Annotation of parser3/src/main/pa_request.C, revision 1.471
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:
1.471 ! moko 40: volatile const char * IDENT_PA_REQUEST_C="$Id: pa_request.C,v 1.470 2026/10/23 20:58:45 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");
1.471 ! moko 119: static const String httpd_max_connections_name("max-connections");
1.458 moko 120: #ifdef CODE_CACHE
121: static const String httpd_code_cache_name("code-cache");
122: #endif
1.395 moko 123:
124: static const String conf_method_name("conf");
125: static const String post_process_method_name("postprocess");
126: static const String response_body_file_name("file");
1.248 paf 127:
1.344 moko 128: static const String download_name_upper(DOWNLOAD_NAME_UPPER);
129: static const String body_name_upper(BODY_NAME_UPPER);
130:
131: // more static
132:
133: static const String content_type_name_upper(HTTP_CONTENT_TYPE_UPPER);
134: static const String content_disposition_name_upper(CONTENT_DISPOSITION_UPPER);
1.392 moko 135: static const String content_disposition_inline(CONTENT_DISPOSITION_INLINE);
1.344 moko 136: static const String content_disposition_attachment(CONTENT_DISPOSITION_ATTACHMENT);
137:
1.420 moko 138: const String content_disposition_filename_name(CONTENT_DISPOSITION_FILENAME_NAME);
139: const String content_disposition_filename_name_asterisk("filename*");
140:
1.248 paf 141: // defines
1.82 paf 142:
1.344 moko 143: #define CHARSET_NAME_UPPER "CHARSET"
144: #define LAST_MODIFIED_NAME_UPPER "LAST-MODIFIED"
145:
1.233 paf 146: // op.C
1.248 paf 147: VStateless_class& VClassMAIN_create();
1.123 paf 148:
1.157 parser 149: //
1.445 moko 150: void Request::recursion_limit_reached() {
151: if(execute_recursion_limit>pa_execute_recursion_limit)
152: throw Recursion_limit_exception();
153:
154: execute_recursion_limit+=EXECUTE_RECURSION_RESERVE;
155: throw Exception(PARSER_RUNTIME, 0, "call canceled - endless recursion detected");
156: }
157:
1.408 moko 158: Request::Request(SAPI_Info& asapi_info, Request_info& arequest_info, String::Language adefault_lang):
1.248 paf 159: // private
1.427 moko 160: anti_endless_execute_recursion(0),
1.445 moko 161: execute_recursion_limit(pa_execute_recursion_limit),
1.248 paf 162:
163: // public
1.335 moko 164: allow_class_replace(false),
1.248 paf 165: method_frame(0),
166: rcontext(0),
167: wcontext(0),
1.191 paf 168: fconnection(0),
1.371 moko 169: fin_cycle(0),
1.307 misha 170: fskip(SKIP_NOTHING),
1.248 paf 171:
172: // public
1.257 paf 173: request_info(arequest_info),
1.248 paf 174: sapi_info(asapi_info),
1.359 moko 175: charsets(pa_UTF8_charset, pa_UTF8_charset, pa_UTF8_charset), // default charsets
1.248 paf 176:
177: main_class(VClassMAIN_create()),
1.260 paf 178: form(*new VForm(charsets, arequest_info)),
1.248 paf 179: mail(*new VMail),
1.462 moko 180: response(*new VResponse(arequest_info, charsets, adefault_lang)),
1.298 misha 181: cookie(*new VCookie(charsets, arequest_info)),
1.285 misha 182: console(*new VConsole),
1.464 moko 183: websocket(0),
1.248 paf 184:
185: // private
186: configure_admin_done(false),
187:
188: // private mime types
1.464 moko 189: mime_types(0)
1.157 parser 190: {
1.261 paf 191: pa_register_thread_request(*this);
192:
1.248 paf 193: // file_no=0 => unknown
1.434 moko 194: file_list+=String::Body("UNKNOWN");
195: file_list+=String::Body("-body of process-"); // pseudo_file_no__process
1.458 moko 196: #ifdef CODE_CACHE
197: Code_cache_manager::add_files(file_list);
198: #endif
1.186 paf 199:
1.178 paf 200: // maybe expire old caches
1.264 paf 201: cache_managers->maybe_expire();
1.178 paf 202:
1.157 parser 203: /// directly used
1.233 paf 204: // MAIN class, operators
1.353 moko 205: put_class(&main_class);
1.157 parser 206: // classes:
207: // table, file, random, mail, image, ...
1.248 paf 208: methoded_array().register_directly_used(*this);
1.157 parser 209:
210: /// methodless
1.354 moko 211:
1.157 parser 212: // env class
1.353 moko 213: put_class(new VEnv(asapi_info));
1.175 paf 214: // status class
1.353 moko 215: put_class(new VStatus());
1.157 parser 216: // request class
1.353 moko 217: put_class(new VRequest(arequest_info, charsets, form, asapi_info));
1.157 parser 218: // cookie class
1.353 moko 219: put_class(&cookie);
1.253 paf 220: // console class
1.353 moko 221: put_class(&console);
1.354 moko 222:
1.157 parser 223: /// methoded
1.354 moko 224:
1.157 parser 225: // response class
1.353 moko 226: put_class(&response);
1.157 parser 227: // form class
1.353 moko 228: put_class(&form);
1.213 paf 229: // mail class
1.353 moko 230: put_class(&mail);
1.157 parser 231: // math class
1.353 moko 232: put_class(new VMath);
1.248 paf 233: // memory class
1.353 moko 234: put_class(new VMemory);
1.117 paf 235: }
1.192 paf 236:
237: Request::~Request() {
238: #ifdef XML
239: // if for some strange reason xml generic errors failed to be reported, free them up
1.248 paf 240: if(const char* xml_generic_errors=xmlGenericErrors()) {
241: SAPI::log(sapi_info, "warning: unreported xmlGenericErrors: %s", xml_generic_errors);
1.341 moko 242: pa_free((void *)xml_generic_errors);
1.192 paf 243: }
244: #endif
245: }
1.236 paf 246:
1.248 paf 247: Value& Request::get_self() { return method_frame/*always have!*/->self(); }
1.192 paf 248:
1.355 moko 249: VStateless_class* Request::get_class(const String& name){
250: VStateless_class* result=classes().get(name);
1.313 misha 251: if(!result)
1.375 moko 252: if(const Method *method=main_class.get_element_method(autouse_method_name)){
1.364 moko 253: Value *vname=new VString(name);
254: CONSTRUCTOR_FRAME_ACTION(*method, 0 /*no parent*/, main_class, {
255: frame.store_params(&vname, 1);
256: // we don't need the result
257: call(frame);
258: });
259: result=classes().get(name);
260: }
1.309 misha 261: return result;
262: }
263:
1.411 moko 264: VStateless_class& Request::get_class_ref(const String& name){
265: VStateless_class* result=get_class(name);
266: if(!result)
267: throw Exception(PARSER_RUNTIME, &name, "class is undefined");
268: return *result;
269: }
270:
1.424 moko 271: bool Request::add_class(const char* atype, VStateless_class *aclass){
1.436 moko 272: if(!classes().put_dont_replace(String::Body(atype), aclass))
273: return true;
1.437 moko 274: if(!allow_class_replace && strcmp(atype, VARRAY_TYPE))
275: return false;
1.436 moko 276: classes().remove(String::Body(atype));
1.424 moko 277: classes().put(atype, aclass);
278: return true;
279: }
280:
1.356 moko 281: static void load_charset(HashStringValue::key_type akey, HashStringValue::value_type avalue, Request_charsets* charsets) {
1.359 moko 282: pa_charsets.load_charset(*charsets, akey, avalue->as_string());
1.208 paf 283: }
1.356 moko 284:
1.395 moko 285:
286: #define CONF_OPTION(config, name, code, exception_name) \
287: if(config) \
288: if(Value* option=config->get_element(name)) { \
289: if(option->is_evaluated_expr()) { \
290: code; \
291: } else \
1.415 moko 292: throw Exception(PARSER_RUNTIME, 0, "$MAIN:" exception_name, name.cstr()); \
1.395 moko 293: }
294:
1.248 paf 295: void Request::configure_admin(VStateless_class& conf_class) {
1.208 paf 296: if(configure_admin_done)
1.356 moko 297: throw Exception(PARSER_RUNTIME, 0, "parser already configured");
1.208 paf 298: configure_admin_done=true;
299:
1.227 paf 300: // charsets must only be specified in method_frame config
1.208 paf 301: // so that users would not interfere
302:
303: /* $MAIN:CHARSETS[
304: $.charsetname1[/full/path/to/charset/file.cfg]
305: ...
306: ]
307: */
1.308 misha 308: if(Value* vcharsets=conf_class.get_element(charsets_name)) {
1.342 moko 309: if(!vcharsets->is_string()) {
1.248 paf 310: if(HashStringValue* charsets=vcharsets->get_hash())
1.281 paf 311: charsets->for_each<Request_charsets*>(load_charset, &this->charsets);
1.240 paf 312: else
1.415 moko 313: throw Exception(PARSER_RUNTIME, 0, "$MAIN:%s must be hash", charsets_name.cstr());
1.342 moko 314: }
1.208 paf 315: }
316:
1.469 moko 317: Value* conf=&conf_class;
318:
1.330 moko 319: #ifdef STRICT_VARS
1.469 moko 320: bool strict_vars=false;
321: CONF_OPTION(conf, strict_vars_name, {
322: strict_vars=option->as_bool();
323: }, "%s must be bool");
324: VVoid::strict_vars=strict_vars;
1.357 moko 325: #endif
326:
327: #ifdef OBJECT_PROTOTYPE
1.469 moko 328: bool prototype=true;
329: CONF_OPTION(conf, prototype_name, {
330: prototype=option->as_bool();
331: }, "%s must be bool");
332: VClass::prototype=prototype;
1.330 moko 333: #endif
334:
1.415 moko 335: #ifdef CLASS_GETTER_UNPROTECTED
1.469 moko 336: bool getter_protected=true;
337: CONF_OPTION(conf, getter_protected_name, {
338: getter_protected=option->as_bool();
339: }, "%s must be bool");
340: VClass::getter_protected=getter_protected; // thread local: changes in Temp_getter_protected
341: #endif
342:
343: bool all_vars_local=false;
344: CONF_OPTION(conf, locals_name, {
345: all_vars_local=option->as_bool();
346: if(all_vars_local)
1.415 moko 347: main_class.set_all_vars_local();
1.469 moko 348: }, "%s must be bool");
349: VStateless_class::gall_vars_local=all_vars_local;
1.415 moko 350:
1.362 moko 351: Value* limits=conf_class.get_element(limits_name);
352:
1.469 moko 353: int loop_limit=LOOP_LIMIT;
1.395 moko 354: CONF_OPTION(limits, loop_limit_name, {
1.469 moko 355: loop_limit=option->as_int();
356: if(loop_limit==0) loop_limit=INT_MAX;
1.395 moko 357: }, "LIMITS.%s must be int");
1.469 moko 358: pa_loop_limit=loop_limit;
1.361 moko 359:
1.469 moko 360: int array_limit=ARRAY_LIMIT;
1.425 moko 361: CONF_OPTION(limits, array_limit_name, {
1.469 moko 362: array_limit=option->as_int();
363: if(array_limit==0) array_limit=INT_MAX;
1.425 moko 364: }, "LIMITS.%s must be int");
1.469 moko 365: pa_array_limit=array_limit;
1.425 moko 366:
1.469 moko 367: execute_recursion_limit=EXECUTE_RECURSION_LIMIT;
1.427 moko 368: CONF_OPTION(limits, recursion_limit_name, {
1.469 moko 369: execute_recursion_limit=option->as_int();
370: if(execute_recursion_limit<=0) execute_recursion_limit=INT_MAX;
371: execute_recursion_limit=min(execute_recursion_limit, INT_MAX-EXECUTE_RECURSION_RESERVE);
1.395 moko 372: }, "LIMITS.%s must be int");
1.469 moko 373: pa_execute_recursion_limit=execute_recursion_limit;
1.390 moko 374:
1.469 moko 375: size_t file_size_limit=FILE_SIZE_LIMIT;
1.395 moko 376: CONF_OPTION(limits, file_size_limit_name, {
377: double limit=option->as_double();
378: if(limit >= (double)SSIZE_MAX)
1.448 moko 379: throw Exception(PARSER_RUNTIME, 0, "$MAIN:LIMITS.%s must be less than %s", file_size_limit_name.cstr(), pa_itoa(SSIZE_MAX));
1.469 moko 380: file_size_limit=(size_t)limit;
381: if(file_size_limit==0)
382: file_size_limit=SSIZE_MAX;
1.395 moko 383: }, "LIMITS.%s must be number");
1.469 moko 384: pa_file_size_limit=file_size_limit; // thread local: url-dependent
1.361 moko 385:
1.469 moko 386: size_t post_max_size=POST_MAX_SIZE;
1.465 moko 387: CONF_OPTION(limits, post_max_size_name, {
388: double limit=option->as_double();
389: if(limit >= (double)SSIZE_MAX)
390: throw Exception(PARSER_RUNTIME, 0, "$MAIN:LIMITS.%s must be less than %s", post_max_size_name.cstr(), pa_itoa(SSIZE_MAX));
391: if(limit > 0)
1.469 moko 392: post_max_size=(size_t)limit;
1.465 moko 393: }, "LIMITS.%s must be number");
1.469 moko 394: pa_post_max_size=post_max_size; // thread local: url-dependent
1.465 moko 395:
1.469 moko 396: unsigned int lock_attempts=PA_LOCK_ATTEMPTS;
1.395 moko 397: CONF_OPTION(limits, lock_wait_timeout_name, {
398: double limit=option->as_double();
399: if(limit >= 3600*24)
1.426 moko 400: throw Exception(PARSER_RUNTIME, 0, "$MAIN:LIMITS.%s must be less than %d", lock_wait_timeout_name.cstr(), 3600*24);
1.469 moko 401: lock_attempts=(unsigned int)(limit*2)+1;
1.395 moko 402: }, "LIMITS.%s must be number");
1.469 moko 403: pa_lock_attempts=lock_attempts;
1.395 moko 404:
405: Value* httpd=conf_class.get_element(httpd_name);
406:
1.470 moko 407: #ifdef CODE_CACHE
408: CONF_OPTION(httpd, httpd_code_cache_name, {
409: Code_cache_manager::set_enabled(option->as_bool());
410: }, "HTTPD.%s must be bool");
411: #endif
412:
1.469 moko 413: int httpd_timeout=HTTPD_TIMEOUT;
1.395 moko 414: CONF_OPTION(httpd, httpd_timeout_name, {
1.469 moko 415: httpd_timeout=option->as_int();
416: if(httpd_timeout==0) httpd_timeout=INT_MAX;
1.395 moko 417: }, "HTTPD.%s must be int");
1.469 moko 418: pa_httpd_timeout=httpd_timeout;
1.372 moko 419:
1.471 ! moko 420: int httpd_max_connections=INT_MAX;
! 421: CONF_OPTION(httpd, httpd_max_connections_name, {
! 422: httpd_max_connections=option->as_int();
! 423: if(httpd_max_connections<=0) httpd_max_connections=INT_MAX;
! 424: }, "HTTPD.%s must be int");
! 425: HTTPD_Server::max_connections=httpd_max_connections;
! 426:
1.403 moko 427: if(httpd)
1.470 moko 428: if(Value* option=httpd->get_element(httpd_mode_name)) {
1.403 moko 429: if(option->get_junction())
1.415 moko 430: throw Exception(PARSER_RUNTIME, 0, "$MAIN:HTTPD:mode must be string");
1.403 moko 431: HTTPD_Server::set_mode(option->as_string());
432: }
1.402 moko 433:
1.227 paf 434: // configure method_frame options
1.208 paf 435: // until someone with less privileges have overriden them
1.248 paf 436: methoded_array().configure_admin(*this);
1.208 paf 437: }
1.150 parser 438:
1.442 moko 439: const char* Request::get_exception_cstr(const Exception& e, VException& details) {
1.349 moko 440:
1.269 paf 441: #define PA_URI_FORMAT "%s: "
1.349 moko 442: #define PA_COMMENT_TYPE_FORMAT "%s [%s]"
443:
1.269 paf 444: #define PA_ORIGIN_FILE_POS_FORMAT "%s(%d:%d): "
445: #define PA_SOURCE_FORMAT "'%s' "
1.349 moko 446:
447: #define PA_ORIGIN_FILE_POS_VALUE file_list[details.origin.file_no].cstr(), 1+details.origin.line, 1+details.origin.col,
448: #define PA_SOURCE_VALUE details.problem_source->cstr(),
449:
450: #define EXCEPTION_CSTR(f1,v1,f2,v2) \
1.466 moko 451: pa_snprintf(result, MAX_STRING, \
1.349 moko 452: PA_URI_FORMAT \
453: f1 f2 \
454: PA_COMMENT_TYPE_FORMAT, \
455: request_info.uri, \
456: v1 v2 \
457: e.comment(), e.type() \
458: );
459:
1.269 paf 460: char* result=new(PointerFreeGC) char[MAX_STRING];
461:
462: if(details.problem_source) { // do we know the guy?
1.349 moko 463: if(details.origin.file_no) // do whe know where he came from?
464: EXCEPTION_CSTR(PA_ORIGIN_FILE_POS_FORMAT, PA_ORIGIN_FILE_POS_VALUE, PA_SOURCE_FORMAT, PA_SOURCE_VALUE)
465: else
466: EXCEPTION_CSTR(PA_SOURCE_FORMAT, PA_SOURCE_VALUE,,)
467: } else {
468: if(details.origin.file_no) // do whe know where he came from?
469: EXCEPTION_CSTR(PA_ORIGIN_FILE_POS_FORMAT, PA_ORIGIN_FILE_POS_VALUE,,)
470: else
471: EXCEPTION_CSTR(,,,)
472: }
1.269 paf 473:
474: return result;
475: }
1.272 paf 476:
1.444 moko 477: Table &Request::Exception_trace::table(Request &r, const String* problem_source, size_t bottom, size_t top){
1.407 moko 478: // $stack[^table::create{name file lineno colno}]
479: Table::columns_type stack_trace_columns(new ArrayString);
480: *stack_trace_columns+=new String("name");
481: *stack_trace_columns+=new String("file");
482: *stack_trace_columns+=new String("lineno");
483: *stack_trace_columns+=new String("colno");
484: Table& stack_trace=*new Table(stack_trace_columns);
485:
1.444 moko 486: if(bottom<top)
487: for(size_t i=bottom+(get(bottom).name()==problem_source); i<top; i++) {
1.407 moko 488: Trace trace=get(i);
489: Table::element_type row(new ArrayString);
490:
491: *row+=trace.name(); // name column
492: Operation::Origin origin=trace.origin();
493: if(origin.file_no) {
494: *row+=new String(r.file_list[origin.file_no], String::L_TAINTED); // 'file' column
1.422 moko 495: *row+=new String(pa_uitoa(1+origin.line), String::L_CLEAN); // 'lineno' column
496: *row+=new String(pa_uitoa(1+origin.col), String::L_CLEAN); // 'colno' column
1.407 moko 497: }
498: stack_trace+=row;
499: }
500:
501: return stack_trace;
502: }
503:
1.272 paf 504: void Request::configure() {
505: // configure admin options if not configured yet
506: if(!configure_admin_done)
507: configure_admin(main_class);
508: }
1.408 moko 509:
1.459 moko 510: /// HEAD request: only the headers are sent
511: static bool is_header_only(Request_info& info) {
512: return info.method && strcasecmp(info.method, "HEAD")==0;
513: }
514:
1.64 paf 515: /**
516: load MAIN class, execute @main.
517: MAIN class consists of all the auto.p files we'd manage to find
518: plus
519: the file user requested us to process
520: all located classes become children of one another,
521: composing class we name 'MAIN'
1.180 paf 522:
523: @test log stack trace
524:
1.64 paf 525: */
1.459 moko 526: void Request::core(const char* config_filespec, const String &amain_method_name, const String* amain_class_name) {
527: bool header_only=is_header_only(request_info);
1.169 parser 528: try {
1.211 paf 529: // loading config
1.384 moko 530: if(config_filespec)
1.454 moko 531: use_file_directly(*new String(backslashes_to_slashes(config_filespec)));
1.8 paf 532:
1.338 moko 533: // filling mail received
534: mail.fill_received(*this);
535:
1.272 paf 536: try {
537: // compile requested file
1.389 moko 538: if(request_info.path_translated)
539: use_file_directly(*new String(request_info.path_translated, String::L_TAINTED), true, true /* load auto.p files */);
1.272 paf 540: configure();
541: } catch(...) {
542: configure(); // configure anyway, useful in @unhandled_exception [say, if they would want to mail by SMTP something]
543: rethrow;
544: }
1.25 paf 545:
1.412 moko 546: VStateless_class& main = amain_class_name ? get_class_ref(*amain_class_name) : main_class;
1.25 paf 547: // execute @main[]
1.412 moko 548: const String* body_string=amain_method_name.is_empty() ? &String::Empty : execute_method(main, amain_method_name);
1.41 paf 549: if(!body_string)
1.412 moko 550: throw Exception(PARSER_RUNTIME, &amain_method_name, "method not found in class %s", main.type());
1.79 paf 551:
1.464 moko 552: if(response.started==VResponse::WEBSOCKET)
553: websocket->close(); // graceful: waits for the Close of the client
554: // ignore the result in websocket or stream mode
555: if(response.started)
1.460 moko 556: return;
557:
1.250 paf 558: // extract response body
1.344 moko 559: Value* body_value=response.fields().get(download_name_upper); // $response:download?
1.430 moko 560: bool as_attachment=body_value!=0;
1.250 paf 561: if(!body_value)
1.344 moko 562: body_value=response.fields().get(body_name_upper); // $response:body
1.250 paf 563: if(!body_value)
564: body_value=new VString(*body_string); // just result of ^main[]
565:
1.119 paf 566: // @postprocess
1.383 moko 567: if(const Method *method=main_class.get_method(post_process_method_name)) {
568: METHOD_FRAME_ACTION(*method, 0 /*no parent*/, main_class, {
569: frame.store_params(&body_value, 1);
570: call(frame);
571: body_value=&frame.result();
572: });
573: }
1.90 paf 574:
1.430 moko 575: // can throw exceptions while handling $response:download[]
1.462 moko 576: output_result(body_value->as_vfile(response.lang, &charsets), header_only, as_attachment);
1.171 parser 577: } catch(const Exception& e) { // request handling problem
1.258 paf 578:
1.445 moko 579: // OK, as native execution stack has unwound
580: anti_endless_execute_recursion=0;
581:
1.431 moko 582: // we're returning not result, but error explanation
1.442 moko 583: VException& details=*new VException(*this, e);
1.431 moko 584: const char* exception_cstr=get_exception_cstr(e, details);
585:
586: // reset response
587: response.fields().clear();
1.462 moko 588: response.lang=response.default_lang;
1.431 moko 589: SAPI::clear_headers(sapi_info);
1.407 moko 590:
1.431 moko 591: // this is what we'd return in $response:body
592: const String* body_string=0;
1.407 moko 593:
1.431 moko 594: try {
1.407 moko 595: // maybe we'd be lucky enough as to report an error in a gracefull way...
596: if(const Method *method=main_class.get_method(*new String(UNHANDLED_EXCEPTION_METHOD_NAME))) {
597: // preparing parameters to @unhandled_exception[exception;stack]
598:
1.443 moko 599: Table& stack_trace=exception_trace.table(*this, details.problem_source);
1.444 moko 600: details.expire_trace();
1.407 moko 601: 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)
602:
1.442 moko 603: Value *params[]={&details, new VTable(&stack_trace)};
1.407 moko 604: METHOD_FRAME_ACTION(*method, 0 /*no caller*/, main_class, {
605: frame.store_params(params, 2);
606: call(frame);
607: body_string=&frame.result().as_string();
608: });
609: }
1.383 moko 610:
1.407 moko 611: // conditionally log it
1.442 moko 612: Value* vhandled=details.handled();
1.407 moko 613: if(!vhandled || !vhandled->as_bool()) {
614: SAPI::log(sapi_info, "%s", exception_cstr);
615: }
1.431 moko 616: } catch(const Exception& e) { // exception in @unhandled_exception
1.442 moko 617: VException& details=*new VException(*this, e);
1.431 moko 618: // logging both initial and new exceptions
619: SAPI::log(sapi_info, "%s", exception_cstr);
620: SAPI::log(sapi_info, "Exception in @unhandled_exception at %s", get_exception_cstr(e, details));
1.464 moko 621: if(!response.started)
1.460 moko 622: SAPI::send_error(sapi_info, "Exception in @unhandled_exception, details are available in Parser error log.");
1.431 moko 623: return;
624: }
1.383 moko 625:
1.431 moko 626: if(body_string) { // could report an error beautifully?
627: VString body_vstring(*body_string);
1.462 moko 628: output_result(body_vstring.as_vfile(response.lang, &charsets), header_only, false);
1.464 moko 629: } else if(!response.started) {
1.431 moko 630: // doing that ugly
631: SAPI::send_error(sapi_info, exception_cstr, strcmp(e.type(), "file.missing") ? "500" : "404");
1.268 paf 632: }
1.1 paf 633: }
634: }
635:
1.266 paf 636: uint Request::register_file(String::Body file_spec) {
1.248 paf 637: file_list+=file_spec;
638: return file_list.count()-1;
639: }
640:
1.387 moko 641: void Request::use_file_directly(const String& file_spec, bool fail_on_file_absence, bool with_auto_p) {
1.73 paf 642: // cyclic dependence check
1.318 misha 643: if(used_files.get(file_spec))
1.248 paf 644: return;
1.318 misha 645: used_files.put(file_spec, true);
646:
1.385 moko 647: if(!fail_on_file_absence && !entry_exists(file_spec)) // ignore file absence if asked for
648: return;
1.318 misha 649:
1.386 moko 650: if(with_auto_p) {
1.454 moko 651: // loading auto.p files from document_root/..
1.386 moko 652: // to the one beside requested file.
653: // all assigned bases from upper dir
654: const char* target=file_spec.cstr();
655:
656: // all relative paths are calculated from main document
657: request_info.path_translated=target;
658:
659: const char* after=target;
1.454 moko 660: size_t drlen=strlen(request_info.document_root_path);
1.457 moko 661: if(path_cmp(after, request_info.document_root_path, drlen)==0)
1.454 moko 662: after+=drlen; // to start from document_root/auto.p
1.386 moko 663:
664: while(const char* before=strchr(after, '/')) {
665: String& sfile_spec=*new String;
666: if(after!=target) {
667: sfile_spec.append_strdup(target, before-target, String::L_CLEAN);
668: sfile_spec << "/" AUTO_FILE_NAME;
669:
1.387 moko 670: use_file_directly(sfile_spec, false /*ignore absence, sole user*/);
1.386 moko 671: }
672: for(after=before+1;*after=='/';after++);
673: }
674: }
675:
1.458 moko 676: Code_cache* code=0;
677: #ifdef CODE_CACHE
678: if(Code_cache* cached=Code_cache_manager::get(file_spec)) {
679: use_buf(main_class, 0, 0, cached->file_no, 0, cached);
680: return;
681: }
682: // to record the compilation; only while the httpd config runs
683: code=Code_cache_manager::create(file_spec);
684: #endif
685:
1.385 moko 686: if(const char* source=file_read_text(charsets, file_spec, true))
1.458 moko 687: use_buf(main_class, source, 0, register_file(file_spec), 0, code);
1.318 misha 688: }
689:
690:
1.454 moko 691: void Request::use_file(const String& afile_name, const String* use_filespec/*absolute*/, bool with_auto_p) {
692: if(afile_name.is_empty())
1.366 moko 693: throw Exception(PARSER_RUNTIME, 0, "usage failed - no filename was specified");
1.326 misha 694:
1.318 misha 695: const String* filespec=0;
1.454 moko 696: const String& file_name=backslashes_to_slashes(afile_name);
1.318 misha 697:
1.454 moko 698: 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
699: filespec=&full_disk_path(afile_name);
1.318 misha 700: else if(use_filespec){ // search in current dir first
1.454 moko 701: size_t last_slash_pos=use_filespec->strrchr('/');
1.331 misha 702: if(last_slash_pos!=STRING_NOT_FOUND)
703: filespec=file_exist(use_filespec->mid(0, last_slash_pos), file_name); // found in current dir?
1.318 misha 704: }
705:
706: if(!filespec){
707: // prevent multiple scan CLASS_PATH for searching one file
708: if(searched_along_class_path.get(file_name))
709: return;
710: searched_along_class_path.put(file_name, true);
1.308 misha 711: if(Value* element=main_class.get_element(class_path_name)) {
1.233 paf 712: if(element->is_string()) {
1.388 moko 713: filespec=file_exist(full_disk_path(element->as_string()), file_name); // found at class_path?
1.233 paf 714: } else if(Table *table=element->get_table()) {
1.318 misha 715: for(size_t i=table->count(); i--; ) {
1.248 paf 716: const String& path=*(*table->get(i))[0];
1.388 moko 717: if(filespec=file_exist(full_disk_path(path), file_name))
1.233 paf 718: break; // found along class_path
719: }
720: } else
1.366 moko 721: throw Exception(PARSER_RUNTIME, 0, "$" CLASS_PATH_NAME " must be string or table");
1.318 misha 722: if(!filespec)
1.415 moko 723: throw Exception(PARSER_RUNTIME, &file_name, "not found along $MAIN:" CLASS_PATH_NAME);
1.318 misha 724: } else
1.415 moko 725: throw Exception(PARSER_RUNTIME, &file_name, "usage failed - no $MAIN:" CLASS_PATH_NAME " were specified");
1.148 parser 726: }
1.230 paf 727:
1.387 moko 728: use_file_directly(*filespec, true, with_auto_p);
1.16 paf 729: }
730:
1.364 moko 731: void Request::use_file(const String& file_name, const String* use_filespec/*absolute*/, Operation::Origin origin) {
1.349 moko 732: static String use("USE");
733: try {
1.364 moko 734: static VHash* voptions=new VHash();
1.376 moko 735: if(const Method *method=main_class.get_method(use_method_name)){
1.364 moko 736: Value *params[]={new VString(file_name), voptions};
737: voptions->hash().put(origin_key, new VString(*use_filespec));
738:
739: CONSTRUCTOR_FRAME_ACTION(*method, 0 /*no parent*/, main_class, {
740: frame.store_params(params, 2);
741: // we don't need the result
742: call(frame);
743: });
744: }
1.349 moko 745: } catch (...) {
746: exception_trace.push(Trace(&use, origin));
747: rethrow;
748: }
749: }
1.208 paf 750:
1.458 moko 751: 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 752: // temporary zero @conf to avoid it second execution
1.248 paf 753: Temp_method temp_method_conf(aclass, conf_method_name, 0);
1.358 moko 754: // temporary zero @auto to avoid it second execution
1.248 paf 755: Temp_method temp_method_auto(aclass, auto_method_name, 0);
1.233 paf 756:
1.295 misha 757: // compile loaded classes
1.458 moko 758: ArrayClass& cclasses=
759: #ifdef CODE_CACHE
760: !source ? code->replay(*this, aclass) :
761: #endif
762: compile(&aclass, source, main_alias, file_no, line_no_offset, code);
1.212 paf 763:
1.248 paf 764: VString* vfilespec=
1.435 moko 765: new VString(file_list[file_no]);
1.295 misha 766:
767: for(size_t i=0; i<cclasses.count(); i++){
768: VStateless_class& cclass=*cclasses.get(i);
1.296 misha 769:
770: // locate and execute possible @conf[] static
1.382 moko 771: if(execute_method_if_exists(cclass, conf_method_name, vfilespec))
1.295 misha 772: configure_admin(cclass/*, executed.method->name*/);
773:
774: // locate and execute possible @auto[] static
1.419 moko 775: execute_auto_method_if_exists(cclass, auto_method_name, vfilespec);
1.336 moko 776:
777: cclass.enable_default_setter();
1.295 misha 778: }
1.19 paf 779: }
780:
1.248 paf 781: const String& Request::relative(const char* apath, const String& relative_name) {
1.452 moko 782: // apath is a URI or a path already normalized by the target, always slash separated
1.341 moko 783: char *hpath=pa_strdup(apath);
1.248 paf 784: String& result=*new String;
785: if(rsplit(hpath, '/')) // if something/splitted
1.217 paf 786: result << hpath << "/";
1.248 paf 787: result << relative_name;
788: return result;
1.19 paf 789: }
790:
1.454 moko 791: void Request_info::set_document_root(const char* adocument_root) {
792: document_root=adocument_root;
793: char* path=backslashes_to_slashes(adocument_root);
794: if(path) {
795: size_t length=strlen(path);
796: while(length && path[length-1]=='/')
797: path[--length]=0;
798: }
799: document_root_path=path;
800: }
801:
1.453 moko 802: const String& Request::full_disk_path(const String& relative_name, uint allowed) {
1.454 moko 803: if(relative_name.first_char()!='/') {
804: if(uint scheme=path_scheme(relative_name)) {
805: check_path_scheme(scheme, relative_name, allowed);
806: if(scheme!=PA_SCHEME_FILE)
807: return relative_name; // an allowed uri is passed through
808: if(const String* path=file_uri_to_path(relative_name))
809: return backslashes_to_slashes(*path);
1.455 moko 810: #ifdef WIN32
811: throw Exception(PARSER_RUNTIME, &relative_name, "must be file:///path, file://localhost/path or file://server/share/path");
812: #else
1.454 moko 813: throw Exception(PARSER_RUNTIME, &relative_name, "must be file:///path or file://localhost/path");
1.455 moko 814: #endif
1.454 moko 815: }
816: // before '\' becomes '/', to avoid mixing the UNC path \\server with web path //server
817: if(is_os_absolute_path(relative_name))
818: return backslashes_to_slashes(relative_name);
1.453 moko 819: }
1.389 moko 820:
1.454 moko 821: const String& path=backslashes_to_slashes(relative_name);
822: if(path.first_char()!='/')
823: return relative(request_info.path_translated ? request_info.path_translated : pa_strcat(request_info.document_root_path, "/"), path);
824:
825: String& result=*new String(request_info.document_root_path);
826: result << path;
827: return result;
1.1 paf 828: }
1.45 paf 829:
1.453 moko 830: const String* Request::real_disk_path(const String& name) {
831: switch(path_scheme(name)) {
832: case PA_SCHEME_NONE: return &full_disk_path(name);
1.454 moko 833: case PA_SCHEME_FILE: {
1.456 moko 834: const String* path=clean_path_scheme(PA_SCHEME_FILE, name) ? file_uri_to_path(name) : 0;
1.454 moko 835: return path ? &backslashes_to_slashes(*path) : 0;
836: }
1.453 moko 837: default: return 0; // not a disk path
838: }
839: }
840:
1.267 paf 841: #ifndef DOXYGEN
842: class Add_header_attribute_info
843: {
844: public:
845: Add_header_attribute_info(Request& ar) : r(ar), add_last_modified(true) {}
846: Request& r;
847: bool add_last_modified;
848: };
849: #endif
1.344 moko 850: static void add_header_attribute(HashStringValue::key_type name, HashStringValue::value_type value, Add_header_attribute_info* info) {
851: if(name==BODY_NAME_UPPER || name==DOWNLOAD_NAME_UPPER || name==CHARSET_NAME_UPPER)
1.101 paf 852: return;
1.290 misha 853:
1.345 moko 854: if(name==LAST_MODIFIED_NAME_UPPER)
855: info->add_last_modified=false;
856:
1.316 misha 857: const char* aname=String(name, String::L_URI).untaint_and_transcode_cstr(String::L_URI, &info->r.charsets);
1.101 paf 858:
1.267 paf 859: SAPI::add_header_attribute(info->r.sapi_info,
1.345 moko 860: aname,
1.316 misha 861: attributed_meaning_to_string(*value, String::L_URI, false).untaint_and_transcode_cstr(String::L_URI, &info->r.charsets)
1.303 misha 862: );
1.267 paf 863: }
864:
1.366 moko 865: static void output_sole_piece(Request& r, bool header_only, VFile& body_file, Value* body_file_content_type) {
1.267 paf 866: // transcode text body when "text/*" or simple result
867: String::C output(body_file.value_ptr(), body_file.value_size());
868: if(!body_file_content_type/*vstring.as_vfile*/ || body_file_content_type->as_string().pos("text/")==0)
1.366 moko 869: output=Charset::transcode(output, r.charsets.source(), r.charsets.client());
1.267 paf 870:
1.311 misha 871: // prepare header: Content-Length
1.428 moko 872: SAPI::add_header_attribute(r.sapi_info, HTTP_CONTENT_LENGTH, pa_uitoa(output.length));
1.267 paf 873:
874: // send header
1.430 moko 875: SAPI::send_headers(r.sapi_info);
1.267 paf 876:
877: // send body
878: if(!header_only)
879: SAPI::send_body(r.sapi_info, output.str, output.length);
880: }
881:
882: #ifndef DOXYGEN
883: struct Range
884: {
1.396 moko 885: uint64_t start;
886: uint64_t end;
1.267 paf 887: };
888: #endif
1.396 moko 889:
890: #define UNSET ((uint64_t)-1)
891:
1.313 misha 892: static void parse_range(const String* s, Array<Range> &ar) {
1.267 paf 893: const char *p = s->cstr();
894: if(s->starts_with("bytes="))
895: p += 6;
896: Range r;
897: while(*p){
1.396 moko 898: r.start = UNSET;
899: r.end = UNSET;
1.401 moko 900:
901: while(*p==' ' || *p=='\t') p++;
902:
1.267 paf 903: if(*p >= '0' && *p <= '9'){
1.416 moko 904: const char *n=p;
1.401 moko 905: while(*p>='0' && *p<='9') p++;
1.440 moko 906: r.start = pa_atoul(pa_strdup(n, p-n)); // ((uint64_t)-1) is treated as UNSET
1.267 paf 907: }
1.401 moko 908:
909: while(*p==' ' || *p=='\t') p++;
910:
1.267 paf 911: if(*p++ != '-') break;
1.401 moko 912:
913: while(*p==' ' || *p=='\t') p++;
914:
1.267 paf 915: if(*p >= '0' && *p <= '9'){
1.416 moko 916: const char *n=p;
1.401 moko 917: while(*p>='0' && *p<='9') p++;
1.440 moko 918: r.end = pa_atoul(pa_strdup(n, p-n)); // ((uint64_t)-1) is treated as UNSET
1.267 paf 919: }
1.401 moko 920:
921: while(*p==' ' || *p=='\t') p++;
922:
923: if(*p)
924: if(*p++ != ',') break;
925:
1.267 paf 926: ar += r;
927: }
1.101 paf 928: }
1.267 paf 929:
1.400 moko 930: struct Send_range_action_info {
931: Request *r;
932: uint64_t offset;
933: uint64_t part_length;
934: };
935:
936: static void send_range(struct stat& /*finfo*/, int f, const String& /*file_spec*/, void *context){
937: Send_range_action_info &info = *(Send_range_action_info*)context;
938:
1.430 moko 939: SAPI::send_headers(info.r->sapi_info);
1.400 moko 940: pa_lseek(f, info.offset, SEEK_SET);
941:
1.432 moko 942: char buf[FILE_BUFFER_SIZE];
1.400 moko 943: do{
1.432 moko 944: size_t to_read = info.part_length < FILE_BUFFER_SIZE ? (size_t)info.part_length : FILE_BUFFER_SIZE;
1.400 moko 945: size_t to_write = file_block_read(f, buf, to_read);
946:
947: if(to_write == 0)
948: break;
949:
950: size_t size = SAPI::send_body(info.r->sapi_info, buf, to_write);
951: if(size != to_write)
952: break;
953:
954: info.part_length -= to_write;
955: } while (info.part_length);
956: }
957:
1.396 moko 958: 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 959: SAPI::add_header_attribute(r.sapi_info, "accept-ranges", "bytes");
1.270 paf 960:
1.339 moko 961: const char *range = SAPI::Env::get(r.sapi_info, "HTTP_RANGE");
1.396 moko 962: uint64_t offset=0;
963: uint64_t part_length=content_length;
1.401 moko 964:
965: if(range && content_length){
1.267 paf 966: Array<Range> ar;
967: parse_range(new String(range), ar);
1.396 moko 968: int count = ar.count();
1.267 paf 969: if(count == 1){
970: Range &rg = ar.get_ref(0);
1.401 moko 971:
972: if(rg.start == UNSET && rg.end == UNSET)
973: return SAPI::send_error(r.sapi_info, "", "416");
974:
1.396 moko 975: if(rg.start == UNSET && rg.end != UNSET){
1.440 moko 976: if(rg.end == 0)
977: return SAPI::send_error(r.sapi_info, "", "416");
1.401 moko 978: if(rg.end > content_length)
979: rg.end = content_length;
1.404 moko 980: rg.start = content_length - rg.end;
981: rg.end = content_length-1;
1.401 moko 982: } else if(rg.start != UNSET && rg.end == UNSET){
983: if(rg.start >= content_length)
984: return SAPI::send_error(r.sapi_info, "", "416");
1.267 paf 985: rg.end = content_length-1;
1.401 moko 986: } else {
987: if(rg.start >= content_length || rg.start > rg.end)
988: return SAPI::send_error(r.sapi_info, "", "416");
989: if(rg.end >= content_length)
990: rg.end = content_length-1;
1.267 paf 991: }
1.401 moko 992:
993: offset = rg.start;
994: part_length = rg.end-rg.start+1;
995:
1.400 moko 996: char buf[MAX_STRING];
1.466 moko 997: pa_snprintf(buf, MAX_STRING, "bytes %s-%s/%s", pa_uitoa(rg.start), pa_uitoa(rg.end), pa_uitoa(content_length));
1.401 moko 998: SAPI::add_header_attribute(r.sapi_info, HTTP_STATUS, "206");
1.315 misha 999: SAPI::add_header_attribute(r.sapi_info, "content-range", buf);
1.401 moko 1000: } else {
1.410 moko 1001: return SAPI::send_error(r.sapi_info, count ? "Multiple ranges are not supported" : "Invalid range", count ? "501" : "400");
1.267 paf 1002: }
1003: }
1004:
1.428 moko 1005: SAPI::add_header_attribute(r.sapi_info, HTTP_CONTENT_LENGTH, pa_uitoa(part_length));
1.267 paf 1006:
1.314 misha 1007: if(add_last_modified)
1.315 misha 1008: SAPI::add_header_attribute(r.sapi_info, "last-modified", attributed_meaning_to_string(date, String::L_AS_IS, true).cstr());
1.314 misha 1009:
1.414 moko 1010: if(header_only){
1.430 moko 1011: SAPI::send_headers(r.sapi_info);
1.414 moko 1012: } else {
1.400 moko 1013: Send_range_action_info info = { &r, offset, part_length};
1014: file_read_action_under_lock(r.full_disk_path(filename), "send", send_range, &info);
1.267 paf 1015: }
1016: }
1017:
1.248 paf 1018: void Request::output_result(VFile* body_file, bool header_only, bool as_attachment) {
1.464 moko 1019: if(response.started)
1.460 moko 1020: return;
1021:
1.51 paf 1022: // header: cookies
1.248 paf 1023: cookie.output_result(sapi_info);
1.51 paf 1024:
1.394 moko 1025: // $.file and $.name (when body is real vfile)
1026: Value* vfile = body_file->fields().get(response_body_file_name);
1027: Value* vname = body_file->fields().get(name_name);
1028:
1029: const String* sfile = vfile ? &vfile->as_string() : NULL;
1030: const String* sname = vname ? &vname->as_string() : NULL;
1031:
1032: if(sname && *sname == NONAME_DAT)
1033: sname = NULL;
1.92 paf 1034:
1.409 moko 1035: // Content-Disposition, use $.name[<empty>] to avoid
1.394 moko 1036: const String* disposition_name = sname ? sname->is_empty() ? NULL : sname : sfile;
1037: if(disposition_name) {
1.420 moko 1038: String& filename = *new String(pa_filename(disposition_name->cstr()), String::L_URI);
1039: String& filename_asterisk = *new String(charsets.client().NAME(), String::L_CLEAN) << (*new String("''")) << filename;
1040:
1.394 moko 1041: VHash& hash=*new VHash();
1042: hash.hash().put(value_name, new VString(as_attachment ? content_disposition_attachment : content_disposition_inline));
1.420 moko 1043: hash.hash().put(content_disposition_filename_name, new VString(filename));
1044: hash.hash().put(content_disposition_filename_name_asterisk, new VString(filename_asterisk));
1.394 moko 1045: response.fields().put(content_disposition_name_upper, &hash);
1046: }
1.267 paf 1047:
1.394 moko 1048: // _file_ content-type might be specified
1049: Value* body_file_content_type = body_file->fields().get(content_type_name);
1050: if(!body_file_content_type){
1051: const String* scontent_name = sname && !sname->is_empty() ? sname : sfile;
1052: if(scontent_name)
1053: body_file_content_type = new VString(mime_type_of(scontent_name->cstr()));
1.267 paf 1054: }
1055:
1.312 misha 1056: // set Content-Type
1.314 misha 1057: if(body_file_content_type) {
1058: // body file content type
1.344 moko 1059: response.fields().put(content_type_name_upper, body_file_content_type);
1.314 misha 1060: } else {
1061: // default content type
1.344 moko 1062: response.fields().put_dont_replace(content_type_name_upper, new VString(*new String(DEFAULT_CONTENT_TYPE)));
1.314 misha 1063: }
1.312 misha 1064:
1.314 misha 1065: // prepare header: $response:fields without :body, :download and :charset
1.267 paf 1066: Add_header_attribute_info info(*this);
1.281 paf 1067: response.fields().for_each<Add_header_attribute_info*>(add_header_attribute, &info);
1.50 paf 1068:
1.394 moko 1069: if(sfile) {
1.314 misha 1070: // $response:[download|body][$.file[filespec]] -- optput specified file
1.367 moko 1071: uint64_t content_length=0;
1.267 paf 1072: time_t atime=0, mtime=0, ctime=0;
1.394 moko 1073: file_stat(full_disk_path(*sfile), content_length, atime, mtime, ctime);
1.267 paf 1074:
1075: VDate* vdate=0;
1076: if(Value* v=body_file->fields().get("mdate")) {
1.423 moko 1077: vdate=dynamic_cast<VDate*>(v);
1078: if(!vdate)
1.286 misha 1079: throw Exception(PARSER_RUNTIME, 0, "mdate must be a date");
1.267 paf 1080: }
1081: if(!vdate)
1.346 moko 1082: vdate=new VDate((pa_time_t)mtime);
1.62 paf 1083:
1.399 moko 1084: output_pieces(*this, header_only, *sfile, content_length, *vdate, info.add_last_modified);
1.267 paf 1085: } else {
1.314 misha 1086: if(body_file_content_type)
1087: if(HashStringValue *hash=body_file_content_type->get_hash())
1088: body_file_content_type=hash->get(value_name);
1089:
1.366 moko 1090: output_sole_piece(*this, header_only, *body_file, body_file_content_type);
1.267 paf 1091: }
1.50 paf 1092: }
1.104 paf 1093:
1.464 moko 1094: void Request::start(VResponse::Started mode) {
1095: // the headers: cookies and $response:fields, without Content-Length
1096: // prepare before response.started is set: after that an exception is not reported to the client
1097: cookie.output_result(sapi_info);
1098: Add_header_attribute_info info(*this);
1099: response.fields().for_each<Add_header_attribute_info*>(add_header_attribute, &info);
1100: response.started=mode;
1101: SAPI::send_headers(sapi_info);
1102: }
1103:
1.463 moko 1104: void Request::stream(Value& part) {
1.464 moko 1105: if(response.started==VResponse::WEBSOCKET)
1106: throw Exception("websocket", 0, "unable to stream: websocket is active");
1107:
1108: // convert before response.started is set: after that an exception is not reported to the client
1.460 moko 1109: VFile* file=dynamic_cast<VFile*>(&part);
1.462 moko 1110: 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 1111: if(!file || file->is_text_mode())
1112: output=Charset::transcode(output, charsets.source(), charsets.client());
1113:
1.464 moko 1114: if(!response.started) {
1.460 moko 1115: response.fields().put_dont_replace(content_type_name_upper, new VString(*new String(DEFAULT_CONTENT_TYPE)));
1.464 moko 1116: start(VResponse::STREAM);
1.460 moko 1117: }
1118:
1119: if(!is_header_only(request_info))
1120: SAPI::send_body(sapi_info, output.str, output.length);
1121: }
1122:
1.328 misha 1123: const String& Request::mime_type_of(const String* file_name) {
1124: return mime_type_of(file_name?file_name->taint_cstr(String::L_FILE_SPEC):0);
1125: }
1126:
1.248 paf 1127: const String& Request::mime_type_of(const char* user_file_name_cstr) {
1.468 moko 1128: // built at the first use: $MAIN:MIME-TYPES (table or @GET_MIME-TYPES[] property)
1.467 moko 1129: if(!mime_types) {
1.468 moko 1130: Value* element=main_class.get_element(mime_types_name);
1131: TEMP_GETTER_PROTECTED(false); // @GET_MIME-TYPES[] assigns $MIME-TYPES, which replaces the getter with the table
1132: Table *table=element ? process(*element).get_table() : 0;
1.467 moko 1133: mime_types=table ? table : new Table(0); // empty if nothing is defined
1134: }
1135:
1136: if(const char* cext=strrchr(user_file_name_cstr, '.')) {
1137: String sext(++cext);
1138: Table::Action_options options;
1139: if(mime_types->locate(0, sext.change_case(charsets.source(), String::CC_LOWER), options)) {
1140: if(const String* result=mime_types->item(1))
1141: return *result;
1142: else
1143: throw Exception(PARSER_RUNTIME, 0, MIME_TYPES_NAME " table column elements must not be empty");
1.104 paf 1144: }
1.467 moko 1145: }
1.248 paf 1146:
1147: return *new String("application/octet-stream");
1148: }
1149:
1.365 moko 1150: const String* Request::get_used_filespec(uint file_no){
1.318 misha 1151: if(file_no < file_list.count())
1152: return new String(file_list[file_no], String::L_TAINTED);
1153: return 0;
1154: }
1155:
1.248 paf 1156: #ifdef XML
1.280 paf 1157: xmlChar* Request::transcode(const String& s) {
1.248 paf 1158: return charsets.source().transcode(s);
1159: }
1160:
1.280 paf 1161: xmlChar* Request::transcode(const String::Body s) {
1.248 paf 1162: return charsets.source().transcode(s);
1163: }
1164:
1.280 paf 1165: const String& Request::transcode(const xmlChar* s) {
1.248 paf 1166: return charsets.source().transcode(s);
1.233 paf 1167: }
1.248 paf 1168: #endif
1169:
1.442 moko 1170: VException::VException(Request& r, const Exception& e):
1171: fexception(e), fhandled(&VBool::get(false)),
1.444 moko 1172: ftrace_bottom(r.exception_trace.bottom_index()), ftrace_top(r.exception_trace.top_index()),
1.442 moko 1173: origin(Operation::Origin::create(0, 0, 0)), problem_source(e.problem_source()) {
1174: Request::Exception_trace& exception_trace=r.exception_trace;
1.248 paf 1175:
1.349 moko 1176: if(!exception_trace.is_empty()) {
1.442 moko 1177: Request::Trace bottom=exception_trace.bottom_value();
1.350 moko 1178: origin=bottom.origin();
1.443 moko 1179: if(!problem_source) // we don't know who trigged the bug
1.350 moko 1180: problem_source=bottom.name(); // we usually know source of next-from-throw-point exception did that
1.248 paf 1181: }
1.442 moko 1182: if(origin.file_no)
1183: ffile=r.file_list[origin.file_no];
1184: }
1185:
1186: Value* VException::handled() {
1187: return fhash ? fhash->get(Symbols::HANDLED_SYMBOL) : fhandled;
1188: }
1.248 paf 1189:
1.444 moko 1190: Table& VException::stack(Request& r) {
1191: if(ftrace_top==size_t(-1))
1192: throw Exception(PARSER_RUNTIME, 0, "exception stack used outside of context");
1193: return r.exception_trace.table(r, problem_source, ftrace_bottom, ftrace_top);
1194: }
1195:
1.442 moko 1196: Value* VException::get_element(const String& name) {
1197: if(!fhash) {
1198: if(SYMBOLS_EQ(name,HANDLED_SYMBOL))
1199: return fhandled;
1200: if(SYMBOLS_EQ(name,TYPE_SYMBOL))
1201: return fexception.type(true) ? new VString(*new String(fexception.type())) : 0;
1202: if(SYMBOLS_EQ(name,SOURCE_SYMBOL))
1203: return problem_source ? new VString(*problem_source) : 0;
1204: if(SYMBOLS_EQ(name,COMMENT_SYMBOL))
1205: return fexception.comment(true) ? new VString(fexception.comment()) : 0;
1206: if(SYMBOLS_EQ(name,FILE_SYMBOL))
1207: return origin.file_no ? new VString(ffile) : 0;
1208: if(SYMBOLS_EQ(name,LINENO_SYMBOL))
1209: return origin.file_no ? new VInt(1+origin.line) : 0;
1210: if(SYMBOLS_EQ(name,COLNO_SYMBOL))
1211: return origin.file_no ? new VInt(1+origin.col) : 0;
1212: if(SYMBOLS_EQ(name,FIELDS_SYMBOL))
1213: return this;
1214: }
1215: // Computed field names need not be interned: use ordinary hash lookup.
1216: return VHashReference::get_element(name);
1217: }
1218:
1219: const VJunction* VException::put_element(const String& name, Value* value) {
1220: if(!fhash && SYMBOLS_EQ(name,HANDLED_SYMBOL)) {
1221: fhandled=value;
1222: return 0;
1223: }
1224: return VHashReference::put_element(name, value);
1225: }
1226:
1227: HashStringValue& VException::hash() {
1228: if(fhash)
1229: return *fhash;
1230: HashStringValue& result=*new HashStringValue;
1.248 paf 1231:
1.442 moko 1232: if(const char* type=fexception.type(true))
1233: result.put(Symbols::TYPE_SYMBOL, new VString(*new String(type)));
1.349 moko 1234: if(problem_source)
1.442 moko 1235: result.put(Symbols::SOURCE_SYMBOL, new VString(*problem_source));
1236: if(origin.file_no) {
1237: result.put(Symbols::FILE_SYMBOL, new VString(ffile));
1238: result.put(Symbols::LINENO_SYMBOL, new VInt(1+origin.line));
1239: result.put(Symbols::COLNO_SYMBOL, new VInt(1+origin.col));
1240: }
1241: if(const char* comment=fexception.comment(true))
1242: result.put(Symbols::COMMENT_SYMBOL, new VString(comment));
1243: result.put(Symbols::HANDLED_SYMBOL, fhandled);
1.248 paf 1244:
1.442 moko 1245: fhash=&result;
1246: return result;
1.133 parser 1247: }
1.337 moko 1248:
1249: Temp_value_element::Temp_value_element(Request& arequest, Value& awhere, const String& aname, Value* awhat) :
1250: frequest(arequest),
1251: fwhere(awhere),
1252: fname(aname),
1253: saved(awhere.get_element(aname))
1254: {
1255: Junction* junction;
1256: if(saved && (junction=saved->get_junction()) && junction->is_getter)
1257: saved=0;
1258: frequest.put_element(fwhere, aname, awhat);
1259: }
1260:
1261: Temp_value_element::~Temp_value_element() {
1262: frequest.put_element(fwhere, fname, saved ? saved : VVoid::get());
1263: }
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