 320: CONF_OPTION(conf, strict_vars_name, {
! 321: strict_vars=option->as_bool();
! 322: }, "%s must be bool");
! 323: VVoid::strict_vars=strict_vars;
1.357 moko 324: #endif
325:
326: #ifdef OBJECT_PROTOTYPE
1.469 ! moko 327: bool prototype=true;
! 328: CONF_OPTION(conf, prototype_name, {
! 329: prototype=option->as_bool();
! 330: }, "%s must be bool");
! 331: VClass::prototype=prototype;
1.330 moko 332: #endif
333:
1.415 moko 334: #ifdef CLASS_GETTER_UNPROTECTED
1.469 ! moko 335: bool getter_protected=true;
! 336: CONF_OPTION(conf, getter_protected_name, {
! 337: getter_protected=option->as_bool();
! 338: }, "%s must be bool");
! 339: VClass::getter_protected=getter_protected; // thread local: changes in Temp_getter_protected
! 340: #endif
! 341:
! 342: #ifdef CODE_CACHE
! 343: CONF_OPTION(httpd, httpd_code_cache_name, {
! 344: Code_cache_manager::set_enabled(option->as_bool());
! 345: }, "HTTPD.%s must be bool");
1.415 moko 346: #endif
347:
1.469 ! moko 348: bool all_vars_local=false;
! 349: CONF_OPTION(conf, locals_name, {
! 350: all_vars_local=option->as_bool();
! 351: if(all_vars_local)
1.415 moko 352: main_class.set_all_vars_local();
1.469 ! moko 353: }, "%s must be bool");
! 354: VStateless_class::gall_vars_local=all_vars_local;
1.415 moko 355:
1.362 moko 356: Value* limits=conf_class.get_element(limits_name);
357:
1.469 ! moko 358: int loop_limit=LOOP_LIMIT;
1.395 moko 359: CONF_OPTION(limits, loop_limit_name, {
1.469 ! moko 360: loop_limit=option->as_int();
! 361: if(loop_limit==0) loop_limit=INT_MAX;
1.395 moko 362: }, "LIMITS.%s must be int");
1.469 ! moko 363: pa_loop_limit=loop_limit;
1.361 moko 364:
1.469 ! moko 365: int array_limit=ARRAY_LIMIT;
1.425 moko 366: CONF_OPTION(limits, array_limit_name, {
1.469 ! moko 367: array_limit=option->as_int();
! 368: if(array_limit==0) array_limit=INT_MAX;
1.425 moko 369: }, "LIMITS.%s must be int");
1.469 ! moko 370: pa_array_limit=array_limit;
1.425 moko 371:
1.469 ! moko 372: execute_recursion_limit=EXECUTE_RECURSION_LIMIT;
1.427 moko 373: CONF_OPTION(limits, recursion_limit_name, {
1.469 ! moko 374: execute_recursion_limit=option->as_int();
! 375: if(execute_recursion_limit<=0) execute_recursion_limit=INT_MAX;
! 376: execute_recursion_limit=min(execute_recursion_limit, INT_MAX-EXECUTE_RECURSION_RESERVE);
1.395 moko 377: }, "LIMITS.%s must be int");
1.469 ! moko 378: pa_execute_recursion_limit=execute_recursion_limit;
1.390 moko 379:
1.469 ! moko 380: size_t file_size_limit=FILE_SIZE_LIMIT;
1.395 moko 381: CONF_OPTION(limits, file_size_limit_name, {
382: double limit=option->as_double();
383: if(limit >= (double)SSIZE_MAX)
1.448 moko 384: throw Exception(PARSER_RUNTIME, 0, "$MAIN:LIMITS.%s must be less than %s", file_size_limit_name.cstr(), pa_itoa(SSIZE_MAX));
1.469 ! moko 385: file_size_limit=(size_t)limit;
! 386: if(file_size_limit==0)
! 387: file_size_limit=SSIZE_MAX;
1.395 moko 388: }, "LIMITS.%s must be number");
1.469 ! moko 389: pa_file_size_limit=file_size_limit; // thread local: url-dependent
1.361 moko 390:
1.469 ! moko 391: size_t post_max_size=POST_MAX_SIZE;
1.465 moko 392: CONF_OPTION(limits, post_max_size_name, {
393: double limit=option->as_double();
394: if(limit >= (double)SSIZE_MAX)
395: throw Exception(PARSER_RUNTIME, 0, "$MAIN:LIMITS.%s must be less than %s", post_max_size_name.cstr(), pa_itoa(SSIZE_MAX));
396: if(limit > 0)
1.469 ! moko 397: post_max_size=(size_t)limit;
1.465 moko 398: }, "LIMITS.%s must be number");
1.469 ! moko 399: pa_post_max_size=post_max_size; // thread local: url-dependent
1.465 moko 400:
1.469 ! moko 401: unsigned int lock_attempts=PA_LOCK_ATTEMPTS;
1.395 moko 402: CONF_OPTION(limits, lock_wait_timeout_name, {
403: double limit=option->as_double();
404: if(limit >= 3600*24)
1.426 moko 405: throw Exception(PARSER_RUNTIME, 0, "$MAIN:LIMITS.%s must be less than %d", lock_wait_timeout_name.cstr(), 3600*24);
1.469 ! moko 406: lock_attempts=(unsigned int)(limit*2)+1;
1.395 moko 407: }, "LIMITS.%s must be number");
1.469 ! moko 408: pa_lock_attempts=lock_attempts;
1.395 moko 409:
410: Value* httpd=conf_class.get_element(httpd_name);
411:
1.469 ! moko 412: int httpd_timeout=HTTPD_TIMEOUT;
1.395 moko 413: CONF_OPTION(httpd, httpd_timeout_name, {
1.469 ! moko 414: httpd_timeout=option->as_int();
! 415: if(httpd_timeout==0) httpd_timeout=INT_MAX;
1.395 moko 416: }, "HTTPD.%s must be int");
1.469 ! moko 417: pa_httpd_timeout=httpd_timeout;
1.372 moko 418:
1.403 moko 419: if(httpd)
420: if(Value* option=httpd->get_element( httpd_mode_name)) {
421: if(option->get_junction())
1.415 moko 422: throw Exception(PARSER_RUNTIME, 0, "$MAIN:HTTPD:mode must be string");
1.403 moko 423: HTTPD_Server::set_mode(option->as_string());
424: }
1.402 moko 425:
1.227 paf 426: // configure method_frame options
1.208 paf 427: // until someone with less privileges have overriden them
1.248 paf 428: methoded_array().configure_admin(*this);
1.208 paf 429: }
1.150 parser 430:
1.442 moko 431: const char* Request::get_exception_cstr(const Exception& e, VException& details) {
1.349 moko 432:
1.269 paf 433: #define PA_URI_FORMAT "%s: "
1.349 moko 434: #define PA_COMMENT_TYPE_FORMAT "%s [%s]"
435:
1.269 paf 436: #define PA_ORIGIN_FILE_POS_FORMAT "%s(%d:%d): "
437: #define PA_SOURCE_FORMAT "'%s' "
1.349 moko 438:
439: #define PA_ORIGIN_FILE_POS_VALUE file_list[details.origin.file_no].cstr(), 1+details.origin.line, 1+details.origin.col,
440: #define PA_SOURCE_VALUE details.problem_source->cstr(),
441:
442: #define EXCEPTION_CSTR(f1,v1,f2,v2) \
1.466 moko 443: pa_snprintf(result, MAX_STRING, \
1.349 moko 444: PA_URI_FORMAT \
445: f1 f2 \
446: PA_COMMENT_TYPE_FORMAT, \
447: request_info.uri, \
448: v1 v2 \
449: e.comment(), e.type() \
450: );
451:
1.269 paf 452: char* result=new(PointerFreeGC) char[MAX_STRING];
453:
454: if(details.problem_source) { // do we know the guy?
1.349 moko 455: if(details.origin.file_no) // do whe know where he came from?
456: EXCEPTION_CSTR(PA_ORIGIN_FILE_POS_FORMAT, PA_ORIGIN_FILE_POS_VALUE, PA_SOURCE_FORMAT, PA_SOURCE_VALUE)
457: else
458: EXCEPTION_CSTR(PA_SOURCE_FORMAT, PA_SOURCE_VALUE,,)
459: } else {
460: if(details.origin.file_no) // do whe know where he came from?
461: EXCEPTION_CSTR(PA_ORIGIN_FILE_POS_FORMAT, PA_ORIGIN_FILE_POS_VALUE,,)
462: else
463: EXCEPTION_CSTR(,,,)
464: }
1.269 paf 465:
466: return result;
467: }
1.272 paf 468:
1.444 moko 469: Table &Request::Exception_trace::table(Request &r, const String* problem_source, size_t bottom, size_t top){
1.407 moko 470: // $stack[^table::create{name file lineno colno}]
471: Table::columns_type stack_trace_columns(new ArrayString);
472: *stack_trace_columns+=new String("name");
473: *stack_trace_columns+=new String("file");
474: *stack_trace_columns+=new String("lineno");
475: *stack_trace_columns+=new String("colno");
476: Table& stack_trace=*new Table(stack_trace_columns);
477:
1.444 moko 478: if(bottom<top)
479: for(size_t i=bottom+(get(bottom).name()==problem_source); i<top; i++) {
1.407 moko 480: Trace trace=get(i);
481: Table::element_type row(new ArrayString);
482:
483: *row+=trace.name(); // name column
484: Operation::Origin origin=trace.origin();
485: if(origin.file_no) {
486: *row+=new String(r.file_list[origin.file_no], String::L_TAINTED); // 'file' column
1.422 moko 487: *row+=new String(pa_uitoa(1+origin.line), String::L_CLEAN); // 'lineno' column
488: *row+=new String(pa_uitoa(1+origin.col), String::L_CLEAN); // 'colno' column
1.407 moko 489: }
490: stack_trace+=row;
491: }
492:
493: return stack_trace;
494: }
495:
1.272 paf 496: void Request::configure() {
497: // configure admin options if not configured yet
498: if(!configure_admin_done)
499: configure_admin(main_class);
500: }
1.408 moko 501:
1.459 moko 502: /// HEAD request: only the headers are sent
503: static bool is_header_only(Request_info& info) {
504: return info.method && strcasecmp(info.method, "HEAD")==0;
505: }
506:
1.64 paf 507: /**
508: load MAIN class, execute @main.
509: MAIN class consists of all the auto.p files we'd manage to find
510: plus
511: the file user requested us to process
512: all located classes become children of one another,
513: composing class we name 'MAIN'
1.180 paf 514:
515: @test log stack trace
516:
1.64 paf 517: */
1.459 moko 518: void Request::core(const char* config_filespec, const String &amain_method_name, const String* amain_class_name) {
519: bool header_only=is_header_only(request_info);
1.169 parser 520: try {
1.211 paf 521: // loading config
1.384 moko 522: if(config_filespec)
1.454 moko 523: use_file_directly(*new String(backslashes_to_slashes(config_filespec)));
1.8 paf 524:
1.338 moko 525: // filling mail received
526: mail.fill_received(*this);
527:
1.272 paf 528: try {
529: // compile requested file
1.389 moko 530: if(request_info.path_translated)
531: use_file_directly(*new String(request_info.path_translated, String::L_TAINTED), true, true /* load auto.p files */);
1.272 paf 532: configure();
533: } catch(...) {
534: configure(); // configure anyway, useful in @unhandled_exception [say, if they would want to mail by SMTP something]
535: rethrow;
536: }
1.25 paf 537:
1.412 moko 538: VStateless_class& main = amain_class_name ? get_class_ref(*amain_class_name) : main_class;
1.25 paf 539: // execute @main[]
1.412 moko 540: const String* body_string=amain_method_name.is_empty() ? &String::Empty : execute_method(main, amain_method_name);
1.41 paf 541: if(!body_string)
1.412 moko 542: throw Exception(PARSER_RUNTIME, &amain_method_name, "method not found in class %s", main.type());
1.79 paf 543:
1.464 moko 544: if(response.started==VResponse::WEBSOCKET)
545: websocket->close(); // graceful: waits for the Close of the client
546: // ignore the result in websocket or stream mode
547: if(response.started)
1.460 moko 548: return;
549:
1.250 paf 550: // extract response body
1.344 moko 551: Value* body_value=response.fields().get(download_name_upper); // $response:download?
1.430 moko 552: bool as_attachment=body_value!=0;
1.250 paf 553: if(!body_value)
1.344 moko 554: body_value=response.fields().get(body_name_upper); // $response:body
1.250 paf 555: if(!body_value)
556: body_value=new VString(*body_string); // just result of ^main[]
557:
1.119 paf 558: // @postprocess
1.383 moko 559: if(const Method *method=main_class.get_method(post_process_method_name)) {
560: METHOD_FRAME_ACTION(*method, 0 /*no parent*/, main_class, {
561: frame.store_params(&body_value, 1);
562: call(frame);
563: body_value=&frame.result();
564: });
565: }
1.90 paf 566:
1.430 moko 567: // can throw exceptions while handling $response:download[]
1.462 moko 568: output_result(body_value->as_vfile(response.lang, &charsets), header_only, as_attachment);
1.171 parser 569: } catch(const Exception& e) { // request handling problem
1.258 paf 570:
1.445 moko 571: // OK, as native execution stack has unwound
572: anti_endless_execute_recursion=0;
573:
1.431 moko 574: // we're returning not result, but error explanation
1.442 moko 575: VException& details=*new VException(*this, e);
1.431 moko 576: const char* exception_cstr=get_exception_cstr(e, details);
577:
578: // reset response
579: response.fields().clear();
1.462 moko 580: response.lang=response.default_lang;
1.431 moko 581: SAPI::clear_headers(sapi_info);
1.407 moko 582:
1.431 moko 583: // this is what we'd return in $response:body
584: const String* body_string=0;
1.407 moko 585:
1.431 moko 586: try {
1.407 moko 587: // maybe we'd be lucky enough as to report an error in a gracefull way...
588: if(const Method *method=main_class.get_method(*new String(UNHANDLED_EXCEPTION_METHOD_NAME))) {
589: // preparing parameters to @unhandled_exception[exception;stack]
590:
1.443 moko 591: Table& stack_trace=exception_trace.table(*this, details.problem_source);
1.444 moko 592: details.expire_trace();
1.407 moko 593: 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)
594:
1.442 moko 595: Value *params[]={&details, new VTable(&stack_trace)};
1.407 moko 596: METHOD_FRAME_ACTION(*method, 0 /*no caller*/, main_class, {
597: frame.store_params(params, 2);
598: call(frame);
599: body_string=&frame.result().as_string();
600: });
601: }
1.383 moko 602:
1.407 moko 603: // conditionally log it
1.442 moko 604: Value* vhandled=details.handled();
1.407 moko 605: if(!vhandled || !vhandled->as_bool()) {
606: SAPI::log(sapi_info, "%s", exception_cstr);
607: }
1.431 moko 608: } catch(const Exception& e) { // exception in @unhandled_exception
1.442 moko 609: VException& details=*new VException(*this, e);
1.431 moko 610: // logging both initial and new exceptions
611: SAPI::log(sapi_info, "%s", exception_cstr);
612: SAPI::log(sapi_info, "Exception in @unhandled_exception at %s", get_exception_cstr(e, details));
1.464 moko 613: if(!response.started)
1.460 moko 614: SAPI::send_error(sapi_info, "Exception in @unhandled_exception, details are available in Parser error log.");
1.431 moko 615: return;
616: }
1.383 moko 617:
1.431 moko 618: if(body_string) { // could report an error beautifully?
619: VString body_vstring(*body_string);
1.462 moko 620: output_result(body_vstring.as_vfile(response.lang, &charsets), header_only, false);
1.464 moko 621: } else if(!response.started) {
1.431 moko 622: // doing that ugly
623: SAPI::send_error(sapi_info, exception_cstr, strcmp(e.type(), "file.missing") ? "500" : "404");
1.268 paf 624: }
1.1 paf 625: }
626: }
627:
1.266 paf 628: uint Request::register_file(String::Body file_spec) {
1.248 paf 629: file_list+=file_spec;
630: return file_list.count()-1;
631: }
632:
1.387 moko 633: void Request::use_file_directly(const String& file_spec, bool fail_on_file_absence, bool with_auto_p) {
1.73 paf 634: // cyclic dependence check
1.318 misha 635: if(used_files.get(file_spec))
1.248 paf 636: return;
1.318 misha 637: used_files.put(file_spec, true);
638:
1.385 moko 639: if(!fail_on_file_absence && !entry_exists(file_spec)) // ignore file absence if asked for
640: return;
1.318 misha 641:
1.386 moko 642: if(with_auto_p) {
1.454 moko 643: // loading auto.p files from document_root/..
1.386 moko 644: // to the one beside requested file.
645: // all assigned bases from upper dir
646: const char* target=file_spec.cstr();
647:
648: // all relative paths are calculated from main document
649: request_info.path_translated=target;
650:
651: const char* after=target;
1.454 moko 652: size_t drlen=strlen(request_info.document_root_path);
1.457 moko 653: if(path_cmp(after, request_info.document_root_path, drlen)==0)
1.454 moko 654: after+=drlen; // to start from document_root/auto.p
1.386 moko 655:
656: while(const char* before=strchr(after, '/')) {
657: String& sfile_spec=*new String;
658: if(after!=target) {
659: sfile_spec.append_strdup(target, before-target, String::L_CLEAN);
660: sfile_spec << "/" AUTO_FILE_NAME;
661:
1.387 moko 662: use_file_directly(sfile_spec, false /*ignore absence, sole user*/);
1.386 moko 663: }
664: for(after=before+1;*after=='/';after++);
665: }
666: }
667:
1.458 moko 668: Code_cache* code=0;
669: #ifdef CODE_CACHE
670: if(Code_cache* cached=Code_cache_manager::get(file_spec)) {
671: use_buf(main_class, 0, 0, cached->file_no, 0, cached);
672: return;
673: }
674: // to record the compilation; only while the httpd config runs
675: code=Code_cache_manager::create(file_spec);
676: #endif
677:
1.385 moko 678: if(const char* source=file_read_text(charsets, file_spec, true))
1.458 moko 679: use_buf(main_class, source, 0, register_file(file_spec), 0, code);
1.318 misha 680: }
681:
682:
1.454 moko 683: void Request::use_file(const String& afile_name, const String* use_filespec/*absolute*/, bool with_auto_p) {
684: if(afile_name.is_empty())
1.366 moko 685: throw Exception(PARSER_RUNTIME, 0, "usage failed - no filename was specified");
1.326 misha 686:
1.318 misha 687: const String* filespec=0;
1.454 moko 688: const String& file_name=backslashes_to_slashes(afile_name);
1.318 misha 689:
1.454 moko 690: 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
691: filespec=&full_disk_path(afile_name);
1.318 misha 692: else if(use_filespec){ // search in current dir first
1.454 moko 693: size_t last_slash_pos=use_filespec->strrchr('/');
1.331 misha 694: if(last_slash_pos!=STRING_NOT_FOUND)
695: filespec=file_exist(use_filespec->mid(0, last_slash_pos), file_name); // found in current dir?
1.318 misha 696: }
697:
698: if(!filespec){
699: // prevent multiple scan CLASS_PATH for searching one file
700: if(searched_along_class_path.get(file_name))
701: return;
702: searched_along_class_path.put(file_name, true);
1.308 misha 703: if(Value* element=main_class.get_element(class_path_name)) {
1.233 paf 704: if(element->is_string()) {
1.388 moko 705: filespec=file_exist(full_disk_path(element->as_string()), file_name); // found at class_path?
1.233 paf 706: } else if(Table *table=element->get_table()) {
1.318 misha 707: for(size_t i=table->count(); i--; ) {
1.248 paf 708: const String& path=*(*table->get(i))[0];
1.388 moko 709: if(filespec=file_exist(full_disk_path(path), file_name))
1.233 paf 710: break; // found along class_path
711: }
712: } else
1.366 moko 713: throw Exception(PARSER_RUNTIME, 0, "$" CLASS_PATH_NAME " must be string or table");
1.318 misha 714: if(!filespec)
1.415 moko 715: throw Exception(PARSER_RUNTIME, &file_name, "not found along $MAIN:" CLASS_PATH_NAME);
1.318 misha 716: } else
1.415 moko 717: throw Exception(PARSER_RUNTIME, &file_name, "usage failed - no $MAIN:" CLASS_PATH_NAME " were specified");
1.148 parser 718: }
1.230 paf 719:
1.387 moko 720: use_file_directly(*filespec, true, with_auto_p);
1.16 paf 721: }
722:
1.364 moko 723: void Request::use_file(const String& file_name, const String* use_filespec/*absolute*/, Operation::Origin origin) {
1.349 moko 724: static String use("USE");
725: try {
1.364 moko 726: static VHash* voptions=new VHash();
1.376 moko 727: if(const Method *method=main_class.get_method(use_method_name)){
1.364 moko 728: Value *params[]={new VString(file_name), voptions};
729: voptions->hash().put(origin_key, new VString(*use_filespec));
730:
731: CONSTRUCTOR_FRAME_ACTION(*method, 0 /*no parent*/, main_class, {
732: frame.store_params(params, 2);
733: // we don't need the result
734: call(frame);
735: });
736: }
1.349 moko 737: } catch (...) {
738: exception_trace.push(Trace(&use, origin));
739: rethrow;
740: }
741: }
1.208 paf 742:
1.458 moko 743: 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 744: // temporary zero @conf to avoid it second execution
1.248 paf 745: Temp_method temp_method_conf(aclass, conf_method_name, 0);
1.358 moko 746: // temporary zero @auto to avoid it second execution
1.248 paf 747: Temp_method temp_method_auto(aclass, auto_method_name, 0);
1.233 paf 748:
1.295 misha 749: // compile loaded classes
1.458 moko 750: ArrayClass& cclasses=
751: #ifdef CODE_CACHE
752: !source ? code->replay(*this, aclass) :
753: #endif
754: compile(&aclass, source, main_alias, file_no, line_no_offset, code);
1.212 paf 755:
1.248 paf 756: VString* vfilespec=
1.435 moko 757: new VString(file_list[file_no]);
1.295 misha 758:
759: for(size_t i=0; i<cclasses.count(); i++){
760: VStateless_class& cclass=*cclasses.get(i);
1.296 misha 761:
762: // locate and execute possible @conf[] static
1.382 moko 763: if(execute_method_if_exists(cclass, conf_method_name, vfilespec))
1.295 misha 764: configure_admin(cclass/*, executed.method->name*/);
765:
766: // locate and execute possible @auto[] static
1.419 moko 767: execute_auto_method_if_exists(cclass, auto_method_name, vfilespec);
1.336 moko 768:
769: cclass.enable_default_setter();
1.295 misha 770: }
1.19 paf 771: }
772:
1.248 paf 773: const String& Request::relative(const char* apath, const String& relative_name) {
1.452 moko 774: // apath is a URI or a path already normalized by the target, always slash separated
1.341 moko 775: char *hpath=pa_strdup(apath);
1.248 paf 776: String& result=*new String;
777: if(rsplit(hpath, '/')) // if something/splitted
1.217 paf 778: result << hpath << "/";
1.248 paf 779: result << relative_name;
780: return result;
1.19 paf 781: }
782:
1.454 moko 783: void Request_info::set_document_root(const char* adocument_root) {
784: document_root=adocument_root;
785: char* path=backslashes_to_slashes(adocument_root);
786: if(path) {
787: size_t length=strlen(path);
788: while(length && path[length-1]=='/')
789: path[--length]=0;
790: }
791: document_root_path=path;
792: }
793:
1.453 moko 794: const String& Request::full_disk_path(const String& relative_name, uint allowed) {
1.454 moko 795: if(relative_name.first_char()!='/') {
796: if(uint scheme=path_scheme(relative_name)) {
797: check_path_scheme(scheme, relative_name, allowed);
798: if(scheme!=PA_SCHEME_FILE)
799: return relative_name; // an allowed uri is passed through
800: if(const String* path=file_uri_to_path(relative_name))
801: return backslashes_to_slashes(*path);
1.455 moko 802: #ifdef WIN32
803: throw Exception(PARSER_RUNTIME, &relative_name, "must be file:///path, file://localhost/path or file://server/share/path");
804: #else
1.454 moko 805: throw Exception(PARSER_RUNTIME, &relative_name, "must be file:///path or file://localhost/path");
1.455 moko 806: #endif
1.454 moko 807: }
808: // before '\' becomes '/', to avoid mixing the UNC path \\server with web path //server
809: if(is_os_absolute_path(relative_name))
810: return backslashes_to_slashes(relative_name);
1.453 moko 811: }
1.389 moko 812:
1.454 moko 813: const String& path=backslashes_to_slashes(relative_name);
814: if(path.first_char()!='/')
815: return relative(request_info.path_translated ? request_info.path_translated : pa_strcat(request_info.document_root_path, "/"), path);
816:
817: String& result=*new String(request_info.document_root_path);
818: result << path;
819: return result;
1.1 paf 820: }
1.45 paf 821:
1.453 moko 822: const String* Request::real_disk_path(const String& name) {
823: switch(path_scheme(name)) {
824: case PA_SCHEME_NONE: return &full_disk_path(name);
1.454 moko 825: case PA_SCHEME_FILE: {
1.456 moko 826: const String* path=clean_path_scheme(PA_SCHEME_FILE, name) ? file_uri_to_path(name) : 0;
1.454 moko 827: return path ? &backslashes_to_slashes(*path) : 0;
828: }
1.453 moko 829: default: return 0; // not a disk path
830: }
831: }
832:
1.267 paf 833: #ifndef DOXYGEN
834: class Add_header_attribute_info
835: {
836: public:
837: Add_header_attribute_info(Request& ar) : r(ar), add_last_modified(true) {}
838: Request& r;
839: bool add_last_modified;
840: };
841: #endif
1.344 moko 842: static void add_header_attribute(HashStringValue::key_type name, HashStringValue::value_type value, Add_header_attribute_info* info) {
843: if(name==BODY_NAME_UPPER || name==DOWNLOAD_NAME_UPPER || name==CHARSET_NAME_UPPER)
1.101 paf 844: return;
1.290 misha 845:
1.345 moko 846: if(name==LAST_MODIFIED_NAME_UPPER)
847: info->add_last_modified=false;
848:
1.316 misha 849: const char* aname=String(name, String::L_URI).untaint_and_transcode_cstr(String::L_URI, &info->r.charsets);
1.101 paf 850:
1.267 paf 851: SAPI::add_header_attribute(info->r.sapi_info,
1.345 moko 852: aname,
1.316 misha 853: attributed_meaning_to_string(*value, String::L_URI, false).untaint_and_transcode_cstr(String::L_URI, &info->r.charsets)
1.303 misha 854: );
1.267 paf 855: }
856:
1.366 moko 857: static void output_sole_piece(Request& r, bool header_only, VFile& body_file, Value* body_file_content_type) {
1.267 paf 858: // transcode text body when "text/*" or simple result
859: String::C output(body_file.value_ptr(), body_file.value_size());
860: if(!body_file_content_type/*vstring.as_vfile*/ || body_file_content_type->as_string().pos("text/")==0)
1.366 moko 861: output=Charset::transcode(output, r.charsets.source(), r.charsets.client());
1.267 paf 862:
1.311 misha 863: // prepare header: Content-Length
1.428 moko 864: SAPI::add_header_attribute(r.sapi_info, HTTP_CONTENT_LENGTH, pa_uitoa(output.length));
1.267 paf 865:
866: // send header
1.430 moko 867: SAPI::send_headers(r.sapi_info);
1.267 paf 868:
869: // send body
870: if(!header_only)
871: SAPI::send_body(r.sapi_info, output.str, output.length);
872: }
873:
874: #ifndef DOXYGEN
875: struct Range
876: {
1.396 moko 877: uint64_t start;
878: uint64_t end;
1.267 paf 879: };
880: #endif
1.396 moko 881:
882: #define UNSET ((uint64_t)-1)
883:
1.313 misha 884: static void parse_range(const String* s, Array<Range> &ar) {
1.267 paf 885: const char *p = s->cstr();
886: if(s->starts_with("bytes="))
887: p += 6;
888: Range r;
889: while(*p){
1.396 moko 890: r.start = UNSET;
891: r.end = UNSET;
1.401 moko 892:
893: while(*p==' ' || *p=='\t') p++;
894:
1.267 paf 895: if(*p >= '0' && *p <= '9'){
1.416 moko 896: const char *n=p;
1.401 moko 897: while(*p>='0' && *p<='9') p++;
1.440 moko 898: r.start = pa_atoul(pa_strdup(n, p-n)); // ((uint64_t)-1) is treated as UNSET
1.267 paf 899: }
1.401 moko 900:
901: while(*p==' ' || *p=='\t') p++;
902:
1.267 paf 903: if(*p++ != '-') break;
1.401 moko 904:
905: while(*p==' ' || *p=='\t') p++;
906:
1.267 paf 907: if(*p >= '0' && *p <= '9'){
1.416 moko 908: const char *n=p;
1.401 moko 909: while(*p>='0' && *p<='9') p++;
1.440 moko 910: r.end = pa_atoul(pa_strdup(n, p-n)); // ((uint64_t)-1) is treated as UNSET
1.267 paf 911: }
1.401 moko 912:
913: while(*p==' ' || *p=='\t') p++;
914:
915: if(*p)
916: if(*p++ != ',') break;
917:
1.267 paf 918: ar += r;
919: }
1.101 paf 920: }
1.267 paf 921:
1.400 moko 922: struct Send_range_action_info {
923: Request *r;
924: uint64_t offset;
925: uint64_t part_length;
926: };
927:
928: static void send_range(struct stat& /*finfo*/, int f, const String& /*file_spec*/, void *context){
929: Send_range_action_info &info = *(Send_range_action_info*)context;
930:
1.430 moko 931: SAPI::send_headers(info.r->sapi_info);
1.400 moko 932: pa_lseek(f, info.offset, SEEK_SET);
933:
1.432 moko 934: char buf[FILE_BUFFER_SIZE];
1.400 moko 935: do{
1.432 moko 936: size_t to_read = info.part_length < FILE_BUFFER_SIZE ? (size_t)info.part_length : FILE_BUFFER_SIZE;
1.400 moko 937: size_t to_write = file_block_read(f, buf, to_read);
938:
939: if(to_write == 0)
940: break;
941:
942: size_t size = SAPI::send_body(info.r->sapi_info, buf, to_write);
943: if(size != to_write)
944: break;
945:
946: info.part_length -= to_write;
947: } while (info.part_length);
948: }
949:
1.396 moko 950: 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 951: SAPI::add_header_attribute(r.sapi_info, "accept-ranges", "bytes");
1.270 paf 952:
1.339 moko 953: const char *range = SAPI::Env::get(r.sapi_info, "HTTP_RANGE");
1.396 moko 954: uint64_t offset=0;
955: uint64_t part_length=content_length;
1.401 moko 956:
957: if(range && content_length){
1.267 paf 958: Array<Range> ar;
959: parse_range(new String(range), ar);
1.396 moko 960: int count = ar.count();
1.267 paf 961: if(count == 1){
962: Range &rg = ar.get_ref(0);
1.401 moko 963:
964: if(rg.start == UNSET && rg.end == UNSET)
965: return SAPI::send_error(r.sapi_info, "", "416");
966:
1.396 moko 967: if(rg.start == UNSET && rg.end != UNSET){
1.440 moko 968: if(rg.end == 0)
969: return SAPI::send_error(r.sapi_info, "", "416");
1.401 moko 970: if(rg.end > content_length)
971: rg.end = content_length;
1.404 moko 972: rg.start = content_length - rg.end;
973: rg.end = content_length-1;
1.401 moko 974: } else if(rg.start != UNSET && rg.end == UNSET){
975: if(rg.start >= content_length)
976: return SAPI::send_error(r.sapi_info, "", "416");
1.267 paf 977: rg.end = content_length-1;
1.401 moko 978: } else {
979: if(rg.start >= content_length || rg.start > rg.end)
980: return SAPI::send_error(r.sapi_info, "", "416");
981: if(rg.end >= content_length)
982: rg.end = content_length-1;
1.267 paf 983: }
1.401 moko 984:
985: offset = rg.start;
986: part_length = rg.end-rg.start+1;
987:
1.400 moko 988: char buf[MAX_STRING];
1.466 moko 989: pa_snprintf(buf, MAX_STRING, "bytes %s-%s/%s", pa_uitoa(rg.start), pa_uitoa(rg.end), pa_uitoa(content_length));
1.401 moko 990: SAPI::add_header_attribute(r.sapi_info, HTTP_STATUS, "206");
1.315 misha 991: SAPI::add_header_attribute(r.sapi_info, "content-range", buf);
1.401 moko 992: } else {
1.410 moko 993: return SAPI::send_error(r.sapi_info, count ? "Multiple ranges are not supported" : "Invalid range", count ? "501" : "400");
1.267 paf 994: }
995: }
996:
1.428 moko 997: SAPI::add_header_attribute(r.sapi_info, HTTP_CONTENT_LENGTH, pa_uitoa(part_length));
1.267 paf 998:
1.314 misha 999: if(add_last_modified)
1.315 misha 1000: SAPI::add_header_attribute(r.sapi_info, "last-modified", attributed_meaning_to_string(date, String::L_AS_IS, true).cstr());
1.314 misha 1001:
1.414 moko 1002: if(header_only){
1.430 moko 1003: SAPI::send_headers(r.sapi_info);
1.414 moko 1004: } else {
1.400 moko 1005: Send_range_action_info info = { &r, offset, part_length};
1006: file_read_action_under_lock(r.full_disk_path(filename), "send", send_range, &info);
1.267 paf 1007: }
1008: }
1009:
1.248 paf 1010: void Request::output_result(VFile* body_file, bool header_only, bool as_attachment) {
1.464 moko 1011: if(response.started)
1.460 moko 1012: return;
1013:
1.51 paf 1014: // header: cookies
1.248 paf 1015: cookie.output_result(sapi_info);
1.51 paf 1016:
1.394 moko 1017: // $.file and $.name (when body is real vfile)
1018: Value* vfile = body_file->fields().get(response_body_file_name);
1019: Value* vname = body_file->fields().get(name_name);
1020:
1021: const String* sfile = vfile ? &vfile->as_string() : NULL;
1022: const String* sname = vname ? &vname->as_string() : NULL;
1023:
1024: if(sname && *sname == NONAME_DAT)
1025: sname = NULL;
1.92 paf 1026:
1.409 moko 1027: // Content-Disposition, use $.name[<empty>] to avoid
1.394 moko 1028: const String* disposition_name = sname ? sname->is_empty() ? NULL : sname : sfile;
1029: if(disposition_name) {
1.420 moko 1030: String& filename = *new String(pa_filename(disposition_name->cstr()), String::L_URI);
1031: String& filename_asterisk = *new String(charsets.client().NAME(), String::L_CLEAN) << (*new String("''")) << filename;
1032:
1.394 moko 1033: VHash& hash=*new VHash();
1034: hash.hash().put(value_name, new VString(as_attachment ? content_disposition_attachment : content_disposition_inline));
1.420 moko 1035: hash.hash().put(content_disposition_filename_name, new VString(filename));
1036: hash.hash().put(content_disposition_filename_name_asterisk, new VString(filename_asterisk));
1.394 moko 1037: response.fields().put(content_disposition_name_upper, &hash);
1038: }
1.267 paf 1039:
1.394 moko 1040: // _file_ content-type might be specified
1041: Value* body_file_content_type = body_file->fields().get(content_type_name);
1042: if(!body_file_content_type){
1043: const String* scontent_name = sname && !sname->is_empty() ? sname : sfile;
1044: if(scontent_name)
1045: body_file_content_type = new VString(mime_type_of(scontent_name->cstr()));
1.267 paf 1046: }
1047:
1.312 misha 1048: // set Content-Type
1.314 misha 1049: if(body_file_content_type) {
1050: // body file content type
1.344 moko 1051: response.fields().put(content_type_name_upper, body_file_content_type);
1.314 misha 1052: } else {
1053: // default content type
1.344 moko 1054: response.fields().put_dont_replace(content_type_name_upper, new VString(*new String(DEFAULT_CONTENT_TYPE)));
1.314 misha 1055: }
1.312 misha 1056:
1.314 misha 1057: // prepare header: $response:fields without :body, :download and :charset
1.267 paf 1058: Add_header_attribute_info info(*this);
1.281 paf 1059: response.fields().for_each<Add_header_attribute_info*>(add_header_attribute, &info);
1.50 paf 1060:
1.394 moko 1061: if(sfile) {
1.314 misha 1062: // $response:[download|body][$.file[filespec]] -- optput specified file
1.367 moko 1063: uint64_t content_length=0;
1.267 paf 1064: time_t atime=0, mtime=0, ctime=0;
1.394 moko 1065: file_stat(full_disk_path(*sfile), content_length, atime, mtime, ctime);
1.267 paf 1066:
1067: VDate* vdate=0;
1068: if(Value* v=body_file->fields().get("mdate")) {
1.423 moko 1069: vdate=dynamic_cast<VDate*>(v);
1070: if(!vdate)
1.286 misha 1071: throw Exception(PARSER_RUNTIME, 0, "mdate must be a date");
1.267 paf 1072: }
1073: if(!vdate)
1.346 moko 1074: vdate=new VDate((pa_time_t)mtime);
1.62 paf 1075:
1.399 moko 1076: output_pieces(*this, header_only, *sfile, content_length, *vdate, info.add_last_modified);
1.267 paf 1077: } else {
1.314 misha 1078: if(body_file_content_type)
1079: if(HashStringValue *hash=body_file_content_type->get_hash())
1080: body_file_content_type=hash->get(value_name);
1081:
1.366 moko 1082: output_sole_piece(*this, header_only, *body_file, body_file_content_type);
1.267 paf 1083: }
1.50 paf 1084: }
1.104 paf 1085:
1.464 moko 1086: void Request::start(VResponse::Started mode) {
1087: // the headers: cookies and $response:fields, without Content-Length
1088: // prepare before response.started is set: after that an exception is not reported to the client
1089: cookie.output_result(sapi_info);
1090: Add_header_attribute_info info(*this);
1091: response.fields().for_each<Add_header_attribute_info*>(add_header_attribute, &info);
1092: response.started=mode;
1093: SAPI::send_headers(sapi_info);
1094: }
1095:
1.463 moko 1096: void Request::stream(Value& part) {
1.464 moko 1097: if(response.started==VResponse::WEBSOCKET)
1098: throw Exception("websocket", 0, "unable to stream: websocket is active");
1099:
1100: // convert before response.started is set: after that an exception is not reported to the client
1.460 moko 1101: VFile* file=dynamic_cast<VFile*>(&part);
1.462 moko 1102: String::C output=file ? String::C(file->value_ptr(), file->value_size()) : String::C(part.get_string()->cstr_to_string_body_untaint(response.lang, 0, &charsets));
1.460 moko 1103: if(!file || file->is_text_mode())
1104: output=Charset::transcode(output, charsets.source(), charsets.client());
1105:
1.464 moko 1106: if(!response.started) {
1.460 moko 1107: response.fields().put_dont_replace(content_type_name_upper, new VString(*new String(DEFAULT_CONTENT_TYPE)));
1.464 moko 1108: start(VResponse::STREAM);
1.460 moko 1109: }
1110:
1111: if(!is_header_only(request_info))
1112: SAPI::send_body(sapi_info, output.str, output.length);
1113: }
1114:
1.328 misha 1115: const String& Request::mime_type_of(const String* file_name) {
1116: return mime_type_of(file_name?file_name->taint_cstr(String::L_FILE_SPEC):0);
1117: }
1118:
1.248 paf 1119: const String& Request::mime_type_of(const char* user_file_name_cstr) {
1.468 moko 1120: // built at the first use: $MAIN:MIME-TYPES (table or @GET_MIME-TYPES[] property)
1.467 moko 1121: if(!mime_types) {
1.468 moko 1122: Value* element=main_class.get_element(mime_types_name);
1123: TEMP_GETTER_PROTECTED(false); // @GET_MIME-TYPES[] assigns $MIME-TYPES, which replaces the getter with the table
1124: Table *table=element ? process(*element).get_table() : 0;
1.467 moko 1125: mime_types=table ? table : new Table(0); // empty if nothing is defined
1126: }
1127:
1128: if(const char* cext=strrchr(user_file_name_cstr, '.')) {
1129: String sext(++cext);
1130: Table::Action_options options;
1131: if(mime_types->locate(0, sext.change_case(charsets.source(), String::CC_LOWER), options)) {
1132: if(const String* result=mime_types->item(1))
1133: return *result;
1134: else
1135: throw Exception(PARSER_RUNTIME, 0, MIME_TYPES_NAME " table column elements must not be empty");
1.104 paf 1136: }
1.467 moko 1137: }
1.248 paf 1138:
1139: return *new String("application/octet-stream");
1140: }
1141:
1.365 moko 1142: const String* Request::get_used_filespec(uint file_no){
1.318 misha 1143: if(file_no < file_list.count())
1144: return new String(file_list[file_no], String::L_TAINTED);
1145: return 0;
1146: }
1147:
1.248 paf 1148: #ifdef XML
1.280 paf 1149: xmlChar* Request::transcode(const String& s) {
1.248 paf 1150: return charsets.source().transcode(s);
1151: }
1152:
1.280 paf 1153: xmlChar* Request::transcode(const String::Body s) {
1.248 paf 1154: return charsets.source().transcode(s);
1155: }
1156:
1.280 paf 1157: const String& Request::transcode(const xmlChar* s) {
1.248 paf 1158: return charsets.source().transcode(s);
1.233 paf 1159: }
1.248 paf 1160: #endif
1161:
1.442 moko 1162: VException::VException(Request& r, const Exception& e):
1163: fexception(e), fhandled(&VBool::get(false)),
1.444 moko 1164: ftrace_bottom(r.exception_trace.bottom_index()), ftrace_top(r.exception_trace.top_index()),
1.442 moko 1165: origin(Operation::Origin::create(0, 0, 0)), problem_source(e.problem_source()) {
1166: Request::Exception_trace& exception_trace=r.exception_trace;
1.248 paf 1167:
1.349 moko 1168: if(!exception_trace.is_empty()) {
1.442 moko 1169: Request::Trace bottom=exception_trace.bottom_value();
1.350 moko 1170: origin=bottom.origin();
1.443 moko 1171: if(!problem_source) // we don't know who trigged the bug
1.350 moko 1172: problem_source=bottom.name(); // we usually know source of next-from-throw-point exception did that
1.248 paf 1173: }
1.442 moko 1174: if(origin.file_no)
1175: ffile=r.file_list[origin.file_no];
1176: }
1177:
1178: Value* VException::handled() {
1179: return fhash ? fhash->get(Symbols::HANDLED_SYMBOL) : fhandled;
1180: }
1.248 paf 1181:
1.444 moko 1182: Table& VException::stack(Request& r) {
1183: if(ftrace_top==size_t(-1))
1184: throw Exception(PARSER_RUNTIME, 0, "exception stack used outside of context");
1185: return r.exception_trace.table(r, problem_source, ftrace_bottom, ftrace_top);
1186: }
1187:
1.442 moko 1188: Value* VException::get_element(const String& name) {
1189: if(!fhash) {
1190: if(SYMBOLS_EQ(name,HANDLED_SYMBOL))
1191: return fhandled;
1192: if(SYMBOLS_EQ(name,TYPE_SYMBOL))
1193: return fexception.type(true) ? new VString(*new String(fexception.type())) : 0;
1194: if(SYMBOLS_EQ(name,SOURCE_SYMBOL))
1195: return problem_source ? new VString(*problem_source) : 0;
1196: if(SYMBOLS_EQ(name,COMMENT_SYMBOL))
1197: return fexception.comment(true) ? new VString(fexception.comment()) : 0;
1198: if(SYMBOLS_EQ(name,FILE_SYMBOL))
1199: return origin.file_no ? new VString(ffile) : 0;
1200: if(SYMBOLS_EQ(name,LINENO_SYMBOL))
1201: return origin.file_no ? new VInt(1+origin.line) : 0;
1202: if(SYMBOLS_EQ(name,COLNO_SYMBOL))
1203: return origin.file_no ? new VInt(1+origin.col) : 0;
1204: if(SYMBOLS_EQ(name,FIELDS_SYMBOL))
1205: return this;
1206: }
1207: // Computed field names need not be interned: use ordinary hash lookup.
1208: return VHashReference::get_element(name);
1209: }
1210:
1211: const VJunction* VException::put_element(const String& name, Value* value) {
1212: if(!fhash && SYMBOLS_EQ(name,HANDLED_SYMBOL)) {
1213: fhandled=value;
1214: return 0;
1215: }
1216: return VHashReference::put_element(name, value);
1217: }
1218:
1219: HashStringValue& VException::hash() {
1220: if(fhash)
1221: return *fhash;
1222: HashStringValue& result=*new HashStringValue;
1.248 paf 1223:
1.442 moko 1224: if(const char* type=fexception.type(true))
1225: result.put(Symbols::TYPE_SYMBOL, new VString(*new String(type)));
1.349 moko 1226: if(problem_source)
1.442 moko 1227: result.put(Symbols::SOURCE_SYMBOL, new VString(*problem_source));
1228: if(origin.file_no) {
1229: result.put(Symbols::FILE_SYMBOL, new VString(ffile));
1230: result.put(Symbols::LINENO_SYMBOL, new VInt(1+origin.line));
1231: result.put(Symbols::COLNO_SYMBOL, new VInt(1+origin.col));
1232: }
1233: if(const char* comment=fexception.comment(true))
1234: result.put(Symbols::COMMENT_SYMBOL, new VString(comment));
1235: result.put(Symbols::HANDLED_SYMBOL, fhandled);
1.248 paf 1236:
1.442 moko 1237: fhash=&result;
1238: return result;
1.133 parser 1239: }
1.337 moko 1240:
1241: Temp_value_element::Temp_value_element(Request& arequest, Value& awhere, const String& aname, Value* awhat) :
1242: frequest(arequest),
1243: fwhere(awhere),
1244: fname(aname),
1245: saved(awhere.get_element(aname))
1246: {
1247: Junction* junction;
1248: if(saved && (junction=saved->get_junction()) && junction->is_getter)
1249: saved=0;
1250: frequest.put_element(fwhere, aname, awhat);
1251: }
1252:
1253: Temp_value_element::~Temp_value_element() {
1254: frequest.put_element(fwhere, fname, saved ? saved : VVoid::get());
1255: }
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