Annotation of parser3/src/main/pa_request.C, revision 1.466
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:
1.466 ! moko 40: volatile const char * IDENT_PA_REQUEST_C="$Id: pa_request.C,v 1.465 2026/10/16 15:16:21 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");
124: static const String post_process_method_name("postprocess");
125: static const String response_body_file_name("file");
1.248 paf 126:
1.344 moko 127: static const String download_name_upper(DOWNLOAD_NAME_UPPER);
128: static const String body_name_upper(BODY_NAME_UPPER);
129:
130: // more static
131:
132: static const String content_type_name_upper(HTTP_CONTENT_TYPE_UPPER);
133: static const String content_disposition_name_upper(CONTENT_DISPOSITION_UPPER);
1.392 moko 134: static const String content_disposition_inline(CONTENT_DISPOSITION_INLINE);
1.344 moko 135: static const String content_disposition_attachment(CONTENT_DISPOSITION_ATTACHMENT);
136:
1.420 moko 137: const String content_disposition_filename_name(CONTENT_DISPOSITION_FILENAME_NAME);
138: const String content_disposition_filename_name_asterisk("filename*");
139:
1.248 paf 140: // defines
1.82 paf 141:
1.344 moko 142: #define CHARSET_NAME_UPPER "CHARSET"
143: #define LAST_MODIFIED_NAME_UPPER "LAST-MODIFIED"
144:
1.233 paf 145: // op.C
1.248 paf 146: VStateless_class& VClassMAIN_create();
1.123 paf 147:
1.157 parser 148: //
1.445 moko 149: void Request::recursion_limit_reached() {
150: if(execute_recursion_limit>pa_execute_recursion_limit)
151: throw Recursion_limit_exception();
152:
153: execute_recursion_limit+=EXECUTE_RECURSION_RESERVE;
154: throw Exception(PARSER_RUNTIME, 0, "call canceled - endless recursion detected");
155: }
156:
1.408 moko 157: Request::Request(SAPI_Info& asapi_info, Request_info& arequest_info, String::Language adefault_lang):
1.248 paf 158: // private
1.427 moko 159: anti_endless_execute_recursion(0),
1.445 moko 160: execute_recursion_limit(pa_execute_recursion_limit),
1.248 paf 161:
162: // public
1.335 moko 163: allow_class_replace(false),
1.248 paf 164: method_frame(0),
165: rcontext(0),
166: wcontext(0),
1.191 paf 167: fconnection(0),
1.371 moko 168: fin_cycle(0),
1.307 misha 169: fskip(SKIP_NOTHING),
1.248 paf 170:
171: // public
1.257 paf 172: request_info(arequest_info),
1.248 paf 173: sapi_info(asapi_info),
1.359 moko 174: charsets(pa_UTF8_charset, pa_UTF8_charset, pa_UTF8_charset), // default charsets
1.248 paf 175:
176: main_class(VClassMAIN_create()),
1.260 paf 177: form(*new VForm(charsets, arequest_info)),
1.248 paf 178: mail(*new VMail),
1.462 moko 179: response(*new VResponse(arequest_info, charsets, adefault_lang)),
1.298 misha 180: cookie(*new VCookie(charsets, arequest_info)),
1.285 misha 181: console(*new VConsole),
1.464 moko 182: websocket(0),
1.248 paf 183:
184: // private
185: configure_admin_done(false),
186:
187: // private mime types
1.464 moko 188: mime_types(0)
1.157 parser 189: {
1.261 paf 190: pa_register_thread_request(*this);
191:
1.248 paf 192: // file_no=0 => unknown
1.434 moko 193: file_list+=String::Body("UNKNOWN");
194: file_list+=String::Body("-body of process-"); // pseudo_file_no__process
1.458 moko 195: #ifdef CODE_CACHE
196: Code_cache_manager::add_files(file_list);
197: #endif
1.186 paf 198:
1.178 paf 199: // maybe expire old caches
1.264 paf 200: cache_managers->maybe_expire();
1.178 paf 201:
1.157 parser 202: /// directly used
1.233 paf 203: // MAIN class, operators
1.353 moko 204: put_class(&main_class);
1.157 parser 205: // classes:
206: // table, file, random, mail, image, ...
1.248 paf 207: methoded_array().register_directly_used(*this);
1.157 parser 208:
209: /// methodless
1.354 moko 210:
1.157 parser 211: // env class
1.353 moko 212: put_class(new VEnv(asapi_info));
1.175 paf 213: // status class
1.353 moko 214: put_class(new VStatus());
1.157 parser 215: // request class
1.353 moko 216: put_class(new VRequest(arequest_info, charsets, form, asapi_info));
1.157 parser 217: // cookie class
1.353 moko 218: put_class(&cookie);
1.253 paf 219: // console class
1.353 moko 220: put_class(&console);
1.354 moko 221:
1.157 parser 222: /// methoded
1.354 moko 223:
1.157 parser 224: // response class
1.353 moko 225: put_class(&response);
1.157 parser 226: // form class
1.353 moko 227: put_class(&form);
1.213 paf 228: // mail class
1.353 moko 229: put_class(&mail);
1.157 parser 230: // math class
1.353 moko 231: put_class(new VMath);
1.248 paf 232: // memory class
1.353 moko 233: put_class(new VMemory);
1.117 paf 234: }
1.192 paf 235:
236: Request::~Request() {
237: #ifdef XML
238: // if for some strange reason xml generic errors failed to be reported, free them up
1.248 paf 239: if(const char* xml_generic_errors=xmlGenericErrors()) {
240: SAPI::log(sapi_info, "warning: unreported xmlGenericErrors: %s", xml_generic_errors);
1.341 moko 241: pa_free((void *)xml_generic_errors);
1.192 paf 242: }
243: #endif
244: }
1.236 paf 245:
1.248 paf 246: Value& Request::get_self() { return method_frame/*always have!*/->self(); }
1.192 paf 247:
1.355 moko 248: VStateless_class* Request::get_class(const String& name){
249: VStateless_class* result=classes().get(name);
1.313 misha 250: if(!result)
1.375 moko 251: if(const Method *method=main_class.get_element_method(autouse_method_name)){
1.364 moko 252: Value *vname=new VString(name);
253: CONSTRUCTOR_FRAME_ACTION(*method, 0 /*no parent*/, main_class, {
254: frame.store_params(&vname, 1);
255: // we don't need the result
256: call(frame);
257: });
258: result=classes().get(name);
259: }
1.309 misha 260: return result;
261: }
262:
1.411 moko 263: VStateless_class& Request::get_class_ref(const String& name){
264: VStateless_class* result=get_class(name);
265: if(!result)
266: throw Exception(PARSER_RUNTIME, &name, "class is undefined");
267: return *result;
268: }
269:
1.424 moko 270: bool Request::add_class(const char* atype, VStateless_class *aclass){
1.436 moko 271: if(!classes().put_dont_replace(String::Body(atype), aclass))
272: return true;
1.437 moko 273: if(!allow_class_replace && strcmp(atype, VARRAY_TYPE))
274: return false;
1.436 moko 275: classes().remove(String::Body(atype));
1.424 moko 276: classes().put(atype, aclass);
277: return true;
278: }
279:
1.356 moko 280: static void load_charset(HashStringValue::key_type akey, HashStringValue::value_type avalue, Request_charsets* charsets) {
1.359 moko 281: pa_charsets.load_charset(*charsets, akey, avalue->as_string());
1.208 paf 282: }
1.356 moko 283:
1.395 moko 284:
285: #define CONF_OPTION(config, name, code, exception_name) \
286: if(config) \
287: if(Value* option=config->get_element(name)) { \
288: if(option->is_evaluated_expr()) { \
289: code; \
290: } else \
1.415 moko 291: throw Exception(PARSER_RUNTIME, 0, "$MAIN:" exception_name, name.cstr()); \
1.395 moko 292: }
293:
1.248 paf 294: void Request::configure_admin(VStateless_class& conf_class) {
1.208 paf 295: if(configure_admin_done)
1.356 moko 296: throw Exception(PARSER_RUNTIME, 0, "parser already configured");
1.208 paf 297: configure_admin_done=true;
298:
1.227 paf 299: // charsets must only be specified in method_frame config
1.208 paf 300: // so that users would not interfere
301:
302: /* $MAIN:CHARSETS[
303: $.charsetname1[/full/path/to/charset/file.cfg]
304: ...
305: ]
306: */
1.308 misha 307: if(Value* vcharsets=conf_class.get_element(charsets_name)) {
1.342 moko 308: if(!vcharsets->is_string()) {
1.248 paf 309: if(HashStringValue* charsets=vcharsets->get_hash())
1.281 paf 310: charsets->for_each<Request_charsets*>(load_charset, &this->charsets);
1.240 paf 311: else
1.415 moko 312: throw Exception(PARSER_RUNTIME, 0, "$MAIN:%s must be hash", charsets_name.cstr());
1.342 moko 313: }
1.208 paf 314: }
315:
1.330 moko 316: #ifdef STRICT_VARS
1.332 moko 317: VVoid::strict_vars=false;
1.330 moko 318: if(Value* strict_vars=conf_class.get_element(strict_vars_name)) {
319: if(strict_vars->is_bool())
320: VVoid::strict_vars=strict_vars->as_bool();
1.357 moko 321: else
1.415 moko 322: throw Exception(PARSER_RUNTIME, 0, "$MAIN:%s must be bool", strict_vars_name.cstr());
1.357 moko 323: }
324: #endif
325:
326: #ifdef OBJECT_PROTOTYPE
327: VClass::prototype=true;
328: if(Value* prototype=conf_class.get_element(prototype_name)) {
329: if(prototype->is_bool())
330: VClass::prototype=prototype->as_bool();
331: else
1.415 moko 332: throw Exception(PARSER_RUNTIME, 0, "$MAIN:%s must be bool", prototype_name.cstr());
1.330 moko 333: }
334: #endif
335:
1.415 moko 336: #ifdef CLASS_GETTER_UNPROTECTED
337: VClass::getter_protected=true;
338: if(Value* getter_protected=conf_class.get_element(getter_protected_name)) {
339: if(getter_protected->is_bool())
340: VClass::getter_protected=getter_protected->as_bool();
341: else
342: throw Exception(PARSER_RUNTIME, 0, "$MAIN:%s must be bool", getter_protected_name.cstr());
343: }
344: #endif
345:
346: VStateless_class::gall_vars_local=false;
347: if(Value* locals=conf_class.get_element(locals_name)) {
348: if(locals->is_bool()){
349: VStateless_class::gall_vars_local=locals->as_bool();
350: main_class.set_all_vars_local();
351: } else
352: throw Exception(PARSER_RUNTIME, 0, "$MAIN:%s must be bool", locals_name.cstr());
353: }
354:
1.362 moko 355: Value* limits=conf_class.get_element(limits_name);
356:
1.361 moko 357: pa_loop_limit=LOOP_LIMIT;
1.395 moko 358: CONF_OPTION(limits, loop_limit_name, {
359: pa_loop_limit=option->as_int();
360: if(pa_loop_limit==0) pa_loop_limit=INT_MAX;
361: }, "LIMITS.%s must be int");
1.361 moko 362:
1.425 moko 363: pa_array_limit=ARRAY_LIMIT;
364: CONF_OPTION(limits, array_limit_name, {
365: pa_array_limit=option->as_int();
366: if(pa_array_limit==0) pa_array_limit=INT_MAX;
367: }, "LIMITS.%s must be int");
368:
1.427 moko 369: pa_execute_recursion_limit=EXECUTE_RECURSION_LIMIT;
370: CONF_OPTION(limits, recursion_limit_name, {
371: pa_execute_recursion_limit=option->as_int();
1.445 moko 372: if(pa_execute_recursion_limit<=0) pa_execute_recursion_limit=INT_MAX;
373: pa_execute_recursion_limit=min(pa_execute_recursion_limit, INT_MAX-EXECUTE_RECURSION_RESERVE);
1.395 moko 374: }, "LIMITS.%s must be int");
1.445 moko 375: execute_recursion_limit=pa_execute_recursion_limit;
1.390 moko 376:
1.369 moko 377: pa_file_size_limit=FILE_SIZE_LIMIT;
1.395 moko 378: CONF_OPTION(limits, file_size_limit_name, {
379: double limit=option->as_double();
380: if(limit >= (double)SSIZE_MAX)
1.448 moko 381: throw Exception(PARSER_RUNTIME, 0, "$MAIN:LIMITS.%s must be less than %s", file_size_limit_name.cstr(), pa_itoa(SSIZE_MAX));
1.395 moko 382: pa_file_size_limit=(size_t)limit;
383: if(pa_file_size_limit==0)
384: pa_file_size_limit=SSIZE_MAX;
385: }, "LIMITS.%s must be number");
1.361 moko 386:
1.465 moko 387: pa_post_max_size=POST_MAX_SIZE;
388: CONF_OPTION(limits, post_max_size_name, {
389: double limit=option->as_double();
390: if(limit >= (double)SSIZE_MAX)
391: throw Exception(PARSER_RUNTIME, 0, "$MAIN:LIMITS.%s must be less than %s", post_max_size_name.cstr(), pa_itoa(SSIZE_MAX));
392: if(limit > 0)
393: pa_post_max_size=(size_t)limit;
394: }, "LIMITS.%s must be number");
395:
1.372 moko 396: pa_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, "$MAIN:LIMITS.%s must be less than %d", lock_wait_timeout_name.cstr(), 3600*24);
1.395 moko 401: pa_lock_attempts=(unsigned int)(limit*2)+1;
402: }, "LIMITS.%s must be number");
403:
404: Value* httpd=conf_class.get_element(httpd_name);
405:
406: pa_httpd_timeout=HTTPD_TIMEOUT;
407: CONF_OPTION(httpd, httpd_timeout_name, {
408: pa_httpd_timeout=option->as_int();
409: if(pa_httpd_timeout==0) pa_httpd_timeout=INT_MAX;
410: }, "HTTPD.%s must be int");
1.372 moko 411:
1.403 moko 412: if(httpd)
413: if(Value* option=httpd->get_element( httpd_mode_name)) {
414: if(option->get_junction())
1.415 moko 415: throw Exception(PARSER_RUNTIME, 0, "$MAIN:HTTPD:mode must be string");
1.403 moko 416: HTTPD_Server::set_mode(option->as_string());
417: }
1.402 moko 418:
1.458 moko 419: #ifdef CODE_CACHE
420: CONF_OPTION(httpd, httpd_code_cache_name, {
421: Code_cache_manager::set_enabled(option->as_bool());
422: }, "HTTPD.%s must be bool");
423: #endif
424:
1.227 paf 425: // configure method_frame options
1.208 paf 426: // until someone with less privileges have overriden them
1.248 paf 427: methoded_array().configure_admin(*this);
1.208 paf 428: }
1.150 parser 429:
1.442 moko 430: const char* Request::get_exception_cstr(const Exception& e, VException& details) {
1.349 moko 431:
1.269 paf 432: #define PA_URI_FORMAT "%s: "
1.349 moko 433: #define PA_COMMENT_TYPE_FORMAT "%s [%s]"
434:
1.269 paf 435: #define PA_ORIGIN_FILE_POS_FORMAT "%s(%d:%d): "
436: #define PA_SOURCE_FORMAT "'%s' "
1.349 moko 437:
438: #define PA_ORIGIN_FILE_POS_VALUE file_list[details.origin.file_no].cstr(), 1+details.origin.line, 1+details.origin.col,
439: #define PA_SOURCE_VALUE details.problem_source->cstr(),
440:
441: #define EXCEPTION_CSTR(f1,v1,f2,v2) \
1.466 ! moko 442: pa_snprintf(result, MAX_STRING, \
1.349 moko 443: PA_URI_FORMAT \
444: f1 f2 \
445: PA_COMMENT_TYPE_FORMAT, \
446: request_info.uri, \
447: v1 v2 \
448: e.comment(), e.type() \
449: );
450:
1.269 paf 451: char* result=new(PointerFreeGC) char[MAX_STRING];
452:
453: if(details.problem_source) { // do we know the guy?
1.349 moko 454: if(details.origin.file_no) // do whe know where he came from?
455: EXCEPTION_CSTR(PA_ORIGIN_FILE_POS_FORMAT, PA_ORIGIN_FILE_POS_VALUE, PA_SOURCE_FORMAT, PA_SOURCE_VALUE)
456: else
457: EXCEPTION_CSTR(PA_SOURCE_FORMAT, PA_SOURCE_VALUE,,)
458: } else {
459: if(details.origin.file_no) // do whe know where he came from?
460: EXCEPTION_CSTR(PA_ORIGIN_FILE_POS_FORMAT, PA_ORIGIN_FILE_POS_VALUE,,)
461: else
462: EXCEPTION_CSTR(,,,)
463: }
1.269 paf 464:
465: return result;
466: }
1.272 paf 467:
1.444 moko 468: Table &Request::Exception_trace::table(Request &r, const String* problem_source, size_t bottom, size_t top){
1.407 moko 469: // $stack[^table::create{name file lineno colno}]
470: Table::columns_type stack_trace_columns(new ArrayString);
471: *stack_trace_columns+=new String("name");
472: *stack_trace_columns+=new String("file");
473: *stack_trace_columns+=new String("lineno");
474: *stack_trace_columns+=new String("colno");
475: Table& stack_trace=*new Table(stack_trace_columns);
476:
1.444 moko 477: if(bottom<top)
478: for(size_t i=bottom+(get(bottom).name()==problem_source); i<top; i++) {
1.407 moko 479: Trace trace=get(i);
480: Table::element_type row(new ArrayString);
481:
482: *row+=trace.name(); // name column
483: Operation::Origin origin=trace.origin();
484: if(origin.file_no) {
485: *row+=new String(r.file_list[origin.file_no], String::L_TAINTED); // 'file' column
1.422 moko 486: *row+=new String(pa_uitoa(1+origin.line), String::L_CLEAN); // 'lineno' column
487: *row+=new String(pa_uitoa(1+origin.col), String::L_CLEAN); // 'colno' column
1.407 moko 488: }
489: stack_trace+=row;
490: }
491:
492: return stack_trace;
493: }
494:
1.272 paf 495: void Request::configure() {
496: // configure admin options if not configured yet
497: if(!configure_admin_done)
498: configure_admin(main_class);
499:
500: // $MAIN:MIME-TYPES
1.308 misha 501: if(Value* element=main_class.get_element(mime_types_name))
1.272 paf 502: if(Table *table=element->get_table())
1.395 moko 503: mime_types=table;
1.272 paf 504: }
1.408 moko 505:
1.459 moko 506: /// HEAD request: only the headers are sent
507: static bool is_header_only(Request_info& info) {
508: return info.method && strcasecmp(info.method, "HEAD")==0;
509: }
510:
1.64 paf 511: /**
512: load MAIN class, execute @main.
513: MAIN class consists of all the auto.p files we'd manage to find
514: plus
515: the file user requested us to process
516: all located classes become children of one another,
517: composing class we name 'MAIN'
1.180 paf 518:
519: @test log stack trace
520:
1.64 paf 521: */
1.459 moko 522: void Request::core(const char* config_filespec, const String &amain_method_name, const String* amain_class_name) {
523: bool header_only=is_header_only(request_info);
1.169 parser 524: try {
1.211 paf 525: // loading config
1.384 moko 526: if(config_filespec)
1.454 moko 527: use_file_directly(*new String(backslashes_to_slashes(config_filespec)));
1.8 paf 528:
1.338 moko 529: // filling mail received
530: mail.fill_received(*this);
531:
1.272 paf 532: try {
533: // compile requested file
1.389 moko 534: if(request_info.path_translated)
535: use_file_directly(*new String(request_info.path_translated, String::L_TAINTED), true, true /* load auto.p files */);
1.272 paf 536: configure();
537: } catch(...) {
538: configure(); // configure anyway, useful in @unhandled_exception [say, if they would want to mail by SMTP something]
539: rethrow;
540: }
1.25 paf 541:
1.412 moko 542: VStateless_class& main = amain_class_name ? get_class_ref(*amain_class_name) : main_class;
1.25 paf 543: // execute @main[]
1.412 moko 544: const String* body_string=amain_method_name.is_empty() ? &String::Empty : execute_method(main, amain_method_name);
1.41 paf 545: if(!body_string)
1.412 moko 546: throw Exception(PARSER_RUNTIME, &amain_method_name, "method not found in class %s", main.type());
1.79 paf 547:
1.464 moko 548: if(response.started==VResponse::WEBSOCKET)
549: websocket->close(); // graceful: waits for the Close of the client
550: // ignore the result in websocket or stream mode
551: if(response.started)
1.460 moko 552: return;
553:
1.250 paf 554: // extract response body
1.344 moko 555: Value* body_value=response.fields().get(download_name_upper); // $response:download?
1.430 moko 556: bool as_attachment=body_value!=0;
1.250 paf 557: if(!body_value)
1.344 moko 558: body_value=response.fields().get(body_name_upper); // $response:body
1.250 paf 559: if(!body_value)
560: body_value=new VString(*body_string); // just result of ^main[]
561:
1.119 paf 562: // @postprocess
1.383 moko 563: if(const Method *method=main_class.get_method(post_process_method_name)) {
564: METHOD_FRAME_ACTION(*method, 0 /*no parent*/, main_class, {
565: frame.store_params(&body_value, 1);
566: call(frame);
567: body_value=&frame.result();
568: });
569: }
1.90 paf 570:
1.430 moko 571: // can throw exceptions while handling $response:download[]
1.462 moko 572: output_result(body_value->as_vfile(response.lang, &charsets), header_only, as_attachment);
1.171 parser 573: } catch(const Exception& e) { // request handling problem
1.258 paf 574:
1.445 moko 575: // OK, as native execution stack has unwound
576: anti_endless_execute_recursion=0;
577:
1.431 moko 578: // we're returning not result, but error explanation
1.442 moko 579: VException& details=*new VException(*this, e);
1.431 moko 580: const char* exception_cstr=get_exception_cstr(e, details);
581:
582: // reset response
583: response.fields().clear();
1.462 moko 584: response.lang=response.default_lang;
1.431 moko 585: SAPI::clear_headers(sapi_info);
1.407 moko 586:
1.431 moko 587: // this is what we'd return in $response:body
588: const String* body_string=0;
1.407 moko 589:
1.431 moko 590: try {
1.407 moko 591: // maybe we'd be lucky enough as to report an error in a gracefull way...
592: if(const Method *method=main_class.get_method(*new String(UNHANDLED_EXCEPTION_METHOD_NAME))) {
593: // preparing parameters to @unhandled_exception[exception;stack]
594:
1.443 moko 595: Table& stack_trace=exception_trace.table(*this, details.problem_source);
1.444 moko 596: details.expire_trace();
1.407 moko 597: 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)
598:
1.442 moko 599: Value *params[]={&details, new VTable(&stack_trace)};
1.407 moko 600: METHOD_FRAME_ACTION(*method, 0 /*no caller*/, main_class, {
601: frame.store_params(params, 2);
602: call(frame);
603: body_string=&frame.result().as_string();
604: });
605: }
1.383 moko 606:
1.407 moko 607: // conditionally log it
1.442 moko 608: Value* vhandled=details.handled();
1.407 moko 609: if(!vhandled || !vhandled->as_bool()) {
610: SAPI::log(sapi_info, "%s", exception_cstr);
611: }
1.431 moko 612: } catch(const Exception& e) { // exception in @unhandled_exception
1.442 moko 613: VException& details=*new VException(*this, e);
1.431 moko 614: // logging both initial and new exceptions
615: SAPI::log(sapi_info, "%s", exception_cstr);
616: SAPI::log(sapi_info, "Exception in @unhandled_exception at %s", get_exception_cstr(e, details));
1.464 moko 617: if(!response.started)
1.460 moko 618: SAPI::send_error(sapi_info, "Exception in @unhandled_exception, details are available in Parser error log.");
1.431 moko 619: return;
620: }
1.383 moko 621:
1.431 moko 622: if(body_string) { // could report an error beautifully?
623: VString body_vstring(*body_string);
1.462 moko 624: output_result(body_vstring.as_vfile(response.lang, &charsets), header_only, false);
1.464 moko 625: } else if(!response.started) {
1.431 moko 626: // doing that ugly
627: SAPI::send_error(sapi_info, exception_cstr, strcmp(e.type(), "file.missing") ? "500" : "404");
1.268 paf 628: }
1.1 paf 629: }
630: }
631:
1.266 paf 632: uint Request::register_file(String::Body file_spec) {
1.248 paf 633: file_list+=file_spec;
634: return file_list.count()-1;
635: }
636:
1.387 moko 637: void Request::use_file_directly(const String& file_spec, bool fail_on_file_absence, bool with_auto_p) {
1.73 paf 638: // cyclic dependence check
1.318 misha 639: if(used_files.get(file_spec))
1.248 paf 640: return;
1.318 misha 641: used_files.put(file_spec, true);
642:
1.385 moko 643: if(!fail_on_file_absence && !entry_exists(file_spec)) // ignore file absence if asked for
644: return;
1.318 misha 645:
1.386 moko 646: if(with_auto_p) {
1.454 moko 647: // loading auto.p files from document_root/..
1.386 moko 648: // to the one beside requested file.
649: // all assigned bases from upper dir
650: const char* target=file_spec.cstr();
651:
652: // all relative paths are calculated from main document
653: request_info.path_translated=target;
654:
655: const char* after=target;
1.454 moko 656: size_t drlen=strlen(request_info.document_root_path);
1.457 moko 657: if(path_cmp(after, request_info.document_root_path, drlen)==0)
1.454 moko 658: after+=drlen; // to start from document_root/auto.p
1.386 moko 659:
660: while(const char* before=strchr(after, '/')) {
661: String& sfile_spec=*new String;
662: if(after!=target) {
663: sfile_spec.append_strdup(target, before-target, String::L_CLEAN);
664: sfile_spec << "/" AUTO_FILE_NAME;
665:
1.387 moko 666: use_file_directly(sfile_spec, false /*ignore absence, sole user*/);
1.386 moko 667: }
668: for(after=before+1;*after=='/';after++);
669: }
670: }
671:
1.458 moko 672: Code_cache* code=0;
673: #ifdef CODE_CACHE
674: if(Code_cache* cached=Code_cache_manager::get(file_spec)) {
675: use_buf(main_class, 0, 0, cached->file_no, 0, cached);
676: return;
677: }
678: // to record the compilation; only while the httpd config runs
679: code=Code_cache_manager::create(file_spec);
680: #endif
681:
1.385 moko 682: if(const char* source=file_read_text(charsets, file_spec, true))
1.458 moko 683: use_buf(main_class, source, 0, register_file(file_spec), 0, code);
1.318 misha 684: }
685:
686:
1.454 moko 687: void Request::use_file(const String& afile_name, const String* use_filespec/*absolute*/, bool with_auto_p) {
688: if(afile_name.is_empty())
1.366 moko 689: throw Exception(PARSER_RUNTIME, 0, "usage failed - no filename was specified");
1.326 misha 690:
1.318 misha 691: const String* filespec=0;
1.454 moko 692: const String& file_name=backslashes_to_slashes(afile_name);
1.318 misha 693:
1.454 moko 694: 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
695: filespec=&full_disk_path(afile_name);
1.318 misha 696: else if(use_filespec){ // search in current dir first
1.454 moko 697: size_t last_slash_pos=use_filespec->strrchr('/');
1.331 misha 698: if(last_slash_pos!=STRING_NOT_FOUND)
699: filespec=file_exist(use_filespec->mid(0, last_slash_pos), file_name); // found in current dir?
1.318 misha 700: }
701:
702: if(!filespec){
703: // prevent multiple scan CLASS_PATH for searching one file
704: if(searched_along_class_path.get(file_name))
705: return;
706: searched_along_class_path.put(file_name, true);
1.308 misha 707: if(Value* element=main_class.get_element(class_path_name)) {
1.233 paf 708: if(element->is_string()) {
1.388 moko 709: filespec=file_exist(full_disk_path(element->as_string()), file_name); // found at class_path?
1.233 paf 710: } else if(Table *table=element->get_table()) {
1.318 misha 711: for(size_t i=table->count(); i--; ) {
1.248 paf 712: const String& path=*(*table->get(i))[0];
1.388 moko 713: if(filespec=file_exist(full_disk_path(path), file_name))
1.233 paf 714: break; // found along class_path
715: }
716: } else
1.366 moko 717: throw Exception(PARSER_RUNTIME, 0, "$" CLASS_PATH_NAME " must be string or table");
1.318 misha 718: if(!filespec)
1.415 moko 719: throw Exception(PARSER_RUNTIME, &file_name, "not found along $MAIN:" CLASS_PATH_NAME);
1.318 misha 720: } else
1.415 moko 721: throw Exception(PARSER_RUNTIME, &file_name, "usage failed - no $MAIN:" CLASS_PATH_NAME " were specified");
1.148 parser 722: }
1.230 paf 723:
1.387 moko 724: use_file_directly(*filespec, true, with_auto_p);
1.16 paf 725: }
726:
1.364 moko 727: void Request::use_file(const String& file_name, const String* use_filespec/*absolute*/, Operation::Origin origin) {
1.349 moko 728: static String use("USE");
729: try {
1.364 moko 730: static VHash* voptions=new VHash();
1.376 moko 731: if(const Method *method=main_class.get_method(use_method_name)){
1.364 moko 732: Value *params[]={new VString(file_name), voptions};
733: voptions->hash().put(origin_key, new VString(*use_filespec));
734:
735: CONSTRUCTOR_FRAME_ACTION(*method, 0 /*no parent*/, main_class, {
736: frame.store_params(params, 2);
737: // we don't need the result
738: call(frame);
739: });
740: }
1.349 moko 741: } catch (...) {
742: exception_trace.push(Trace(&use, origin));
743: rethrow;
744: }
745: }
1.208 paf 746:
1.458 moko 747: 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 748: // temporary zero @conf to avoid it second execution
1.248 paf 749: Temp_method temp_method_conf(aclass, conf_method_name, 0);
1.358 moko 750: // temporary zero @auto to avoid it second execution
1.248 paf 751: Temp_method temp_method_auto(aclass, auto_method_name, 0);
1.233 paf 752:
1.295 misha 753: // compile loaded classes
1.458 moko 754: ArrayClass& cclasses=
755: #ifdef CODE_CACHE
756: !source ? code->replay(*this, aclass) :
757: #endif
758: compile(&aclass, source, main_alias, file_no, line_no_offset, code);
1.212 paf 759:
1.248 paf 760: VString* vfilespec=
1.435 moko 761: new VString(file_list[file_no]);
1.295 misha 762:
763: for(size_t i=0; i<cclasses.count(); i++){
764: VStateless_class& cclass=*cclasses.get(i);
1.296 misha 765:
766: // locate and execute possible @conf[] static
1.382 moko 767: if(execute_method_if_exists(cclass, conf_method_name, vfilespec))
1.295 misha 768: configure_admin(cclass/*, executed.method->name*/);
769:
770: // locate and execute possible @auto[] static
1.419 moko 771: execute_auto_method_if_exists(cclass, auto_method_name, vfilespec);
1.336 moko 772:
773: cclass.enable_default_setter();
1.295 misha 774: }
1.19 paf 775: }
776:
1.248 paf 777: const String& Request::relative(const char* apath, const String& relative_name) {
1.452 moko 778: // apath is a URI or a path already normalized by the target, always slash separated
1.341 moko 779: char *hpath=pa_strdup(apath);
1.248 paf 780: String& result=*new String;
781: if(rsplit(hpath, '/')) // if something/splitted
1.217 paf 782: result << hpath << "/";
1.248 paf 783: result << relative_name;
784: return result;
1.19 paf 785: }
786:
1.454 moko 787: void Request_info::set_document_root(const char* adocument_root) {
788: document_root=adocument_root;
789: char* path=backslashes_to_slashes(adocument_root);
790: if(path) {
791: size_t length=strlen(path);
792: while(length && path[length-1]=='/')
793: path[--length]=0;
794: }
795: document_root_path=path;
796: }
797:
1.453 moko 798: const String& Request::full_disk_path(const String& relative_name, uint allowed) {
1.454 moko 799: if(relative_name.first_char()!='/') {
800: if(uint scheme=path_scheme(relative_name)) {
801: check_path_scheme(scheme, relative_name, allowed);
802: if(scheme!=PA_SCHEME_FILE)
803: return relative_name; // an allowed uri is passed through
804: if(const String* path=file_uri_to_path(relative_name))
805: return backslashes_to_slashes(*path);
1.455 moko 806: #ifdef WIN32
807: throw Exception(PARSER_RUNTIME, &relative_name, "must be file:///path, file://localhost/path or file://server/share/path");
808: #else
1.454 moko 809: throw Exception(PARSER_RUNTIME, &relative_name, "must be file:///path or file://localhost/path");
1.455 moko 810: #endif
1.454 moko 811: }
812: // before '\' becomes '/', to avoid mixing the UNC path \\server with web path //server
813: if(is_os_absolute_path(relative_name))
814: return backslashes_to_slashes(relative_name);
1.453 moko 815: }
1.389 moko 816:
1.454 moko 817: const String& path=backslashes_to_slashes(relative_name);
818: if(path.first_char()!='/')
819: return relative(request_info.path_translated ? request_info.path_translated : pa_strcat(request_info.document_root_path, "/"), path);
820:
821: String& result=*new String(request_info.document_root_path);
822: result << path;
823: return result;
1.1 paf 824: }
1.45 paf 825:
1.453 moko 826: const String* Request::real_disk_path(const String& name) {
827: switch(path_scheme(name)) {
828: case PA_SCHEME_NONE: return &full_disk_path(name);
1.454 moko 829: case PA_SCHEME_FILE: {
1.456 moko 830: const String* path=clean_path_scheme(PA_SCHEME_FILE, name) ? file_uri_to_path(name) : 0;
1.454 moko 831: return path ? &backslashes_to_slashes(*path) : 0;
832: }
1.453 moko 833: default: return 0; // not a disk path
834: }
835: }
836:
1.267 paf 837: #ifndef DOXYGEN
838: class Add_header_attribute_info
839: {
840: public:
841: Add_header_attribute_info(Request& ar) : r(ar), add_last_modified(true) {}
842: Request& r;
843: bool add_last_modified;
844: };
845: #endif
1.344 moko 846: static void add_header_attribute(HashStringValue::key_type name, HashStringValue::value_type value, Add_header_attribute_info* info) {
847: if(name==BODY_NAME_UPPER || name==DOWNLOAD_NAME_UPPER || name==CHARSET_NAME_UPPER)
1.101 paf 848: return;
1.290 misha 849:
1.345 moko 850: if(name==LAST_MODIFIED_NAME_UPPER)
851: info->add_last_modified=false;
852:
1.316 misha 853: const char* aname=String(name, String::L_URI).untaint_and_transcode_cstr(String::L_URI, &info->r.charsets);
1.101 paf 854:
1.267 paf 855: SAPI::add_header_attribute(info->r.sapi_info,
1.345 moko 856: aname,
1.316 misha 857: attributed_meaning_to_string(*value, String::L_URI, false).untaint_and_transcode_cstr(String::L_URI, &info->r.charsets)
1.303 misha 858: );
1.267 paf 859: }
860:
1.366 moko 861: static void output_sole_piece(Request& r, bool header_only, VFile& body_file, Value* body_file_content_type) {
1.267 paf 862: // transcode text body when "text/*" or simple result
863: String::C output(body_file.value_ptr(), body_file.value_size());
864: if(!body_file_content_type/*vstring.as_vfile*/ || body_file_content_type->as_string().pos("text/")==0)
1.366 moko 865: output=Charset::transcode(output, r.charsets.source(), r.charsets.client());
1.267 paf 866:
1.311 misha 867: // prepare header: Content-Length
1.428 moko 868: SAPI::add_header_attribute(r.sapi_info, HTTP_CONTENT_LENGTH, pa_uitoa(output.length));
1.267 paf 869:
870: // send header
1.430 moko 871: SAPI::send_headers(r.sapi_info);
1.267 paf 872:
873: // send body
874: if(!header_only)
875: SAPI::send_body(r.sapi_info, output.str, output.length);
876: }
877:
878: #ifndef DOXYGEN
879: struct Range
880: {
1.396 moko 881: uint64_t start;
882: uint64_t end;
1.267 paf 883: };
884: #endif
1.396 moko 885:
886: #define UNSET ((uint64_t)-1)
887:
1.313 misha 888: static void parse_range(const String* s, Array<Range> &ar) {
1.267 paf 889: const char *p = s->cstr();
890: if(s->starts_with("bytes="))
891: p += 6;
892: Range r;
893: while(*p){
1.396 moko 894: r.start = UNSET;
895: r.end = UNSET;
1.401 moko 896:
897: while(*p==' ' || *p=='\t') p++;
898:
1.267 paf 899: if(*p >= '0' && *p <= '9'){
1.416 moko 900: const char *n=p;
1.401 moko 901: while(*p>='0' && *p<='9') p++;
1.440 moko 902: r.start = pa_atoul(pa_strdup(n, p-n)); // ((uint64_t)-1) is treated as UNSET
1.267 paf 903: }
1.401 moko 904:
905: while(*p==' ' || *p=='\t') p++;
906:
1.267 paf 907: if(*p++ != '-') break;
1.401 moko 908:
909: while(*p==' ' || *p=='\t') p++;
910:
1.267 paf 911: if(*p >= '0' && *p <= '9'){
1.416 moko 912: const char *n=p;
1.401 moko 913: while(*p>='0' && *p<='9') p++;
1.440 moko 914: r.end = pa_atoul(pa_strdup(n, p-n)); // ((uint64_t)-1) is treated as UNSET
1.267 paf 915: }
1.401 moko 916:
917: while(*p==' ' || *p=='\t') p++;
918:
919: if(*p)
920: if(*p++ != ',') break;
921:
1.267 paf 922: ar += r;
923: }
1.101 paf 924: }
1.267 paf 925:
1.400 moko 926: struct Send_range_action_info {
927: Request *r;
928: uint64_t offset;
929: uint64_t part_length;
930: };
931:
932: static void send_range(struct stat& /*finfo*/, int f, const String& /*file_spec*/, void *context){
933: Send_range_action_info &info = *(Send_range_action_info*)context;
934:
1.430 moko 935: SAPI::send_headers(info.r->sapi_info);
1.400 moko 936: pa_lseek(f, info.offset, SEEK_SET);
937:
1.432 moko 938: char buf[FILE_BUFFER_SIZE];
1.400 moko 939: do{
1.432 moko 940: size_t to_read = info.part_length < FILE_BUFFER_SIZE ? (size_t)info.part_length : FILE_BUFFER_SIZE;
1.400 moko 941: size_t to_write = file_block_read(f, buf, to_read);
942:
943: if(to_write == 0)
944: break;
945:
946: size_t size = SAPI::send_body(info.r->sapi_info, buf, to_write);
947: if(size != to_write)
948: break;
949:
950: info.part_length -= to_write;
951: } while (info.part_length);
952: }
953:
1.396 moko 954: 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 955: SAPI::add_header_attribute(r.sapi_info, "accept-ranges", "bytes");
1.270 paf 956:
1.339 moko 957: const char *range = SAPI::Env::get(r.sapi_info, "HTTP_RANGE");
1.396 moko 958: uint64_t offset=0;
959: uint64_t part_length=content_length;
1.401 moko 960:
961: if(range && content_length){
1.267 paf 962: Array<Range> ar;
963: parse_range(new String(range), ar);
1.396 moko 964: int count = ar.count();
1.267 paf 965: if(count == 1){
966: Range &rg = ar.get_ref(0);
1.401 moko 967:
968: if(rg.start == UNSET && rg.end == UNSET)
969: return SAPI::send_error(r.sapi_info, "", "416");
970:
1.396 moko 971: if(rg.start == UNSET && rg.end != UNSET){
1.440 moko 972: if(rg.end == 0)
973: return SAPI::send_error(r.sapi_info, "", "416");
1.401 moko 974: if(rg.end > content_length)
975: rg.end = content_length;
1.404 moko 976: rg.start = content_length - rg.end;
977: rg.end = content_length-1;
1.401 moko 978: } else if(rg.start != UNSET && rg.end == UNSET){
979: if(rg.start >= content_length)
980: return SAPI::send_error(r.sapi_info, "", "416");
1.267 paf 981: rg.end = content_length-1;
1.401 moko 982: } else {
983: if(rg.start >= content_length || rg.start > rg.end)
984: return SAPI::send_error(r.sapi_info, "", "416");
985: if(rg.end >= content_length)
986: rg.end = content_length-1;
1.267 paf 987: }
1.401 moko 988:
989: offset = rg.start;
990: part_length = rg.end-rg.start+1;
991:
1.400 moko 992: char buf[MAX_STRING];
1.466 ! moko 993: pa_snprintf(buf, MAX_STRING, "bytes %s-%s/%s", pa_uitoa(rg.start), pa_uitoa(rg.end), pa_uitoa(content_length));
1.401 moko 994: SAPI::add_header_attribute(r.sapi_info, HTTP_STATUS, "206");
1.315 misha 995: SAPI::add_header_attribute(r.sapi_info, "content-range", buf);
1.401 moko 996: } else {
1.410 moko 997: return SAPI::send_error(r.sapi_info, count ? "Multiple ranges are not supported" : "Invalid range", count ? "501" : "400");
1.267 paf 998: }
999: }
1000:
1.428 moko 1001: SAPI::add_header_attribute(r.sapi_info, HTTP_CONTENT_LENGTH, pa_uitoa(part_length));
1.267 paf 1002:
1.314 misha 1003: if(add_last_modified)
1.315 misha 1004: SAPI::add_header_attribute(r.sapi_info, "last-modified", attributed_meaning_to_string(date, String::L_AS_IS, true).cstr());
1.314 misha 1005:
1.414 moko 1006: if(header_only){
1.430 moko 1007: SAPI::send_headers(r.sapi_info);
1.414 moko 1008: } else {
1.400 moko 1009: Send_range_action_info info = { &r, offset, part_length};
1010: file_read_action_under_lock(r.full_disk_path(filename), "send", send_range, &info);
1.267 paf 1011: }
1012: }
1013:
1.248 paf 1014: void Request::output_result(VFile* body_file, bool header_only, bool as_attachment) {
1.464 moko 1015: if(response.started)
1.460 moko 1016: return;
1017:
1.51 paf 1018: // header: cookies
1.248 paf 1019: cookie.output_result(sapi_info);
1.51 paf 1020:
1.394 moko 1021: // $.file and $.name (when body is real vfile)
1022: Value* vfile = body_file->fields().get(response_body_file_name);
1023: Value* vname = body_file->fields().get(name_name);
1024:
1025: const String* sfile = vfile ? &vfile->as_string() : NULL;
1026: const String* sname = vname ? &vname->as_string() : NULL;
1027:
1028: if(sname && *sname == NONAME_DAT)
1029: sname = NULL;
1.92 paf 1030:
1.409 moko 1031: // Content-Disposition, use $.name[<empty>] to avoid
1.394 moko 1032: const String* disposition_name = sname ? sname->is_empty() ? NULL : sname : sfile;
1033: if(disposition_name) {
1.420 moko 1034: String& filename = *new String(pa_filename(disposition_name->cstr()), String::L_URI);
1035: String& filename_asterisk = *new String(charsets.client().NAME(), String::L_CLEAN) << (*new String("''")) << filename;
1036:
1.394 moko 1037: VHash& hash=*new VHash();
1038: hash.hash().put(value_name, new VString(as_attachment ? content_disposition_attachment : content_disposition_inline));
1.420 moko 1039: hash.hash().put(content_disposition_filename_name, new VString(filename));
1040: hash.hash().put(content_disposition_filename_name_asterisk, new VString(filename_asterisk));
1.394 moko 1041: response.fields().put(content_disposition_name_upper, &hash);
1042: }
1.267 paf 1043:
1.394 moko 1044: // _file_ content-type might be specified
1045: Value* body_file_content_type = body_file->fields().get(content_type_name);
1046: if(!body_file_content_type){
1047: const String* scontent_name = sname && !sname->is_empty() ? sname : sfile;
1048: if(scontent_name)
1049: body_file_content_type = new VString(mime_type_of(scontent_name->cstr()));
1.267 paf 1050: }
1051:
1.312 misha 1052: // set Content-Type
1.314 misha 1053: if(body_file_content_type) {
1054: // body file content type
1.344 moko 1055: response.fields().put(content_type_name_upper, body_file_content_type);
1.314 misha 1056: } else {
1057: // default content type
1.344 moko 1058: response.fields().put_dont_replace(content_type_name_upper, new VString(*new String(DEFAULT_CONTENT_TYPE)));
1.314 misha 1059: }
1.312 misha 1060:
1.314 misha 1061: // prepare header: $response:fields without :body, :download and :charset
1.267 paf 1062: Add_header_attribute_info info(*this);
1.281 paf 1063: response.fields().for_each<Add_header_attribute_info*>(add_header_attribute, &info);
1.50 paf 1064:
1.394 moko 1065: if(sfile) {
1.314 misha 1066: // $response:[download|body][$.file[filespec]] -- optput specified file
1.367 moko 1067: uint64_t content_length=0;
1.267 paf 1068: time_t atime=0, mtime=0, ctime=0;
1.394 moko 1069: file_stat(full_disk_path(*sfile), content_length, atime, mtime, ctime);
1.267 paf 1070:
1071: VDate* vdate=0;
1072: if(Value* v=body_file->fields().get("mdate")) {
1.423 moko 1073: vdate=dynamic_cast<VDate*>(v);
1074: if(!vdate)
1.286 misha 1075: throw Exception(PARSER_RUNTIME, 0, "mdate must be a date");
1.267 paf 1076: }
1077: if(!vdate)
1.346 moko 1078: vdate=new VDate((pa_time_t)mtime);
1.62 paf 1079:
1.399 moko 1080: output_pieces(*this, header_only, *sfile, content_length, *vdate, info.add_last_modified);
1.267 paf 1081: } else {
1.314 misha 1082: if(body_file_content_type)
1083: if(HashStringValue *hash=body_file_content_type->get_hash())
1084: body_file_content_type=hash->get(value_name);
1085:
1.366 moko 1086: output_sole_piece(*this, header_only, *body_file, body_file_content_type);
1.267 paf 1087: }
1.50 paf 1088: }
1.104 paf 1089:
1.464 moko 1090: void Request::start(VResponse::Started mode) {
1091: // the headers: cookies and $response:fields, without Content-Length
1092: // prepare before response.started is set: after that an exception is not reported to the client
1093: cookie.output_result(sapi_info);
1094: Add_header_attribute_info info(*this);
1095: response.fields().for_each<Add_header_attribute_info*>(add_header_attribute, &info);
1096: response.started=mode;
1097: SAPI::send_headers(sapi_info);
1098: }
1099:
1.463 moko 1100: void Request::stream(Value& part) {
1.464 moko 1101: if(response.started==VResponse::WEBSOCKET)
1102: throw Exception("websocket", 0, "unable to stream: websocket is active");
1103:
1104: // convert before response.started is set: after that an exception is not reported to the client
1.460 moko 1105: VFile* file=dynamic_cast<VFile*>(&part);
1.462 moko 1106: 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 1107: if(!file || file->is_text_mode())
1108: output=Charset::transcode(output, charsets.source(), charsets.client());
1109:
1.464 moko 1110: if(!response.started) {
1.460 moko 1111: response.fields().put_dont_replace(content_type_name_upper, new VString(*new String(DEFAULT_CONTENT_TYPE)));
1.464 moko 1112: start(VResponse::STREAM);
1.460 moko 1113: }
1114:
1115: if(!is_header_only(request_info))
1116: SAPI::send_body(sapi_info, output.str, output.length);
1117: }
1118:
1.328 misha 1119: const String& Request::mime_type_of(const String* file_name) {
1120: return mime_type_of(file_name?file_name->taint_cstr(String::L_FILE_SPEC):0);
1121: }
1122:
1.248 paf 1123: const String& Request::mime_type_of(const char* user_file_name_cstr) {
1.104 paf 1124: if(mime_types)
1.248 paf 1125: if(const char* cext=strrchr(user_file_name_cstr, '.')) {
1126: String sext(++cext);
1.246 paf 1127: Table::Action_options options;
1.342 moko 1128: if(mime_types->locate(0, sext.change_case(charsets.source(), String::CC_LOWER), options)) {
1.313 misha 1129: if(const String* result=mime_types->item(1))
1130: return *result;
1.104 paf 1131: else
1.395 moko 1132: throw Exception(PARSER_RUNTIME, 0, MIME_TYPES_NAME " table column elements must not be empty");
1.342 moko 1133: }
1.104 paf 1134: }
1.248 paf 1135:
1136: return *new String("application/octet-stream");
1137: }
1138:
1.365 moko 1139: const String* Request::get_used_filespec(uint file_no){
1.318 misha 1140: if(file_no < file_list.count())
1141: return new String(file_list[file_no], String::L_TAINTED);
1142: return 0;
1143: }
1144:
1.248 paf 1145: #ifdef XML
1.280 paf 1146: xmlChar* Request::transcode(const String& s) {
1.248 paf 1147: return charsets.source().transcode(s);
1148: }
1149:
1.280 paf 1150: xmlChar* Request::transcode(const String::Body s) {
1.248 paf 1151: return charsets.source().transcode(s);
1152: }
1153:
1.280 paf 1154: const String& Request::transcode(const xmlChar* s) {
1.248 paf 1155: return charsets.source().transcode(s);
1.233 paf 1156: }
1.248 paf 1157: #endif
1158:
1.442 moko 1159: VException::VException(Request& r, const Exception& e):
1160: fexception(e), fhandled(&VBool::get(false)),
1.444 moko 1161: ftrace_bottom(r.exception_trace.bottom_index()), ftrace_top(r.exception_trace.top_index()),
1.442 moko 1162: origin(Operation::Origin::create(0, 0, 0)), problem_source(e.problem_source()) {
1163: Request::Exception_trace& exception_trace=r.exception_trace;
1.248 paf 1164:
1.349 moko 1165: if(!exception_trace.is_empty()) {
1.442 moko 1166: Request::Trace bottom=exception_trace.bottom_value();
1.350 moko 1167: origin=bottom.origin();
1.443 moko 1168: if(!problem_source) // we don't know who trigged the bug
1.350 moko 1169: problem_source=bottom.name(); // we usually know source of next-from-throw-point exception did that
1.248 paf 1170: }
1.442 moko 1171: if(origin.file_no)
1172: ffile=r.file_list[origin.file_no];
1173: }
1174:
1175: Value* VException::handled() {
1176: return fhash ? fhash->get(Symbols::HANDLED_SYMBOL) : fhandled;
1177: }
1.248 paf 1178:
1.444 moko 1179: Table& VException::stack(Request& r) {
1180: if(ftrace_top==size_t(-1))
1181: throw Exception(PARSER_RUNTIME, 0, "exception stack used outside of context");
1182: return r.exception_trace.table(r, problem_source, ftrace_bottom, ftrace_top);
1183: }
1184:
1.442 moko 1185: Value* VException::get_element(const String& name) {
1186: if(!fhash) {
1187: if(SYMBOLS_EQ(name,HANDLED_SYMBOL))
1188: return fhandled;
1189: if(SYMBOLS_EQ(name,TYPE_SYMBOL))
1190: return fexception.type(true) ? new VString(*new String(fexception.type())) : 0;
1191: if(SYMBOLS_EQ(name,SOURCE_SYMBOL))
1192: return problem_source ? new VString(*problem_source) : 0;
1193: if(SYMBOLS_EQ(name,COMMENT_SYMBOL))
1194: return fexception.comment(true) ? new VString(fexception.comment()) : 0;
1195: if(SYMBOLS_EQ(name,FILE_SYMBOL))
1196: return origin.file_no ? new VString(ffile) : 0;
1197: if(SYMBOLS_EQ(name,LINENO_SYMBOL))
1198: return origin.file_no ? new VInt(1+origin.line) : 0;
1199: if(SYMBOLS_EQ(name,COLNO_SYMBOL))
1200: return origin.file_no ? new VInt(1+origin.col) : 0;
1201: if(SYMBOLS_EQ(name,FIELDS_SYMBOL))
1202: return this;
1203: }
1204: // Computed field names need not be interned: use ordinary hash lookup.
1205: return VHashReference::get_element(name);
1206: }
1207:
1208: const VJunction* VException::put_element(const String& name, Value* value) {
1209: if(!fhash && SYMBOLS_EQ(name,HANDLED_SYMBOL)) {
1210: fhandled=value;
1211: return 0;
1212: }
1213: return VHashReference::put_element(name, value);
1214: }
1215:
1216: HashStringValue& VException::hash() {
1217: if(fhash)
1218: return *fhash;
1219: HashStringValue& result=*new HashStringValue;
1.248 paf 1220:
1.442 moko 1221: if(const char* type=fexception.type(true))
1222: result.put(Symbols::TYPE_SYMBOL, new VString(*new String(type)));
1.349 moko 1223: if(problem_source)
1.442 moko 1224: result.put(Symbols::SOURCE_SYMBOL, new VString(*problem_source));
1225: if(origin.file_no) {
1226: result.put(Symbols::FILE_SYMBOL, new VString(ffile));
1227: result.put(Symbols::LINENO_SYMBOL, new VInt(1+origin.line));
1228: result.put(Symbols::COLNO_SYMBOL, new VInt(1+origin.col));
1229: }
1230: if(const char* comment=fexception.comment(true))
1231: result.put(Symbols::COMMENT_SYMBOL, new VString(comment));
1232: result.put(Symbols::HANDLED_SYMBOL, fhandled);
1.248 paf 1233:
1.442 moko 1234: fhash=&result;
1235: return result;
1.133 parser 1236: }
1.337 moko 1237:
1238: Temp_value_element::Temp_value_element(Request& arequest, Value& awhere, const String& aname, Value* awhat) :
1239: frequest(arequest),
1240: fwhere(awhere),
1241: fname(aname),
1242: saved(awhere.get_element(aname))
1243: {
1244: Junction* junction;
1245: if(saved && (junction=saved->get_junction()) && junction->is_getter)
1246: saved=0;
1247: frequest.put_element(fwhere, aname, awhat);
1248: }
1249:
1250: Temp_value_element::~Temp_value_element() {
1251: frequest.put_element(fwhere, fname, saved ? saved : VVoid::get());
1252: }
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