Annotation of parser3/src/main/pa_request.C, revision 1.253
1.54 paf 1: /** @file
1.55 paf 2: Parser: request class main part. @see compile.C and execute.C.
3:
1.248 paf 4: Copyright (c) 2001-2003 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:
1.253 ! paf 8: static const char* IDENT_REQUEST_C="$Date: 2003/11/07 13:59:22 $";
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"
1.112 paf 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"
1.159 parser 35:
1.248 paf 36: // consts
37:
38: const char* UNHANDLED_EXCEPTION_METHOD_NAME="unhandled_exception";
1.207 paf 39:
1.82 paf 40: /// content type of exception response, when no @MAIN:exception handler defined
1.248 paf 41: const char* UNHANDLED_EXCEPTION_CONTENT_TYPE="text/plain";
1.82 paf 42:
43: /// content type of response when no $MAIN:defaults.content-type defined
1.248 paf 44: const char* DEFAULT_CONTENT_TYPE="text/html";
45: const char* ORIGINS_CONTENT_TYPE="text/plain";
46:
47: // defines for globals
48:
49: #define MAIN_METHOD_NAME "main"
50: #define AUTO_METHOD_NAME "auto"
51: #define BODY_NAME "body"
52: #define EXCEPTION_TYPE_PART_NAME "type"
53: #define EXCEPTION_SOURCE_PART_NAME "source"
54: #define EXCEPTION_COMMENT_PART_NAME "comment"
55: #define EXCEPTION_HANDLED_PART_NAME "handled"
56:
57: // globals
58:
59: const String main_method_name(MAIN_METHOD_NAME);
60: const String auto_method_name(AUTO_METHOD_NAME);
61: const String content_disposition_name(CONTENT_DISPOSITION_NAME);
62: const String content_disposition_value(CONTENT_DISPOSITION_VALUE);
63: const String content_disposition_filename_name(CONTENT_DISPOSITION_FILENAME_NAME);
64: const String body_name(BODY_NAME);
65: const String exception_type_part_name(EXCEPTION_TYPE_PART_NAME);
66: const String exception_source_part_name(EXCEPTION_SOURCE_PART_NAME);
67: const String exception_comment_part_name(EXCEPTION_COMMENT_PART_NAME);
68: const String exception_handled_part_name(EXCEPTION_HANDLED_PART_NAME);
69:
70: // defines for statics
71:
72: #define CHARSETS_NAME "CHARSETS"
73: #define MIME_TYPES_NAME "MIME-TYPES"
74: #define ORIGINS_MODE_NAME "ORIGINS"
75: #define CONF_METHOD_NAME "conf"
76: #define POST_PROCESS_METHOD_NAME "postprocess"
77: #define DOWNLOAD_NAME "download"
78: #define CLASS_PATH_NAME "CLASS_PATH"
79:
80: // statics
81:
82: static const String charsets_name(CHARSETS_NAME);
83: static const String main_class_name(MAIN_CLASS_NAME);
84: static const String mime_types_name(MIME_TYPES_NAME);
85: static const String origins_mode_name(ORIGINS_MODE_NAME);
86: static const String conf_method_name(CONF_METHOD_NAME);
87: static const String post_process_method_name(POST_PROCESS_METHOD_NAME);
88: static const String download_name(DOWNLOAD_NAME);
89: static const String class_path_name(CLASS_PATH_NAME);
90:
91: // defines
1.82 paf 92:
1.233 paf 93: // op.C
1.248 paf 94: VStateless_class& VClassMAIN_create();
1.123 paf 95:
1.157 parser 96: //
1.248 paf 97: Request::Request(SAPI_Info& asapi_info, Request_info& arequest_info,
1.252 paf 98: String::Language adefault_lang, bool status_allowed):
1.248 paf 99: // private
100: anti_endless_execute_recoursion(0),
101:
102: // public
103: method_frame(0),
104: rcontext(0),
105: wcontext(0),
106: flang(adefault_lang),
1.191 paf 107: fconnection(0),
1.248 paf 108: finterrupted(false),
109:
110: // public
1.183 paf 111: #ifdef RESOURCES_DEBUG
1.248 paf 112: sql_connect_time(0),
113: sql_request_time(0),
114: #endif
115:
116: // public
117: sapi_info(asapi_info),
118: request_info(arequest_info),
119: charsets(UTF8_charset, UTF8_charset, UTF8_charset), // default charsets
120:
121: main_class(VClassMAIN_create()),
122: form(*new VForm),
123: mail(*new VMail),
124: response(*new VResponse(arequest_info, charsets)),
125: cookie(*new VCookie),
126:
127: // private
128: configure_admin_done(false),
129:
130: // private defaults
131: fdefault_lang(adefault_lang),
132: // private mime types
133: mime_types(0)
1.157 parser 134: {
1.248 paf 135: // file_no=0 => unknown
1.249 paf 136: file_list+=String::Body("UNKNOWN");
137: file_list+=String::Body("-body of process-"); // pseudo_file_no__process
1.186 paf 138:
1.178 paf 139: // maybe expire old caches
1.248 paf 140: cache_managers.maybe_expire();
1.178 paf 141:
1.157 parser 142: /// directly used
1.233 paf 143: // MAIN class, operators
1.235 paf 144: classes().put(main_class.name(), &main_class);
1.157 parser 145: // classes:
146: // table, file, random, mail, image, ...
1.248 paf 147: methoded_array().register_directly_used(*this);
1.157 parser 148:
149: /// methodless
150: // env class
1.249 paf 151: classes().put(String::Body(ENV_CLASS_NAME), new VEnv(asapi_info));
1.175 paf 152: // status class
1.179 paf 153: if(status_allowed)
1.249 paf 154: classes().put(String::Body(STATUS_CLASS_NAME), new VStatus());
1.157 parser 155: // request class
1.249 paf 156: classes().put(String::Body(REQUEST_CLASS_NAME), new VRequest(arequest_info, charsets));
1.157 parser 157: // cookie class
1.249 paf 158: classes().put(String::Body(COOKIE_CLASS_NAME), &cookie);
1.253 ! paf 159: // console class
! 160: classes().put(String::Body(CONSOLE_CLASS_NAME), new VConsole());
1.157 parser 161:
162: /// methoded
163: // response class
1.248 paf 164: classes().put(response.get_class()->name(), &response);
1.157 parser 165:
166: /// bases used
167: // form class
1.248 paf 168: classes().put(form.get_class()->base_class()->name(), &form);
1.213 paf 169: // mail class
1.248 paf 170: classes().put(mail.get_class()->base_class()->name(), &mail);
1.157 parser 171: // math class
1.248 paf 172: {
173: Value& math=*new VMath;
174: classes().put(math.get_class()->base_class()->name(), &math);
175: }
176: // memory class
177: {
178: Value& memory=*new VMemory;
179: classes().put(memory.get_class()->base_class()->name(), &memory);
180: }
1.117 paf 181: }
1.192 paf 182:
183: Request::~Request() {
184: #ifdef XML
185: // if for some strange reason xml generic errors failed to be reported, free them up
1.248 paf 186: if(const char* xml_generic_errors=xmlGenericErrors()) {
187: SAPI::log(sapi_info, "warning: unreported xmlGenericErrors: %s", xml_generic_errors);
1.192 paf 188: free((void *)xml_generic_errors);
189: }
190: #endif
191: }
1.236 paf 192:
1.248 paf 193: Value& Request::get_self() { return method_frame/*always have!*/->self(); }
1.192 paf 194:
1.248 paf 195: static void load_charset(HashStringValue::key_type akey,
196: HashStringValue::value_type avalue,
197: Request_charsets* charsets) {
1.249 paf 198: const String::Body NAME=String(akey, String::L_CLEAN).change_case(charsets->source(), String::CC_UPPER);
1.248 paf 199: ::charsets.load_charset(*charsets, NAME, avalue->as_string());
1.208 paf 200: }
1.248 paf 201: void Request::configure_admin(VStateless_class& conf_class) {
1.208 paf 202: if(configure_admin_done)
203: throw Exception("parser.runtime",
1.248 paf 204: 0,
1.208 paf 205: "parser already configured");
206: configure_admin_done=true;
207:
1.227 paf 208: // charsets must only be specified in method_frame config
1.208 paf 209: // so that users would not interfere
210:
211: /* $MAIN:CHARSETS[
212: $.charsetname1[/full/path/to/charset/file.cfg]
213: ...
214: ]
215: */
1.248 paf 216: if(Value* vcharsets=conf_class.get_element(charsets_name, conf_class, false)) {
1.240 paf 217: if(!vcharsets->is_string())
1.248 paf 218: if(HashStringValue* charsets=vcharsets->get_hash())
219: charsets->for_each(load_charset, &this->charsets);
1.240 paf 220: else
221: throw Exception("parser.runtime",
222: 0,
223: "$" MAIN_CLASS_NAME ":" CHARSETS_NAME " must be hash");
1.208 paf 224: }
225:
1.227 paf 226: // configure method_frame options
1.208 paf 227: // until someone with less privileges have overriden them
1.248 paf 228: methoded_array().configure_admin(*this);
1.208 paf 229: }
1.150 parser 230:
1.64 paf 231: /**
232: load MAIN class, execute @main.
233: MAIN class consists of all the auto.p files we'd manage to find
234: plus
235: the file user requested us to process
236: all located classes become children of one another,
237: composing class we name 'MAIN'
1.180 paf 238:
239: @test log stack trace
240:
1.64 paf 241: */
1.248 paf 242: void Request::core(const char* config_filespec, bool config_fail_on_read_problem, bool header_only) {
1.183 paf 243:
244: #ifdef RESOURCES_DEBUG
245: //measures
246: struct timeval mt[10];
247: //measure:before all
248: gettimeofday(&mt[0],NULL);
249: #endif
1.169 parser 250: try {
1.211 paf 251: // loading config
252: if(config_filespec) {
1.248 paf 253: const String& filespec=*new String(config_filespec);
1.233 paf 254: use_file(main_class,
1.248 paf 255: filespec, 0 /*main_alias*/,
256: true /*ignore class_path*/,
257: config_fail_on_read_problem,
258: true /*file must exist if 'fail on read problem' not set*/);
1.29 paf 259: }
1.8 paf 260:
1.72 paf 261: // loading auto.p files from document_root/..
262: // to the one beside requested file.
263: // all assigned bases from upper dir
264: {
1.248 paf 265: const char* after=request_info.path_translated;
266: size_t drlen=strlen(request_info.document_root);
267: if(memcmp(after, request_info.document_root, drlen)==0) {
1.115 paf 268: after+=drlen;
269: if(after[-1]=='/')
270: --after;
271: }
272:
1.152 parser 273: int step=0;
1.248 paf 274: while(const char* before=strchr(after, '/')) {
275: String& sfile_spec=*new String;
276: if(after!=request_info.path_translated) {
277: sfile_spec.append_strdup(
278: request_info.path_translated, before-request_info.path_translated,
279: String::L_CLEAN);
1.152 parser 280: sfile_spec << "/" AUTO_FILE_NAME;
281:
1.233 paf 282: use_file(main_class,
1.248 paf 283: sfile_spec,
284: 0 /*main_alias*/,
285: true /*ignore class_path*/,
286: true /*fail on read problem*/,
287: false /*but ignore absence, sole user*/);
1.115 paf 288: }
289: after=before+1;
1.72 paf 290: }
291: }
1.34 paf 292:
1.125 paf 293: // compile requested file
1.248 paf 294: String& spath_translated=*new String;
295: spath_translated.append_help_length(request_info.path_translated, 0, String::L_TAINTED);
1.233 paf 296: use_file(main_class,
1.248 paf 297: spath_translated,
298: 0 /*main_alias*/,
299: true /*ignore class_path*/);
1.214 paf 300:
1.227 paf 301: // configure method_frame options if not configured yet
1.214 paf 302: if(!configure_admin_done)
1.248 paf 303: configure_admin(main_class);
1.7 paf 304:
1.227 paf 305: // configure not-method_frame=user options
1.248 paf 306: methoded_array().configure_user(*this);
1.124 paf 307:
1.85 paf 308: // $MAIN:MIME-TYPES
1.248 paf 309: if(Value* element=main_class.get_element(mime_types_name, main_class, false))
1.85 paf 310: if(Table *table=element->get_table())
311: mime_types=table;
1.102 paf 312:
1.124 paf 313: // filling form fields
1.248 paf 314: form.fill_fields_and_tables(charsets, request_info);
1.102 paf 315:
1.124 paf 316: // filling cookies
1.248 paf 317: cookie.fill_fields(request_info);
1.213 paf 318:
319: // filling mail received
320: mail.fill_received(*this);
1.25 paf 321:
1.183 paf 322: #ifdef RESOURCES_DEBUG
323: //measure:after compile
324: gettimeofday(&mt[1],NULL);
325: #endif
1.25 paf 326: // execute @main[]
1.248 paf 327: const String* body_string=execute_virtual_method(main_class, main_method_name);
1.41 paf 328: if(!body_string)
1.197 paf 329: throw Exception("parser.runtime",
1.248 paf 330: 0,
1.145 parser 331: "'"MAIN_METHOD_NAME"' method not found");
1.79 paf 332:
1.183 paf 333: #ifdef RESOURCES_DEBUG
334: //measure:after main
335: gettimeofday(&mt[2],NULL);
336: #endif
337:
1.250 paf 338: // extract response body
339: Value* body_value=response.fields().get(download_name); // $response:download?
340: bool as_attachment=body_value!=0;
341: if(!body_value)
342: body_value=response.fields().get(body_name); // $response:body
343: if(!body_value)
344: body_value=new VString(*body_string); // just result of ^main[]
345:
1.119 paf 346: // @postprocess
1.248 paf 347: if(Value* value=main_class.get_element(post_process_method_name, main_class, false))
348: if(Junction* junction=value->get_junction())
1.91 paf 349: if(const Method *method=junction->method) {
350: // preparing to pass parameters to
1.119 paf 351: // @postprocess[data]
1.248 paf 352: VMethodFrame frame(/*method->name, */ *junction, 0/*no parent*/);
1.233 paf 353: frame.set_self(main_class);
1.91 paf 354:
1.250 paf 355: frame.store_param(*body_value);
356: body_value=&execute_method(frame, *method).as_value();
1.91 paf 357: }
1.90 paf 358:
1.250 paf 359: VFile* body_file=body_value->as_vfile(
1.248 paf 360: String::L_UNSPECIFIED, &charsets);
1.41 paf 361:
1.183 paf 362: #ifdef RESOURCES_DEBUG
363: //measure:after postprocess
364: gettimeofday(&mt[3],NULL);
365: #endif
366:
1.45 paf 367: // OK. write out the result
1.248 paf 368: output_result(body_file, header_only, as_attachment);
1.183 paf 369:
370: #ifdef RESOURCES_DEBUG
371: //measure:after output_result
372: gettimeofday(&mt[9],NULL);
373: t[9]=mt[9].tv_sec+mt[9].tv_usec/1000000.0;
374:
375: double t[10];
376: for(int i=0;i<10;i++)
377: t[i]=mt[i].tv_sec+mt[i].tv_usec/1000000.0;
378: //measure:log2 compile,main,postprocess,output
1.248 paf 379: SAPI::log("rmeasure: %s,%.2f,%.2f,%.2f %.2f,%.2f %.2f",
380: request_info.uri,
1.183 paf 381: t[1]-t[0],
382: t[2]-t[1],
383: t[3]-t[2],
384: sql_connect_time,sql_request_time,
385: t[9]-t[3]
386: );
387: #endif
1.171 parser 388: } catch(const Exception& e) { // request handling problem
1.76 paf 389: // we're returning not result, but error explanation
1.248 paf 390: // try {
391: #define PA_URI_FORMAT "%s: "
392: #define PA_ORIGIN_FILE_POS_FORMAT "%s(%d:%d): "
393: #define PA_SOURCE_FORMAT "'%s' "
394: #define PA_COMMENT_TYPE_FORMAT "%s [%s]"
1.76 paf 395: // log the beast
1.248 paf 396: Request::Exception_details details=get_details(e);
397:
398: if(details.problem_source) { // do we know the guy?
399: if(details.trace) { // do whe know where he came from?
400: Operation::Origin origin=details.trace.origin();
401: SAPI::log(sapi_info,
402: PA_URI_FORMAT
403: PA_ORIGIN_FILE_POS_FORMAT
404: PA_SOURCE_FORMAT PA_COMMENT_TYPE_FORMAT,
405: request_info.uri,
406: file_list[origin.file_no].cstr(), 1+origin.line, 1+origin.col,
407: details.problem_source->cstr(),
408: e.comment(), e.type()
409: );
410: } else
411: SAPI::log(sapi_info,
412: PA_URI_FORMAT
413: PA_SOURCE_FORMAT PA_COMMENT_TYPE_FORMAT,
414: request_info.uri,
415: details.problem_source->cstr(),
416: e.comment(), e.type()
417: );
418: } else
419: SAPI::log(sapi_info,
420: PA_URI_FORMAT
421: PA_COMMENT_TYPE_FORMAT,
422: request_info.uri,
1.206 paf 423: e.comment(), e.type()
1.180 paf 424: );
1.171 parser 425:
1.43 paf 426: // reset language to default
427: flang=fdefault_lang;
428:
429: // reset response
430: response.fields().clear();
431:
432: // this is what we'd return in $response:body
1.248 paf 433: const String* body_string=0;
1.43 paf 434:
1.233 paf 435: // maybe we'd be lucky enough as to report an error
436: // in a gracefull way...
1.248 paf 437: if(Value* value=main_class.get_element(
438: *new String(UNHANDLED_EXCEPTION_METHOD_NAME),
1.237 paf 439: main_class,
1.233 paf 440: false)) {
1.248 paf 441: if(Junction* junction=value->get_junction()) {
1.233 paf 442: if(const Method *method=junction->method) {
1.248 paf 443: // preparing to pass parameters to
444: // @unhandled_exception[exception;stack]
445: VMethodFrame frame(/*method->name, */ *junction, 0/*no caller*/);
446: frame.set_self(main_class);
447:
448: // $exception
449: frame.store_param(details.vhash);
450: // $stack[^table::set{name origin}]
451: Table::columns_type stack_trace_columns(new ArrayString);
452: *stack_trace_columns+=new String("name");
453: *stack_trace_columns+=new String("file");
454: *stack_trace_columns+=new String("lineno");
455: *stack_trace_columns+=new String("colno");
456: Table& stack_trace=*new Table(stack_trace_columns);
457: if(!exception_trace.is_empty()/*signed!*/)
1.251 paf 458: for(size_t i=exception_trace.bottom_index(); i<exception_trace.top_index(); i++) {
1.248 paf 459: Trace trace=exception_trace.get(i);
460: Table::element_type row(new ArrayString);
461:
462: *row+=trace.name(); // name column
463: Operation::Origin origin=trace.origin();
464: if(origin.file_no) {
465: *row+=new String(file_list[origin.file_no], String::L_TAINTED); // 'file' column
1.249 paf 466: *row+=new String(String::Body::Format(1+origin.line), String::L_CLEAN); // 'lineno' column
467: *row+=new String(String::Body::Format(1+origin.col), String::L_CLEAN); // 'colno' column
1.248 paf 468: }
469: stack_trace+=row;
470: }
471: frame.store_param(*new VTable(&stack_trace));
472:
473: // future $response:body=
474: // execute ^unhandled_exception[exception;stack]
1.250 paf 475: body_string=&execute_method(frame, *method).as_string();
1.233 paf 476: }
477: }
1.30 paf 478: }
479:
1.41 paf 480: if(!body_string) { // couldn't report an error beautifully?
481: // doing that ugly
482:
483: // make up result: $origin $source $comment $type $code
1.248 paf 484: char *buf=new(PointerFreeGC) char[MAX_STRING];
1.30 paf 485: size_t printed=0;
1.248 paf 486: if(const String* problem_source=e.problem_source()) {
487: /*const String_fragment::Origin& origin=problem_source->origin();
1.30 paf 488: if(origin.file)
1.180 paf 489: printed+=snprintf(buf+printed, MAX_STRING-printed,
1.248 paf 490: PA_ORIGIN_FILE_POS_FORMAT,
1.180 paf 491: origin.file, 1+origin.line
492: );
1.41 paf 493: printed+=snprintf(buf+printed, MAX_STRING-printed, "'%s' ",
1.248 paf 494: problem_source->cstr().get());
495: */
1.30 paf 496: }
1.248 paf 497: if(const char* comment=e.comment(true))
1.206 paf 498: printed+=snprintf(buf+printed, MAX_STRING-printed, "%s", comment);
1.248 paf 499: if(const char* type=e.type(true))
1.197 paf 500: printed+=snprintf(buf+printed, MAX_STRING-printed, " type: %s", type);
1.43 paf 501:
502: // future $response:content-type
1.248 paf 503: response.fields().put(content_type_name,
504: new VString(*new String(UNHANDLED_EXCEPTION_CONTENT_TYPE)));
1.43 paf 505: // future $response:body
1.248 paf 506: body_string=new String(buf);
1.30 paf 507: }
1.41 paf 508:
1.144 parser 509: VString body_vstring(*body_string);
1.248 paf 510: VFile* body_file=body_vstring.as_vfile(String::L_UNSPECIFIED, &charsets);
1.90 paf 511:
1.45 paf 512: // ERROR. write it out
1.248 paf 513: output_result(body_file, header_only, false);
514: // } catch(const Exception& ) {
515: // rethrow;
516: // }
1.1 paf 517: }
518: }
519:
1.249 paf 520: size_t Request::register_file(String::Body file_spec) {
1.248 paf 521: file_list+=file_spec;
522: return file_list.count()-1;
523: }
524:
525: void Request::use_file(VStateless_class& aclass,
526: const String& file_name, const String* main_alias,
527: bool ignore_class_path,
528: bool fail_on_read_problem,
529: bool fail_on_file_absence) {
1.73 paf 530: // cyclic dependence check
1.148 parser 531: if(used_files.get(file_name))
1.248 paf 532: return;
533: used_files.put(file_name, true);
1.73 paf 534:
1.248 paf 535: const String* file_spec;
1.153 parser 536: if(ignore_class_path) // ignore_class_path?
1.148 parser 537: file_spec=&file_name;
1.248 paf 538: else if(file_name.first_char()=='/') //absolute path? [no need to scan MAIN:CLASS_PATH]
1.153 parser 539: file_spec=&absolute(file_name);
540: else {
541: file_spec=0;
1.248 paf 542: if(Value* element=main_class.get_element(class_path_name, main_class, false)) {
1.233 paf 543: if(element->is_string()) {
544: file_spec=file_readable(absolute(element->as_string()), file_name); // found at class_path?
545: } else if(Table *table=element->get_table()) {
1.248 paf 546: int size=table->count();
1.233 paf 547: for(int i=size; i--; ) {
1.248 paf 548: const String& path=*(*table->get(i))[0];
1.233 paf 549: if(file_spec=file_readable(absolute(path), file_name))
550: break; // found along class_path
551: }
552: } else
553: throw Exception("parser.runtime",
554: 0,
555: "$" CLASS_PATH_NAME " must be string or table");
556: if(!file_spec)
557: throw Exception("parser.runtime",
558: &file_name,
559: "not found along " MAIN_CLASS_NAME ":" CLASS_PATH_NAME);
560: }
1.153 parser 561: if(!file_spec)
1.197 paf 562: throw Exception("parser.runtime",
1.153 parser 563: &file_name,
1.203 paf 564: "usage failed - no $" MAIN_CLASS_NAME ":" CLASS_PATH_NAME " were specified");
1.148 parser 565: }
1.230 paf 566:
567: if(fail_on_read_problem && !fail_on_file_absence) // ignore file absence if asked for
568: if(!entry_exists(*file_spec))
1.248 paf 569: return;
1.3 paf 570:
1.248 paf 571: if(const char* source=file_read_text(charsets, *file_spec, fail_on_read_problem))
572: use_buf(aclass, source, main_alias, register_file(*file_spec));
1.16 paf 573: }
574:
1.208 paf 575:
1.248 paf 576: void Request::use_buf(VStateless_class& aclass,
577: const char* source, const String* main_alias,
578: uint file_no) {
1.233 paf 579: // temporary zero @conf so to maybe-replace it in compiled code
1.248 paf 580: Temp_method temp_method_conf(aclass, conf_method_name, 0);
1.233 paf 581: // temporary zero @auto so to maybe-replace it in compiled code
1.248 paf 582: Temp_method temp_method_auto(aclass, auto_method_name, 0);
1.233 paf 583:
1.5 paf 584: // compile loaded class
1.248 paf 585: VStateless_class& cclass=compile(&aclass, source, main_alias, file_no);
1.212 paf 586:
1.233 paf 587: // locate and execute possible @conf[] static
1.248 paf 588: VString* vfilespec=
589: new VString(*new String(file_list[file_no], String::L_TAINTED));
590: Execute_nonvirtual_method_result executed=execute_nonvirtual_method(cclass,
591: conf_method_name, vfilespec,
592: false/*no string result needed*/);
593: if(executed.method)
594: configure_admin(cclass/*, executed.method->name*/);
1.208 paf 595:
596: // locate and execute possible @auto[] static
1.233 paf 597: execute_nonvirtual_method(cclass,
1.248 paf 598: auto_method_name, vfilespec,
599: false/*no result needed*/);
1.19 paf 600: }
601:
1.248 paf 602: const String& Request::relative(const char* apath, const String& relative_name) {
603: char *hpath=strdup(apath);
604: String& result=*new String;
605: if(rsplit(hpath, '/')) // if something/splitted
1.217 paf 606: result << hpath << "/";
1.248 paf 607: result << relative_name;
608: return result;
1.19 paf 609: }
610:
1.77 paf 611: const String& Request::absolute(const String& relative_name) {
1.217 paf 612: if(relative_name.first_char()=='/') {
1.248 paf 613: String& result=*new String(strdup(request_info.document_root));
1.104 paf 614: result << relative_name;
1.19 paf 615: return result;
616: } else
1.248 paf 617: if(relative_name.pos("://")!=STRING_NOT_FOUND // something like "http://xxx"
1.247 paf 618: #ifdef WIN32
619: || relative_name.pos(":")==1 // DRIVE:
620: || relative_name.starts_with("\\\\") // UNC1
621: || relative_name.starts_with("//") // UNC2
622: #endif
623: )
624: return relative_name;
625: else
1.248 paf 626: return relative(request_info.path_translated, relative_name);
1.1 paf 627: }
1.45 paf 628:
1.248 paf 629: static void add_header_attribute(
630: HashStringValue::key_type aattribute,
631: HashStringValue::value_type ameaning,
632: Request *r) {
1.184 paf 633: if(aattribute==BODY_NAME
1.244 paf 634: || aattribute==DOWNLOAD_NAME
1.184 paf 635: || aattribute==CHARSET_NAME)
1.101 paf 636: return;
637:
1.248 paf 638: SAPI::add_header_attribute(r->sapi_info,
1.173 paf 639: aattribute.cstr(),
1.248 paf 640: attributed_meaning_to_string(*ameaning, String::L_HTTP_HEADER, false).
641: cstr(String::L_UNSPECIFIED));
1.101 paf 642: }
1.248 paf 643: void Request::output_result(VFile* body_file, bool header_only, bool as_attachment) {
1.51 paf 644: // header: cookies
1.248 paf 645: cookie.output_result(sapi_info);
1.51 paf 646:
1.248 paf 647: Value* body_file_content_type;
1.90 paf 648: // set content-type
1.248 paf 649: if(body_file_content_type=body_file->fields().get(content_type_name)) {
1.90 paf 650: // body file content type
1.248 paf 651: response.fields().put(content_type_name, body_file_content_type);
1.90 paf 652: } else {
653: // default content type
1.248 paf 654: response.fields().put_dont_replace(content_type_name,
655: new VString(*new String(DEFAULT_CONTENT_TYPE)));
1.92 paf 656: }
657:
658: // content-disposition
1.248 paf 659: if(Value* vfile_name=body_file->fields().get(name_name))
660: if(*vfile_name->get_string()!=NONAME_DAT) {
661: VHash& hash=*new VHash();
662: HashStringValue &h=hash.hash();
1.244 paf 663: if(as_attachment)
1.248 paf 664: h.put(value_name, new VString(content_disposition_value));
665: h.put(content_disposition_filename_name, vfile_name);
666: response.fields().put(content_disposition_name, &hash);
1.111 paf 667: }
1.49 paf 668:
1.62 paf 669: // prepare header: $response:fields without :body
1.178 paf 670: response.fields().for_each(add_header_attribute, this);
1.50 paf 671:
1.220 paf 672: // transcode text body when "text/*" or simple result
1.223 paf 673: if(body_file_content_type)
1.248 paf 674: if(HashStringValue *hash=body_file_content_type->get_hash())
675: body_file_content_type=hash->get(value_name);
676: String::C output(body_file->value_ptr(), body_file->value_size());
677: if(!body_file_content_type/*vstring.as_vfile*/ || body_file_content_type->as_string().pos("text/")==0)
678: output=Charset::transcode(output,
679: charsets.source(),
680: charsets.client());
1.50 paf 681:
1.62 paf 682: // prepare header: content-length
1.200 paf 683: char content_length_cstr[MAX_NUMBER];
1.248 paf 684: snprintf(content_length_cstr, MAX_NUMBER, "%u", output.length);
685: SAPI::add_header_attribute(sapi_info, "content-length", content_length_cstr);
1.62 paf 686:
687: // send header
1.248 paf 688: SAPI::send_header(sapi_info);
1.71 paf 689:
1.62 paf 690: // send body
691: if(!header_only)
1.248 paf 692: SAPI::send_body(sapi_info, output.str, output.length);
1.50 paf 693: }
1.104 paf 694:
1.248 paf 695: const String& Request::mime_type_of(const char* user_file_name_cstr) {
1.104 paf 696: if(mime_types)
1.248 paf 697: if(const char* cext=strrchr(user_file_name_cstr, '.')) {
698: String sext(++cext);
1.246 paf 699: Table::Action_options options;
1.248 paf 700: if(mime_types->locate(0, sext.change_case(charsets.source(), String::CC_LOWER), options))
701: if(const String* result=mime_types->item(1))
702: return *result;
1.104 paf 703: else
1.197 paf 704: throw Exception("parser.runtime",
1.248 paf 705: 0,
1.212 paf 706: MIME_TYPES_NAME " table column elements must not be empty");
1.104 paf 707: }
1.248 paf 708:
709: return *new String("application/octet-stream");
710: }
711:
712: #ifdef XML
713: GdomeDOMString_auto_ptr Request::transcode(const String& s) {
714: return charsets.source().transcode(s);
715: }
716:
1.249 paf 717: GdomeDOMString_auto_ptr Request::transcode(const String::Body s) {
1.248 paf 718: return charsets.source().transcode(s);
719: }
720:
721: const String& Request::transcode(GdomeDOMString* s) {
722: return charsets.source().transcode(s);
723: }
724:
725: const String& Request::transcode(xmlChar* s) {
726: return charsets.source().transcode(s);
1.233 paf 727: }
1.248 paf 728: #endif
729:
730:
731: const Request::Trace Request::Exception_trace::extract_origin(const String*& problem_source) {
732: Trace result;
733: if(!is_empty()) {
734: result=bottom_value();
735: if(!problem_source) { // we don't know who trigged the bug?
736: problem_source=result.name(); // consider the stack-top-guy did that
737: fbottom++;
738: } else if(result.name()==problem_source) // it is that same guy?
739: fbottom++; // throw away that trace
740: // else stack top contains not us,
741: // leaving result intact
742: // it would help ^throw
743: }
744:
745: return result;
746: }
747:
748: Request::Exception_details Request::get_details(const Exception& e) {
749: const String* problem_source=e.problem_source();
750: Trace trace=exception_trace.extract_origin(problem_source);
751:
752: VHash& vhash=*new VHash; HashStringValue& hash=vhash.hash();
753:
754: // $.type
755: if(const char* type=e.type(true))
756: hash.put(exception_type_part_name, new VString(*new String(type)));
757:
758: // $.source
759: if(problem_source) {
760: String& source=*new String;
761: source.append(*problem_source, String::L_TAINTED, true/*forced*/);
762:
763: hash.put(exception_source_part_name, new VString(source));
764: }
765:
766: // $.file lineno colno
767: if(trace) {
768: const Operation::Origin origin=trace.origin();
1.249 paf 769: hash.put(String::Body("file"),
1.248 paf 770: new VString(*new String(file_list[origin.file_no], String::L_TAINTED)));
1.249 paf 771: hash.put(String::Body("lineno"), new VInt(1+origin.line));
772: hash.put(String::Body("colno"), new VInt(1+origin.col));
1.248 paf 773: }
774:
775: // $.comment
776: if(const char* comment=e.comment(true))
777: hash.put(exception_comment_part_name,
778: new VString(*new String(comment, 0, true/*tainted*/)));
779:
780: // $.handled(0)
781: hash.put(exception_handled_part_name, new VBool(false));
1.233 paf 782:
1.248 paf 783: return Request::Exception_details(trace, problem_source, vhash);
1.133 parser 784: }
E-mail:
![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to pa_request.C CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [parser3project] / parser3 / src / main