Annotation of parser3/src/main/pa_request.C, revision 1.467
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:
1.467 ! moko 40: volatile const char * IDENT_PA_REQUEST_C="$Id: pa_request.C,v 1.466 2026/10/18 21:05:35 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;
1.369 moko 87: size_t pa_file_size_limit=FILE_SIZE_LIMIT;
1.465 moko 88: 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");
1.467 ! moko 124: static const String mime_types_method_name("mime-types");
1.395 moko 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:
1.330 moko 317: #ifdef STRICT_VARS
1.332 moko 318: VVoid::strict_vars=false;
1.330 moko 319: if(Value* strict_vars=conf_class.get_element(strict_vars_name)) {
320: if(strict_vars->is_bool())
321: VVoid::strict_vars=strict_vars->as_bool();
1.357 moko 322: else
1.415 moko 323: throw Exception(PARSER_RUNTIME, 0, "$MAIN:%s must be bool", strict_vars_name.cstr());
1.357 moko 324: }
325: #endif
326:
327: #ifdef OBJECT_PROTOTYPE
328: VClass::prototype=true;
329: if(Value* prototype=conf_class.get_element(prototype_name)) {
330: if(prototype->is_bool())
331: VClass::prototype=prototype->as_bool();
332: else
1.415 moko 333: throw Exception(PARSER_RUNTIME, 0, "$MAIN:%s must be bool", prototype_name.cstr());
1.330 moko 334: }
335: #endif
336:
1.415 moko 337: #ifdef CLASS_GETTER_UNPROTECTED
338: VClass::getter_protected=true;
339: if(Value* getter_protected=conf_class.get_element(getter_protected_name)) {
340: if(getter_protected->is_bool())
341: VClass::getter_protected=getter_protected->as_bool();
342: else
343: throw Exception(PARSER_RUNTIME, 0, "$MAIN:%s must be bool", getter_protected_name.cstr());
344: }
345: #endif
346:
347: VStateless_class::gall_vars_local=false;
348: if(Value* locals=conf_class.get_element(locals_name)) {
349: if(locals->is_bool()){
350: VStateless_class::gall_vars_local=locals->as_bool();
351: main_class.set_all_vars_local();
352: } else
353: throw Exception(PARSER_RUNTIME, 0, "$MAIN:%s must be bool", locals_name.cstr());
354: }
355:
1.362 moko 356: Value* limits=conf_class.get_element(limits_name);
357:
1.361 moko 358: pa_loop_limit=LOOP_LIMIT;
1.395 moko 359: CONF_OPTION(limits, loop_limit_name, {
360: pa_loop_limit=option->as_int();
361: if(pa_loop_limit==0) pa_loop_limit=INT_MAX;
362: }, "LIMITS.%s must be int");
1.361 moko 363:
1.425 moko 364: pa_array_limit=ARRAY_LIMIT;
365: CONF_OPTION(limits, array_limit_name, {
366: pa_array_limit=option->as_int();
367: if(pa_array_limit==0) pa_array_limit=INT_MAX;
368: }, "LIMITS.%s must be int");
369:
1.427 moko 370: pa_execute_recursion_limit=EXECUTE_RECURSION_LIMIT;
371: CONF_OPTION(limits, recursion_limit_name, {
372: pa_execute_recursion_limit=option->as_int();
1.445 moko 373: if(pa_execute_recursion_limit<=0) pa_execute_recursion_limit=INT_MAX;
374: pa_execute_recursion_limit=min(pa_execute_recursion_limit, INT_MAX-EXECUTE_RECURSION_RESERVE);
1.395 moko 375: }, "LIMITS.%s must be int");
1.445 moko 376: execute_recursion_limit=pa_execute_recursion_limit;
1.390 moko 377:
1.369 moko 378: pa_file_size_limit=FILE_SIZE_LIMIT;
1.395 moko 379: CONF_OPTION(limits, file_size_limit_name, {
380: double limit=option->as_double();
381: if(limit >= (double)SSIZE_MAX)
1.448 moko 382: throw Exception(PARSER_RUNTIME, 0, "$MAIN:LIMITS.%s must be less than %s", file_size_limit_name.cstr(), pa_itoa(SSIZE_MAX));
1.395 moko 383: pa_file_size_limit=(size_t)limit;
384: if(pa_file_size_limit==0)
385: pa_file_size_limit=SSIZE_MAX;
386: }, "LIMITS.%s must be number");
1.361 moko 387:
1.465 moko 388: pa_post_max_size=POST_MAX_SIZE;
389: CONF_OPTION(limits, post_max_size_name, {
390: double limit=option->as_double();
391: if(limit >= (double)SSIZE_MAX)
392: throw Exception(PARSER_RUNTIME, 0, "$MAIN:LIMITS.%s must be less than %s", post_max_size_name.cstr(), pa_itoa(SSIZE_MAX));
393: if(limit > 0)
394: pa_post_max_size=(size_t)limit;
395: }, "LIMITS.%s must be number");
396:
1.372 moko 397: pa_lock_attempts=PA_LOCK_ATTEMPTS;
1.395 moko 398: CONF_OPTION(limits, lock_wait_timeout_name, {
399: double limit=option->as_double();
400: if(limit >= 3600*24)
1.426 moko 401: throw Exception(PARSER_RUNTIME, 0, "$MAIN:LIMITS.%s must be less than %d", lock_wait_timeout_name.cstr(), 3600*24);
1.395 moko 402: pa_lock_attempts=(unsigned int)(limit*2)+1;
403: }, "LIMITS.%s must be number");
404:
405: Value* httpd=conf_class.get_element(httpd_name);
406:
407: pa_httpd_timeout=HTTPD_TIMEOUT;
408: CONF_OPTION(httpd, httpd_timeout_name, {
409: pa_httpd_timeout=option->as_int();
410: if(pa_httpd_timeout==0) pa_httpd_timeout=INT_MAX;
411: }, "HTTPD.%s must be int");
1.372 moko 412:
1.403 moko 413: if(httpd)
414: if(Value* option=httpd->get_element( httpd_mode_name)) {
415: if(option->get_junction())
1.415 moko 416: throw Exception(PARSER_RUNTIME, 0, "$MAIN:HTTPD:mode must be string");
1.403 moko 417: HTTPD_Server::set_mode(option->as_string());
418: }
1.402 moko 419:
1.458 moko 420: #ifdef CODE_CACHE
421: CONF_OPTION(httpd, httpd_code_cache_name, {
422: Code_cache_manager::set_enabled(option->as_bool());
423: }, "HTTPD.%s must be bool");
424: #endif
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) {
1.467 ! moko 1120: // built at the first use: @mime-types[] result or $MAIN:MIME-TYPES
! 1121: if(!mime_types) {
! 1122: Value* element=0;
! 1123: if(const Method *method=main_class.get_method(mime_types_method_name)) {
! 1124: METHOD_FRAME_ACTION(*method, method_frame/*caller*/, main_class, {
! 1125: call(frame);
! 1126: element=&frame.result();
! 1127: });
! 1128: } else
! 1129: element=main_class.get_element(mime_types_name);
! 1130:
! 1131: Table *table=element ? element->get_table() : 0;
! 1132: mime_types=table ? table : new Table(0); // empty if nothing is defined
! 1133: }
! 1134:
! 1135: if(const char* cext=strrchr(user_file_name_cstr, '.')) {
! 1136: String sext(++cext);
! 1137: Table::Action_options options;
! 1138: if(mime_types->locate(0, sext.change_case(charsets.source(), String::CC_LOWER), options)) {
! 1139: if(const String* result=mime_types->item(1))
! 1140: return *result;
! 1141: else
! 1142: throw Exception(PARSER_RUNTIME, 0, MIME_TYPES_NAME " table column elements must not be empty");
1.104 paf 1143: }
1.467 ! moko 1144: }
1.248 paf 1145:
1146: return *new String("application/octet-stream");
1147: }
1148:
1.365 moko 1149: const String* Request::get_used_filespec(uint file_no){
1.318 misha 1150: if(file_no < file_list.count())
1151: return new String(file_list[file_no], String::L_TAINTED);
1152: return 0;
1153: }
1154:
1.248 paf 1155: #ifdef XML
1.280 paf 1156: xmlChar* Request::transcode(const String& s) {
1.248 paf 1157: return charsets.source().transcode(s);
1158: }
1159:
1.280 paf 1160: xmlChar* Request::transcode(const String::Body s) {
1.248 paf 1161: return charsets.source().transcode(s);
1162: }
1163:
1.280 paf 1164: const String& Request::transcode(const xmlChar* s) {
1.248 paf 1165: return charsets.source().transcode(s);
1.233 paf 1166: }
1.248 paf 1167: #endif
1168:
1.442 moko 1169: VException::VException(Request& r, const Exception& e):
1170: fexception(e), fhandled(&VBool::get(false)),
1.444 moko 1171: ftrace_bottom(r.exception_trace.bottom_index()), ftrace_top(r.exception_trace.top_index()),
1.442 moko 1172: origin(Operation::Origin::create(0, 0, 0)), problem_source(e.problem_source()) {
1173: Request::Exception_trace& exception_trace=r.exception_trace;
1.248 paf 1174:
1.349 moko 1175: if(!exception_trace.is_empty()) {
1.442 moko 1176: Request::Trace bottom=exception_trace.bottom_value();
1.350 moko 1177: origin=bottom.origin();
1.443 moko 1178: if(!problem_source) // we don't know who trigged the bug
1.350 moko 1179: problem_source=bottom.name(); // we usually know source of next-from-throw-point exception did that
1.248 paf 1180: }
1.442 moko 1181: if(origin.file_no)
1182: ffile=r.file_list[origin.file_no];
1183: }
1184:
1185: Value* VException::handled() {
1186: return fhash ? fhash->get(Symbols::HANDLED_SYMBOL) : fhandled;
1187: }
1.248 paf 1188:
1.444 moko 1189: Table& VException::stack(Request& r) {
1190: if(ftrace_top==size_t(-1))
1191: throw Exception(PARSER_RUNTIME, 0, "exception stack used outside of context");
1192: return r.exception_trace.table(r, problem_source, ftrace_bottom, ftrace_top);
1193: }
1194:
1.442 moko 1195: Value* VException::get_element(const String& name) {
1196: if(!fhash) {
1197: if(SYMBOLS_EQ(name,HANDLED_SYMBOL))
1198: return fhandled;
1199: if(SYMBOLS_EQ(name,TYPE_SYMBOL))
1200: return fexception.type(true) ? new VString(*new String(fexception.type())) : 0;
1201: if(SYMBOLS_EQ(name,SOURCE_SYMBOL))
1202: return problem_source ? new VString(*problem_source) : 0;
1203: if(SYMBOLS_EQ(name,COMMENT_SYMBOL))
1204: return fexception.comment(true) ? new VString(fexception.comment()) : 0;
1205: if(SYMBOLS_EQ(name,FILE_SYMBOL))
1206: return origin.file_no ? new VString(ffile) : 0;
1207: if(SYMBOLS_EQ(name,LINENO_SYMBOL))
1208: return origin.file_no ? new VInt(1+origin.line) : 0;
1209: if(SYMBOLS_EQ(name,COLNO_SYMBOL))
1210: return origin.file_no ? new VInt(1+origin.col) : 0;
1211: if(SYMBOLS_EQ(name,FIELDS_SYMBOL))
1212: return this;
1213: }
1214: // Computed field names need not be interned: use ordinary hash lookup.
1215: return VHashReference::get_element(name);
1216: }
1217:
1218: const VJunction* VException::put_element(const String& name, Value* value) {
1219: if(!fhash && SYMBOLS_EQ(name,HANDLED_SYMBOL)) {
1220: fhandled=value;
1221: return 0;
1222: }
1223: return VHashReference::put_element(name, value);
1224: }
1225:
1226: HashStringValue& VException::hash() {
1227: if(fhash)
1228: return *fhash;
1229: HashStringValue& result=*new HashStringValue;
1.248 paf 1230:
1.442 moko 1231: if(const char* type=fexception.type(true))
1232: result.put(Symbols::TYPE_SYMBOL, new VString(*new String(type)));
1.349 moko 1233: if(problem_source)
1.442 moko 1234: result.put(Symbols::SOURCE_SYMBOL, new VString(*problem_source));
1235: if(origin.file_no) {
1236: result.put(Symbols::FILE_SYMBOL, new VString(ffile));
1237: result.put(Symbols::LINENO_SYMBOL, new VInt(1+origin.line));
1238: result.put(Symbols::COLNO_SYMBOL, new VInt(1+origin.col));
1239: }
1240: if(const char* comment=fexception.comment(true))
1241: result.put(Symbols::COMMENT_SYMBOL, new VString(comment));
1242: result.put(Symbols::HANDLED_SYMBOL, fhandled);
1.248 paf 1243:
1.442 moko 1244: fhash=&result;
1245: return result;
1.133 parser 1246: }
1.337 moko 1247:
1248: Temp_value_element::Temp_value_element(Request& arequest, Value& awhere, const String& aname, Value* awhat) :
1249: frequest(arequest),
1250: fwhere(awhere),
1251: fname(aname),
1252: saved(awhere.get_element(aname))
1253: {
1254: Junction* junction;
1255: if(saved && (junction=saved->get_junction()) && junction->is_getter)
1256: saved=0;
1257: frequest.put_element(fwhere, aname, awhat);
1258: }
1259:
1260: Temp_value_element::~Temp_value_element() {
1261: frequest.put_element(fwhere, fname, saved ? saved : VVoid::get());
1262: }
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