Annotation of parser3/src/main/pa_request.C, revision 1.309
1.54 paf 1: /** @file
1.55 paf 2: Parser: request class main part. @see compile.C and execute.C.
3:
1.299 misha 4: Copyright (c) 2001-2009 ArtLebedev Group (http://www.artlebedev.com)
1.194 paf 5: Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)
1.218 paf 6: */
1.55 paf 7:
1.309 ! misha 8: static const char * const IDENT_REQUEST_C="$Date: 2009-08-08 13:30:21 $";
1.1 paf 9:
1.69 paf 10: #include "pa_sapi.h"
1.53 paf 11: #include "pa_common.h"
1.1 paf 12: #include "pa_request.h"
1.3 paf 13: #include "pa_wwrapper.h"
14: #include "pa_vclass.h"
1.31 paf 15: #include "pa_globals.h"
1.30 paf 16: #include "pa_vint.h"
1.297 misha 17: #include "pa_vmethod_frame.h"
1.32 paf 18: #include "pa_types.h"
1.248 paf 19: #include "pa_venv.h"
20: #include "pa_vmath.h"
21: #include "pa_vstatus.h"
22: #include "pa_vrequest.h"
1.78 paf 23: #include "pa_vtable.h"
1.90 paf 24: #include "pa_vfile.h"
1.147 parser 25: #include "pa_dictionary.h"
1.208 paf 26: #include "pa_charset.h"
1.186 paf 27: #include "pa_charsets.h"
1.248 paf 28: #include "pa_cache_managers.h"
29: #include "pa_vmail.h"
30: #include "pa_vform.h"
31: #include "pa_vcookie.h"
32: #include "pa_vresponse.h"
33: #include "pa_vmemory.h"
1.253 paf 34: #include "pa_vconsole.h"
1.267 paf 35: #include "pa_vdate.h"
1.159 parser 36:
1.248 paf 37: // consts
38:
1.269 paf 39: #define UNHANDLED_EXCEPTION_METHOD_NAME "unhandled_exception"
1.207 paf 40:
1.82 paf 41: /// content type of exception response, when no @MAIN:exception handler defined
1.248 paf 42: const char* UNHANDLED_EXCEPTION_CONTENT_TYPE="text/plain";
1.82 paf 43:
44: /// content type of response when no $MAIN:defaults.content-type defined
1.248 paf 45: const char* DEFAULT_CONTENT_TYPE="text/html";
46: const char* ORIGINS_CONTENT_TYPE="text/plain";
47:
48: // defines for globals
49:
50: #define MAIN_METHOD_NAME "main"
51: #define AUTO_METHOD_NAME "auto"
1.309 ! misha 52: #define AUTOUSE_METHOD_NAME "autouse"
1.248 paf 53: #define BODY_NAME "body"
54: #define EXCEPTION_TYPE_PART_NAME "type"
55: #define EXCEPTION_SOURCE_PART_NAME "source"
56: #define EXCEPTION_COMMENT_PART_NAME "comment"
57:
58: // globals
59:
60: const String main_method_name(MAIN_METHOD_NAME);
61: const String auto_method_name(AUTO_METHOD_NAME);
1.309 ! misha 62: const String autouse_method_name(AUTOUSE_METHOD_NAME);
1.289 misha 63: const String content_transfer_encoding_name(CONTENT_TRANSFER_ENCODING_NAME);
1.248 paf 64: const String content_disposition_name(CONTENT_DISPOSITION_NAME);
1.282 misha 65: const String content_disposition_inline(CONTENT_DISPOSITION_INLINE);
1.288 misha 66: const String content_disposition_attachment(CONTENT_DISPOSITION_ATTACHMENT);
1.248 paf 67: const String content_disposition_filename_name(CONTENT_DISPOSITION_FILENAME_NAME);
68: const String body_name(BODY_NAME);
69: const String exception_type_part_name(EXCEPTION_TYPE_PART_NAME);
70: const String exception_source_part_name(EXCEPTION_SOURCE_PART_NAME);
71: const String exception_comment_part_name(EXCEPTION_COMMENT_PART_NAME);
72: const String exception_handled_part_name(EXCEPTION_HANDLED_PART_NAME);
73:
74: // defines for statics
75:
76: #define CHARSETS_NAME "CHARSETS"
77: #define MIME_TYPES_NAME "MIME-TYPES"
78: #define ORIGINS_MODE_NAME "ORIGINS"
79: #define CONF_METHOD_NAME "conf"
80: #define POST_PROCESS_METHOD_NAME "postprocess"
81: #define DOWNLOAD_NAME "download"
82: #define CLASS_PATH_NAME "CLASS_PATH"
1.277 paf 83: #define RESPONSE_BODY_FILE_NAME "file"
1.248 paf 84:
85: // statics
86:
87: static const String charsets_name(CHARSETS_NAME);
88: static const String main_class_name(MAIN_CLASS_NAME);
89: static const String mime_types_name(MIME_TYPES_NAME);
90: static const String origins_mode_name(ORIGINS_MODE_NAME);
91: static const String conf_method_name(CONF_METHOD_NAME);
92: static const String post_process_method_name(POST_PROCESS_METHOD_NAME);
93: static const String download_name(DOWNLOAD_NAME);
94: static const String class_path_name(CLASS_PATH_NAME);
1.277 paf 95: static const String response_body_file_name(RESPONSE_BODY_FILE_NAME);
1.248 paf 96:
97: // defines
1.82 paf 98:
1.233 paf 99: // op.C
1.248 paf 100: VStateless_class& VClassMAIN_create();
1.123 paf 101:
1.157 parser 102: //
1.248 paf 103: Request::Request(SAPI_Info& asapi_info, Request_info& arequest_info,
1.252 paf 104: String::Language adefault_lang, bool status_allowed):
1.248 paf 105: // private
106: anti_endless_execute_recoursion(0),
107:
108: // public
109: method_frame(0),
110: rcontext(0),
111: wcontext(0),
112: flang(adefault_lang),
1.191 paf 113: fconnection(0),
1.307 misha 114: finterrupted(false),
115: fskip(SKIP_NOTHING),
116: fin_cycle(0),
1.248 paf 117:
118: // public
1.183 paf 119: #ifdef RESOURCES_DEBUG
1.248 paf 120: sql_connect_time(0),
121: sql_request_time(0),
122: #endif
123:
124: // public
1.257 paf 125: request_info(arequest_info),
1.248 paf 126: sapi_info(asapi_info),
127: charsets(UTF8_charset, UTF8_charset, UTF8_charset), // default charsets
128:
129: main_class(VClassMAIN_create()),
1.260 paf 130: form(*new VForm(charsets, arequest_info)),
1.248 paf 131: mail(*new VMail),
132: response(*new VResponse(arequest_info, charsets)),
1.298 misha 133: cookie(*new VCookie(charsets, arequest_info)),
1.285 misha 134: console(*new VConsole),
1.248 paf 135:
136: // private
137: configure_admin_done(false),
138:
139: // private defaults
140: fdefault_lang(adefault_lang),
141: // private mime types
142: mime_types(0)
1.157 parser 143: {
1.261 paf 144: pa_register_thread_request(*this);
145:
1.248 paf 146: // file_no=0 => unknown
1.263 paf 147: file_list+=String::Body("UNKNOWN");
148: file_list+=String::Body("-body of process-"); // pseudo_file_no__process
1.186 paf 149:
1.178 paf 150: // maybe expire old caches
1.264 paf 151: cache_managers->maybe_expire();
1.178 paf 152:
1.157 parser 153: /// directly used
1.233 paf 154: // MAIN class, operators
1.235 paf 155: classes().put(main_class.name(), &main_class);
1.157 parser 156: // classes:
157: // table, file, random, mail, image, ...
1.248 paf 158: methoded_array().register_directly_used(*this);
1.157 parser 159:
160: /// methodless
161: // env class
1.249 paf 162: classes().put(String::Body(ENV_CLASS_NAME), new VEnv(asapi_info));
1.175 paf 163: // status class
1.179 paf 164: if(status_allowed)
1.249 paf 165: classes().put(String::Body(STATUS_CLASS_NAME), new VStatus());
1.157 parser 166: // request class
1.294 misha 167: classes().put(String::Body(REQUEST_CLASS_NAME), new VRequest(arequest_info, charsets, form));
1.157 parser 168: // cookie class
1.249 paf 169: classes().put(String::Body(COOKIE_CLASS_NAME), &cookie);
1.253 paf 170: // console class
1.285 misha 171: classes().put(String::Body(CONSOLE_CLASS_NAME), &console);
1.157 parser 172: /// methoded
173: // response class
1.248 paf 174: classes().put(response.get_class()->name(), &response);
1.157 parser 175:
176: /// bases used
177: // form class
1.248 paf 178: classes().put(form.get_class()->base_class()->name(), &form);
1.213 paf 179: // mail class
1.248 paf 180: classes().put(mail.get_class()->base_class()->name(), &mail);
1.157 parser 181: // math class
1.248 paf 182: {
183: Value& math=*new VMath;
184: classes().put(math.get_class()->base_class()->name(), &math);
185: }
186: // memory class
187: {
188: Value& memory=*new VMemory;
189: classes().put(memory.get_class()->base_class()->name(), &memory);
190: }
1.117 paf 191: }
1.192 paf 192:
193: Request::~Request() {
194: #ifdef XML
195: // if for some strange reason xml generic errors failed to be reported, free them up
1.248 paf 196: if(const char* xml_generic_errors=xmlGenericErrors()) {
197: SAPI::log(sapi_info, "warning: unreported xmlGenericErrors: %s", xml_generic_errors);
1.192 paf 198: free((void *)xml_generic_errors);
199: }
200: #endif
201: }
1.236 paf 202:
1.248 paf 203: Value& Request::get_self() { return method_frame/*always have!*/->self(); }
1.192 paf 204:
1.309 ! misha 205: Value* Request::get_class(const String& name){
! 206: Value* result=classes().get(name);
! 207: if(!result){
! 208: if(Value* value=main_class.get_element(autouse_method_name))
! 209: if(Junction* junction=value->get_junction())
! 210: if(const Method *method=junction->method) {
! 211: Value *vname=new VString(name);
! 212: VMethodFrame frame(*junction, 0/*no parent*/);
! 213:
! 214: frame.set_self(main_class);
! 215: frame.store_params(&vname, 1);
! 216: // we don't need the result
! 217: execute_method(frame, *method);
! 218:
! 219: result=classes().get(name);
! 220: }
! 221: }
! 222: return result;
! 223: }
! 224:
1.248 paf 225: static void load_charset(HashStringValue::key_type akey,
226: HashStringValue::value_type avalue,
227: Request_charsets* charsets) {
1.249 paf 228: const String::Body NAME=String(akey, String::L_CLEAN).change_case(charsets->source(), String::CC_UPPER);
1.248 paf 229: ::charsets.load_charset(*charsets, NAME, avalue->as_string());
1.208 paf 230: }
1.248 paf 231: void Request::configure_admin(VStateless_class& conf_class) {
1.208 paf 232: if(configure_admin_done)
1.286 misha 233: throw Exception(PARSER_RUNTIME,
1.248 paf 234: 0,
1.208 paf 235: "parser already configured");
236: configure_admin_done=true;
237:
1.227 paf 238: // charsets must only be specified in method_frame config
1.208 paf 239: // so that users would not interfere
240:
241: /* $MAIN:CHARSETS[
242: $.charsetname1[/full/path/to/charset/file.cfg]
243: ...
244: ]
245: */
1.308 misha 246: if(Value* vcharsets=conf_class.get_element(charsets_name)) {
1.240 paf 247: if(!vcharsets->is_string())
1.248 paf 248: if(HashStringValue* charsets=vcharsets->get_hash())
1.281 paf 249: charsets->for_each<Request_charsets*>(load_charset, &this->charsets);
1.240 paf 250: else
1.286 misha 251: throw Exception(PARSER_RUNTIME,
1.240 paf 252: 0,
253: "$" MAIN_CLASS_NAME ":" CHARSETS_NAME " must be hash");
1.208 paf 254: }
255:
1.227 paf 256: // configure method_frame options
1.208 paf 257: // until someone with less privileges have overriden them
1.248 paf 258: methoded_array().configure_admin(*this);
1.208 paf 259: }
1.150 parser 260:
1.269 paf 261: const char* Request::get_exception_cstr(
262: const Exception& e,
263: Request::Exception_details& details) {
264: #define PA_URI_FORMAT "%s: "
265: #define PA_ORIGIN_FILE_POS_FORMAT "%s(%d:%d): "
266: #define PA_SOURCE_FORMAT "'%s' "
267: #define PA_COMMENT_TYPE_FORMAT "%s [%s]"
268: char* result=new(PointerFreeGC) char[MAX_STRING];
269:
270: if(details.problem_source) { // do we know the guy?
271: if(details.trace) { // do whe know where he came from?
272: Operation::Origin origin=details.trace.origin();
273: snprintf(result, MAX_STRING,
274: PA_URI_FORMAT
275: PA_ORIGIN_FILE_POS_FORMAT
276: PA_SOURCE_FORMAT PA_COMMENT_TYPE_FORMAT,
277: request_info.uri,
278: file_list[origin.file_no].cstr(), 1+origin.line, 1+origin.col,
279: details.problem_source->cstr(),
280: e.comment(), e.type()
281: );
282: } else
283: snprintf(result, MAX_STRING,
284: PA_URI_FORMAT
285: PA_SOURCE_FORMAT PA_COMMENT_TYPE_FORMAT,
286: request_info.uri,
287: details.problem_source->cstr(),
288: e.comment(), e.type()
289: );
290: } else
291: snprintf(result, MAX_STRING,
292: PA_URI_FORMAT
293: PA_COMMENT_TYPE_FORMAT,
294: request_info.uri,
295: e.comment(), e.type()
296: );
297:
298: return result;
299: }
1.272 paf 300:
301: void Request::configure() {
302: // configure admin options if not configured yet
303: if(!configure_admin_done)
304: configure_admin(main_class);
305:
306: // configure not-admin=user options
307: methoded_array().configure_user(*this);
308:
309: // $MAIN:MIME-TYPES
1.308 misha 310: if(Value* element=main_class.get_element(mime_types_name))
1.272 paf 311: if(Table *table=element->get_table())
312: mime_types=table;
313: }
1.64 paf 314: /**
315: load MAIN class, execute @main.
316: MAIN class consists of all the auto.p files we'd manage to find
317: plus
318: the file user requested us to process
319: all located classes become children of one another,
320: composing class we name 'MAIN'
1.180 paf 321:
322: @test log stack trace
323:
1.64 paf 324: */
1.248 paf 325: void Request::core(const char* config_filespec, bool config_fail_on_read_problem, bool header_only) {
1.183 paf 326: #ifdef RESOURCES_DEBUG
327: //measures
328: struct timeval mt[10];
329: //measure:before all
330: gettimeofday(&mt[0],NULL);
331: #endif
1.169 parser 332: try {
1.271 paf 333: // filling mail received
334: mail.fill_received(*this);
335:
1.211 paf 336: // loading config
337: if(config_filespec) {
1.248 paf 338: const String& filespec=*new String(config_filespec);
1.233 paf 339: use_file(main_class,
1.248 paf 340: filespec, 0 /*main_alias*/,
341: true /*ignore class_path*/,
342: config_fail_on_read_problem,
343: true /*file must exist if 'fail on read problem' not set*/);
1.29 paf 344: }
1.8 paf 345:
1.72 paf 346: // loading auto.p files from document_root/..
347: // to the one beside requested file.
348: // all assigned bases from upper dir
349: {
1.248 paf 350: const char* after=request_info.path_translated;
351: size_t drlen=strlen(request_info.document_root);
352: if(memcmp(after, request_info.document_root, drlen)==0) {
1.115 paf 353: after+=drlen;
354: if(after[-1]=='/')
355: --after;
356: }
357:
1.248 paf 358: while(const char* before=strchr(after, '/')) {
359: String& sfile_spec=*new String;
360: if(after!=request_info.path_translated) {
361: sfile_spec.append_strdup(
362: request_info.path_translated, before-request_info.path_translated,
363: String::L_CLEAN);
1.152 parser 364: sfile_spec << "/" AUTO_FILE_NAME;
365:
1.233 paf 366: use_file(main_class,
1.248 paf 367: sfile_spec,
368: 0 /*main_alias*/,
369: true /*ignore class_path*/,
370: true /*fail on read problem*/,
371: false /*but ignore absence, sole user*/);
1.115 paf 372: }
373: after=before+1;
1.72 paf 374: }
375: }
1.34 paf 376:
1.272 paf 377: try {
378: // compile requested file
379: String& spath_translated=*new String;
380: spath_translated.append_help_length(request_info.path_translated, 0, String::L_TAINTED);
381: use_file(main_class,
382: spath_translated,
383: 0 /*main_alias*/,
384: true /*ignore class_path*/);
385:
386: configure();
387: } catch(...) {
388: configure(); // configure anyway, useful in @unhandled_exception [say, if they would want to mail by SMTP something]
389: rethrow;
390: }
1.25 paf 391:
1.183 paf 392: #ifdef RESOURCES_DEBUG
393: //measure:after compile
394: gettimeofday(&mt[1],NULL);
395: #endif
1.25 paf 396: // execute @main[]
1.248 paf 397: const String* body_string=execute_virtual_method(main_class, main_method_name);
1.41 paf 398: if(!body_string)
1.286 misha 399: throw Exception(PARSER_RUNTIME,
1.248 paf 400: 0,
1.145 parser 401: "'"MAIN_METHOD_NAME"' method not found");
1.79 paf 402:
1.183 paf 403: #ifdef RESOURCES_DEBUG
404: //measure:after main
405: gettimeofday(&mt[2],NULL);
406: #endif
407:
1.250 paf 408: // extract response body
409: Value* body_value=response.fields().get(download_name); // $response:download?
410: bool as_attachment=body_value!=0;
411: if(!body_value)
412: body_value=response.fields().get(body_name); // $response:body
413: if(!body_value)
414: body_value=new VString(*body_string); // just result of ^main[]
415:
1.119 paf 416: // @postprocess
1.308 misha 417: if(Value* value=main_class.get_element(post_process_method_name))
1.248 paf 418: if(Junction* junction=value->get_junction())
1.91 paf 419: if(const Method *method=junction->method) {
420: // preparing to pass parameters to
1.119 paf 421: // @postprocess[data]
1.297 misha 422: VMethodFrame frame(/*method->name, */ *junction, 0/*no parent*/);
1.233 paf 423: frame.set_self(main_class);
1.91 paf 424:
1.300 misha 425: frame.store_params(&body_value, 1);
1.250 paf 426: body_value=&execute_method(frame, *method).as_value();
1.91 paf 427: }
1.90 paf 428:
1.303 misha 429: VFile* body_file=body_value->as_vfile(flang, &charsets);
1.41 paf 430:
1.183 paf 431: #ifdef RESOURCES_DEBUG
432: //measure:after postprocess
433: gettimeofday(&mt[3],NULL);
434: #endif
435:
1.45 paf 436: // OK. write out the result
1.248 paf 437: output_result(body_file, header_only, as_attachment);
1.183 paf 438:
439: #ifdef RESOURCES_DEBUG
440: //measure:after output_result
441: gettimeofday(&mt[9],NULL);
442: t[9]=mt[9].tv_sec+mt[9].tv_usec/1000000.0;
443:
444: double t[10];
445: for(int i=0;i<10;i++)
446: t[i]=mt[i].tv_sec+mt[i].tv_usec/1000000.0;
447: //measure:log2 compile,main,postprocess,output
1.248 paf 448: SAPI::log("rmeasure: %s,%.2f,%.2f,%.2f %.2f,%.2f %.2f",
449: request_info.uri,
1.183 paf 450: t[1]-t[0],
451: t[2]-t[1],
452: t[3]-t[2],
453: sql_connect_time,sql_request_time,
454: t[9]-t[3]
455: );
456: #endif
1.171 parser 457: } catch(const Exception& e) { // request handling problem
1.268 paf 458: try {
1.76 paf 459: // we're returning not result, but error explanation
1.269 paf 460:
461: Request::Exception_details details=get_details(e);
462: const char* exception_cstr=get_exception_cstr(e, details);
1.258 paf 463:
464: // reset language to default
465: flang=fdefault_lang;
466:
467: // reset response
468: response.fields().clear();
469:
470: // this is what we'd return in $response:body
471: const String* body_string=0;
472:
473: // maybe we'd be lucky enough as to report an error
474: // in a gracefull way...
1.308 misha 475: if(Value* value=main_class.get_element(*new String(UNHANDLED_EXCEPTION_METHOD_NAME))) {
1.258 paf 476: if(Junction* junction=value->get_junction()) {
477: if(const Method *method=junction->method) {
1.287 misha 478: // preparing to pass parameters to
479: // @unhandled_exception[exception;stack]
1.297 misha 480: VMethodFrame frame(/*method->name, */ *junction, 0/*no caller*/);
1.287 misha 481: frame.set_self(main_class);
482:
483: // $stack[^table::create{name file lineno colno}]
484: Table::columns_type stack_trace_columns(new ArrayString);
485: *stack_trace_columns+=new String("name");
486: *stack_trace_columns+=new String("file");
487: *stack_trace_columns+=new String("lineno");
488: *stack_trace_columns+=new String("colno");
489: Table& stack_trace=*new Table(stack_trace_columns);
490: if(!exception_trace.is_empty()/*signed!*/)
491: for(size_t i=exception_trace.bottom_index(); i<exception_trace.top_index(); i++) {
492: Trace trace=exception_trace.get(i);
493: Table::element_type row(new ArrayString);
494:
495: *row+=trace.name(); // name column
496: Operation::Origin origin=trace.origin();
497: if(origin.file_no) {
498: *row+=new String(file_list[origin.file_no], String::L_TAINTED); // 'file' column
499: *row+=new String(String::Body::Format(1+origin.line), String::L_CLEAN); // 'lineno' column
500: *row+=new String(String::Body::Format(1+origin.col), String::L_CLEAN); // 'colno' column
501: }
502: stack_trace+=row;
503: }
504:
1.300 misha 505: Value *params[]={&details.vhash, new VTable(&stack_trace)};
506: frame.store_params(params, 2);
1.287 misha 507:
508: // future $response:body=
509: // execute ^unhandled_exception[exception;stack]
510: 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)
511: body_string=&execute_method(frame, *method).as_string();
1.233 paf 512: }
1.30 paf 513: }
1.258 paf 514: }
515:
516: if(!body_string) { // couldn't report an error beautifully?
517: // doing that ugly
518:
519: // future $response:content-type
520: response.fields().put(content_type_name,
521: new VString(*new String(UNHANDLED_EXCEPTION_CONTENT_TYPE)));
522: // future $response:body
1.269 paf 523: body_string=new String(exception_cstr);
1.258 paf 524: }
1.41 paf 525:
1.258 paf 526: VString body_vstring(*body_string);
1.303 misha 527: VFile* body_file=body_vstring.as_vfile(flang, &charsets);
1.90 paf 528:
1.273 paf 529: // conditionally log it
530: Value* vhandled=details.vhash.hash().get(exception_handled_part_name);
531: if(!vhandled || !vhandled->as_bool()) {
532: SAPI::log(sapi_info, "%s", exception_cstr);
533: }
534:
1.258 paf 535: // ERROR. write it out
536: output_result(body_file, header_only, false);
1.287 misha 537:
1.273 paf 538: } catch(const Exception& e) { // exception in unhandled exception
1.269 paf 539: Request::Exception_details details=get_details(e);
540: const char* exception_cstr=get_exception_cstr(e, details);
1.273 paf 541: // unconditionally log the beast
542: SAPI::log(sapi_info, "%s", exception_cstr);
1.269 paf 543:
544: throw Exception(0,
545: 0,
546: "in %s",
547: exception_cstr);
1.268 paf 548: }
1.1 paf 549: }
550: }
551:
1.266 paf 552: uint Request::register_file(String::Body file_spec) {
1.248 paf 553: file_list+=file_spec;
554: return file_list.count()-1;
555: }
556:
557: void Request::use_file(VStateless_class& aclass,
558: const String& file_name, const String* main_alias,
559: bool ignore_class_path,
560: bool fail_on_read_problem,
561: bool fail_on_file_absence) {
1.73 paf 562: // cyclic dependence check
1.148 parser 563: if(used_files.get(file_name))
1.248 paf 564: return;
565: used_files.put(file_name, true);
1.73 paf 566:
1.248 paf 567: const String* file_spec;
1.153 parser 568: if(ignore_class_path) // ignore_class_path?
1.148 parser 569: file_spec=&file_name;
1.248 paf 570: else if(file_name.first_char()=='/') //absolute path? [no need to scan MAIN:CLASS_PATH]
1.153 parser 571: file_spec=&absolute(file_name);
572: else {
573: file_spec=0;
1.308 misha 574: if(Value* element=main_class.get_element(class_path_name)) {
1.233 paf 575: if(element->is_string()) {
1.278 paf 576: file_spec=file_exist(absolute(element->as_string()), file_name); // found at class_path?
1.233 paf 577: } else if(Table *table=element->get_table()) {
1.248 paf 578: int size=table->count();
1.233 paf 579: for(int i=size; i--; ) {
1.248 paf 580: const String& path=*(*table->get(i))[0];
1.278 paf 581: if((file_spec=file_exist(absolute(path), file_name)))
1.233 paf 582: break; // found along class_path
583: }
584: } else
1.286 misha 585: throw Exception(PARSER_RUNTIME,
1.233 paf 586: 0,
587: "$" CLASS_PATH_NAME " must be string or table");
588: if(!file_spec)
1.286 misha 589: throw Exception(PARSER_RUNTIME,
1.233 paf 590: &file_name,
591: "not found along " MAIN_CLASS_NAME ":" CLASS_PATH_NAME);
592: }
1.153 parser 593: if(!file_spec)
1.286 misha 594: throw Exception(PARSER_RUNTIME,
1.153 parser 595: &file_name,
1.203 paf 596: "usage failed - no $" MAIN_CLASS_NAME ":" CLASS_PATH_NAME " were specified");
1.148 parser 597: }
1.230 paf 598:
599: if(fail_on_read_problem && !fail_on_file_absence) // ignore file absence if asked for
600: if(!entry_exists(*file_spec))
1.248 paf 601: return;
1.3 paf 602:
1.248 paf 603: if(const char* source=file_read_text(charsets, *file_spec, fail_on_read_problem))
604: use_buf(aclass, source, main_alias, register_file(*file_spec));
1.16 paf 605: }
606:
1.208 paf 607:
1.248 paf 608: void Request::use_buf(VStateless_class& aclass,
609: const char* source, const String* main_alias,
1.266 paf 610: uint file_no,
611: int line_no_offset) {
1.233 paf 612: // temporary zero @conf so to maybe-replace it in compiled code
1.248 paf 613: Temp_method temp_method_conf(aclass, conf_method_name, 0);
1.233 paf 614: // temporary zero @auto so to maybe-replace it in compiled code
1.248 paf 615: Temp_method temp_method_auto(aclass, auto_method_name, 0);
1.233 paf 616:
1.295 misha 617: // compile loaded classes
618: ArrayClass& cclasses=compile(&aclass, source, main_alias, file_no, line_no_offset);
1.212 paf 619:
1.248 paf 620: VString* vfilespec=
621: new VString(*new String(file_list[file_no], String::L_TAINTED));
1.295 misha 622:
623: for(size_t i=0; i<cclasses.count(); i++){
624: VStateless_class& cclass=*cclasses.get(i);
1.296 misha 625:
626: // locate and execute possible @conf[] static
1.295 misha 627: Execute_nonvirtual_method_result executed=execute_nonvirtual_method(cclass,
628: conf_method_name, vfilespec,
629: false/*no string result needed*/);
630: if(executed.method)
631: configure_admin(cclass/*, executed.method->name*/);
632:
633: // locate and execute possible @auto[] static
634: execute_nonvirtual_method(cclass,
635: auto_method_name, vfilespec,
636: false/*no result needed*/);
637: }
1.19 paf 638: }
639:
1.248 paf 640: const String& Request::relative(const char* apath, const String& relative_name) {
641: char *hpath=strdup(apath);
642: String& result=*new String;
643: if(rsplit(hpath, '/')) // if something/splitted
1.217 paf 644: result << hpath << "/";
1.248 paf 645: result << relative_name;
646: return result;
1.19 paf 647: }
648:
1.77 paf 649: const String& Request::absolute(const String& relative_name) {
1.217 paf 650: if(relative_name.first_char()=='/') {
1.248 paf 651: String& result=*new String(strdup(request_info.document_root));
1.104 paf 652: result << relative_name;
1.19 paf 653: return result;
654: } else
1.248 paf 655: if(relative_name.pos("://")!=STRING_NOT_FOUND // something like "http://xxx"
1.247 paf 656: #ifdef WIN32
657: || relative_name.pos(":")==1 // DRIVE:
658: || relative_name.starts_with("\\\\") // UNC1
659: || relative_name.starts_with("//") // UNC2
660: #endif
661: )
662: return relative_name;
663: else
1.248 paf 664: return relative(request_info.path_translated, relative_name);
1.1 paf 665: }
1.45 paf 666:
1.267 paf 667: #ifndef DOXYGEN
668: class Add_header_attribute_info
669: {
670: public:
671: Add_header_attribute_info(Request& ar) : r(ar), add_last_modified(true) {}
672: Request& r;
673: bool add_last_modified;
674: };
675: #endif
1.248 paf 676: static void add_header_attribute(
1.290 misha 677: HashStringValue::key_type name,
678: HashStringValue::value_type value,
1.267 paf 679: Add_header_attribute_info* info) {
1.290 misha 680: if(name==BODY_NAME
681: || name==DOWNLOAD_NAME
682: || name==CHARSET_NAME)
1.101 paf 683: return;
1.290 misha 684:
1.305 misha 685: const char* aname=String(name, String::L_TAINTED).taint_cstr(String::L_URI, 0, &info->r.charsets);
1.101 paf 686:
1.267 paf 687: SAPI::add_header_attribute(info->r.sapi_info,
1.303 misha 688: aname,
1.304 misha 689: attributed_meaning_to_string(*value, String::L_URI, false).untaint_cstr(String::L_AS_IS, 0, &info->r.charsets)
1.303 misha 690: );
1.267 paf 691:
1.290 misha 692: if(strcasecmp(aname, "last-modified")==0)
1.303 misha 693: info->add_last_modified=false;
1.267 paf 694: }
695:
696: static void output_sole_piece(Request& r,
697: bool header_only,
698: VFile& body_file,
699: Value* body_file_content_type) {
700: // transcode text body when "text/*" or simple result
701: String::C output(body_file.value_ptr(), body_file.value_size());
702: if(!body_file_content_type/*vstring.as_vfile*/ || body_file_content_type->as_string().pos("text/")==0)
703: output=Charset::transcode(output,
704: r.charsets.source(),
705: r.charsets.client());
706:
707: // prepare header: content-length
708: char content_length_cstr[MAX_NUMBER];
709: snprintf(content_length_cstr, MAX_NUMBER, "%u", output.length);
710: SAPI::add_header_attribute(r.sapi_info, "content-length", content_length_cstr);
711:
712: // send header
713: SAPI::send_header(r.sapi_info);
714:
715: // send body
716: if(!header_only)
717: SAPI::send_body(r.sapi_info, output.str, output.length);
718: }
719:
720: #ifndef DOXYGEN
721: struct Range
722: {
723: size_t start;
724: size_t end;
725: };
726: #endif
727: static void parse_range(const String* s, Array<Range> &ar)
728: {
729: const char *p = s->cstr();
730: if(s->starts_with("bytes="))
731: p += 6;
732: Range r;
733: while(*p){
734: r.start = (size_t)-1;
735: r.end = (size_t)-1;
736: if(*p >= '0' && *p <= '9'){
737: r.start = atol(p);
738: while(*p>='0' && *p<='9') ++p;
739: }
740: if(*p++ != '-') break;
741: if(*p >= '0' && *p <= '9'){
742: r.end = atol(p);
743: while(*p>='0' && *p<='9') ++p;
744: }
745: if(*p == ',') ++p;
746: ar += r;
747: }
1.101 paf 748: }
1.267 paf 749:
750: static void output_pieces(Request& r,
751: bool header_only,
752: const String& filename,
753: size_t content_length,
754: Value& date,
755: bool add_last_modified)
756: {
1.270 paf 757: SAPI::add_header_attribute(r.sapi_info, "Accept-Ranges", "bytes");
758:
1.267 paf 759: const size_t BUFSIZE = 10*0x400;
760: char buf[BUFSIZE];
761: const char *range = SAPI::get_env(r.sapi_info, "HTTP_RANGE");
762: size_t offset=0;
763: size_t part_length=content_length;
764: if(range){
765: Array<Range> ar;
766: parse_range(new String(range), ar);
767: size_t count = ar.count();
768: if(count == 1){
769: Range &rg = ar.get_ref(0);
770: if(rg.start == (size_t)-1 && rg.end == (size_t)-1){
771: SAPI::add_header_attribute(r.sapi_info, "status", "416 Requested Range Not Satisfiable");
772: return;
773: }
774: if(rg.start == (size_t)-1 && rg.end != (size_t)-1){
775: rg.start = content_length - rg.end;
776: rg.end = content_length;
777: offset += rg.start;
778: part_length = rg.end-rg.start;
779: }else if(rg.start != (size_t)-1 && rg.end == (size_t)-1){
780: rg.end = content_length-1;
781: offset += rg.start;
782: part_length -= rg.start;
783: }
784: if(part_length == 0){
785: SAPI::add_header_attribute(r.sapi_info, "status", "204 No Content");
786: return;
787: }
788: SAPI::add_header_attribute(r.sapi_info, "status", "206 Partial Content");
789: snprintf(buf, BUFSIZE, "bytes %u-%u/%u", rg.start, rg.end, content_length);
790: SAPI::add_header_attribute(r.sapi_info, "Content-Range", buf);
791: }else if(count != 0){
792: SAPI::add_header_attribute(r.sapi_info, "status", "501 Not Implemented");
793: return;
794: }
795: }
796:
797:
798: snprintf(buf, BUFSIZE, "%u", part_length);
799: SAPI::add_header_attribute(r.sapi_info, "Content-Length", buf);
800:
801: if(add_last_modified){
802: const String &s = attributed_meaning_to_string(date, String::L_AS_IS, true);
803: SAPI::add_header_attribute(r.sapi_info, "Last-Modified", s.cstr());
804: }
805: SAPI::send_header(r.sapi_info);
806:
807: const String& filespec=r.absolute(filename);
808:
809: size_t sent = 0;
810: if(!header_only){
811: size_t to_read = 0;
812: size_t size = 0;
813: do{
814: to_read = part_length<BUFSIZE?part_length:BUFSIZE;
815: File_read_result read_result=file_read(r.charsets, filespec,
816: false /*as text*/, 0/*params*/, true/*fail on problem*/,
817: buf, offset, to_read);
818: to_read=read_result.length;
819: if(to_read == 0)
820: break;
821: offset += to_read;
822:
823: size = SAPI::send_body(r.sapi_info, read_result.str, to_read);
824: sent += size;
825: if(size != to_read)
826: break;
827: part_length -= to_read;
828: }while(part_length);
829: }
830: }
831:
1.248 paf 832: void Request::output_result(VFile* body_file, bool header_only, bool as_attachment) {
1.51 paf 833: // header: cookies
1.248 paf 834: cookie.output_result(sapi_info);
1.51 paf 835:
1.267 paf 836: // may be specified
837: Value* body_file_content_type=body_file->fields().get(content_type_name);
1.92 paf 838:
839: // content-disposition
1.267 paf 840: Value* vfile_name=body_file->fields().get(name_name);
841: if(!vfile_name) {
842: vfile_name=body_file->fields().get(response_body_file_name);
1.274 paf 843: if(vfile_name)
844: {
845: const String& sfile_name=vfile_name->as_string();
1.267 paf 846:
1.274 paf 847: char* name_cstr=sfile_name.cstrm();
848: if(char *after_slash=rsplit(name_cstr, '\\'))
849: name_cstr=after_slash;
850: if(char *after_slash=rsplit(name_cstr, '/'))
851: name_cstr=after_slash;
852: vfile_name=new VString(*new String(name_cstr));
853: }
1.267 paf 854: }
855: if(vfile_name) {
856: const String& sfile_name=vfile_name->as_string();
857: if(sfile_name!=NONAME_DAT) {
1.283 misha 858: VHash& hash=*new VHash();
859: HashStringValue &h=hash.hash();
1.288 misha 860: h.put(value_name, new VString( as_attachment ? content_disposition_attachment : content_disposition_inline ));
1.283 misha 861:
862: h.put(content_disposition_filename_name, vfile_name);
863: response.fields().put(content_disposition_name, &hash);
1.267 paf 864:
865: if(!body_file_content_type)
866: body_file_content_type=new VString(mime_type_of(sfile_name.cstr()));
1.111 paf 867: }
1.267 paf 868: }
869:
870: // set content-type
871: if(body_file_content_type) {
872: // body file content type
873: response.fields().put(content_type_name, body_file_content_type);
874: } else {
875: // default content type
876: response.fields().put_dont_replace(content_type_name,
877: new VString(*new String(DEFAULT_CONTENT_TYPE)));
878: }
1.49 paf 879:
1.62 paf 880: // prepare header: $response:fields without :body
1.267 paf 881: Add_header_attribute_info info(*this);
1.281 paf 882: response.fields().for_each<Add_header_attribute_info*>(add_header_attribute, &info);
1.50 paf 883:
1.223 paf 884: if(body_file_content_type)
1.248 paf 885: if(HashStringValue *hash=body_file_content_type->get_hash())
886: body_file_content_type=hash->get(value_name);
1.50 paf 887:
1.267 paf 888: if(Value* vresponse_body_file=body_file->fields().get(response_body_file_name)) {
889: const String& sresponse_body_file=vresponse_body_file->as_string();
890: size_t content_length=0;
891: time_t atime=0, mtime=0, ctime=0;
892: file_stat(absolute(sresponse_body_file),
893: content_length,
894: atime, mtime, ctime);
895:
896: VDate* vdate=0;
897: if(Value* v=body_file->fields().get("mdate")) {
1.308 misha 898: if(Value* vdatep=v->as(VDATE_TYPE))
1.267 paf 899: vdate=static_cast<VDate*>(vdatep);
900: else
1.286 misha 901: throw Exception(PARSER_RUNTIME, 0, "mdate must be a date");
1.267 paf 902: }
903: if(!vdate)
904: vdate=new VDate(mtime);
1.62 paf 905:
1.267 paf 906: output_pieces(*this, header_only,
907: sresponse_body_file,
908: content_length,
909: *vdate,
910: info.add_last_modified);
911: } else {
912: output_sole_piece(*this, header_only,
913: *body_file, body_file_content_type);
914: }
1.50 paf 915: }
1.104 paf 916:
1.248 paf 917: const String& Request::mime_type_of(const char* user_file_name_cstr) {
1.104 paf 918: if(mime_types)
1.248 paf 919: if(const char* cext=strrchr(user_file_name_cstr, '.')) {
920: String sext(++cext);
1.246 paf 921: Table::Action_options options;
1.248 paf 922: if(mime_types->locate(0, sext.change_case(charsets.source(), String::CC_LOWER), options))
923: if(const String* result=mime_types->item(1))
924: return *result;
1.104 paf 925: else
1.286 misha 926: throw Exception(PARSER_RUNTIME,
1.248 paf 927: 0,
1.212 paf 928: MIME_TYPES_NAME " table column elements must not be empty");
1.104 paf 929: }
1.248 paf 930:
931: return *new String("application/octet-stream");
932: }
933:
934: #ifdef XML
1.280 paf 935: xmlChar* Request::transcode(const String& s) {
1.248 paf 936: return charsets.source().transcode(s);
937: }
938:
1.280 paf 939: xmlChar* Request::transcode(const String::Body s) {
1.248 paf 940: return charsets.source().transcode(s);
941: }
942:
1.280 paf 943: const String& Request::transcode(const xmlChar* s) {
1.248 paf 944: return charsets.source().transcode(s);
1.233 paf 945: }
1.248 paf 946: #endif
947:
948:
949: const Request::Trace Request::Exception_trace::extract_origin(const String*& problem_source) {
950: Trace result;
951: if(!is_empty()) {
952: result=bottom_value();
953: if(!problem_source) { // we don't know who trigged the bug?
1.279 paf 954: problem_source=result.name(); // consider the stack-top-guy (we usually know source of next-from-throw-point exception) did that
1.248 paf 955: fbottom++;
956: } else if(result.name()==problem_source) // it is that same guy?
957: fbottom++; // throw away that trace
1.279 paf 958: else {
959: // stack top contains not us,
960: // leaving result intact
961: // it would help ^throw
962: }
1.248 paf 963: }
964:
965: return result;
966: }
967:
968: Request::Exception_details Request::get_details(const Exception& e) {
969: const String* problem_source=e.problem_source();
970: Trace trace=exception_trace.extract_origin(problem_source);
971:
972: VHash& vhash=*new VHash; HashStringValue& hash=vhash.hash();
973:
974: // $.type
975: if(const char* type=e.type(true))
976: hash.put(exception_type_part_name, new VString(*new String(type)));
977:
978: // $.source
979: if(problem_source) {
1.306 misha 980: String& source=*new String(*problem_source, String::L_TAINTED);
1.248 paf 981: hash.put(exception_source_part_name, new VString(source));
982: }
983:
984: // $.file lineno colno
985: if(trace) {
986: const Operation::Origin origin=trace.origin();
1.263 paf 987: hash.put(String::Body("file"),
1.248 paf 988: new VString(*new String(file_list[origin.file_no], String::L_TAINTED)));
1.263 paf 989: hash.put(String::Body("lineno"), new VInt(1+origin.line));
990: hash.put(String::Body("colno"), new VInt(1+origin.col));
1.248 paf 991: }
992:
993: // $.comment
994: if(const char* comment=e.comment(true))
995: hash.put(exception_comment_part_name,
1.302 misha 996: new VString(*new String(comment, String::L_TAINTED)));
1.248 paf 997:
998: // $.handled(0)
1.299 misha 999: hash.put(exception_handled_part_name, &VBool::get(false));
1.233 paf 1000:
1.248 paf 1001: return Request::Exception_details(trace, problem_source, vhash);
1.133 parser 1002: }
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