Annotation of parser3/src/main/pa_request.C, revision 1.254
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:
1.254 ! paf 8: static const char* IDENT_REQUEST_C="$Date: 2003/11/10 09:28:14 $";
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:
56: // globals
57:
58: const String main_method_name(MAIN_METHOD_NAME);
59: const String auto_method_name(AUTO_METHOD_NAME);
60: const String content_disposition_name(CONTENT_DISPOSITION_NAME);
61: const String content_disposition_value(CONTENT_DISPOSITION_VALUE);
62: const String content_disposition_filename_name(CONTENT_DISPOSITION_FILENAME_NAME);
63: const String body_name(BODY_NAME);
64: const String exception_type_part_name(EXCEPTION_TYPE_PART_NAME);
65: const String exception_source_part_name(EXCEPTION_SOURCE_PART_NAME);
66: const String exception_comment_part_name(EXCEPTION_COMMENT_PART_NAME);
67: const String exception_handled_part_name(EXCEPTION_HANDLED_PART_NAME);
68:
69: // defines for statics
70:
71: #define CHARSETS_NAME "CHARSETS"
72: #define MIME_TYPES_NAME "MIME-TYPES"
73: #define ORIGINS_MODE_NAME "ORIGINS"
74: #define CONF_METHOD_NAME "conf"
75: #define POST_PROCESS_METHOD_NAME "postprocess"
76: #define DOWNLOAD_NAME "download"
77: #define CLASS_PATH_NAME "CLASS_PATH"
78:
79: // statics
80:
81: static const String charsets_name(CHARSETS_NAME);
82: static const String main_class_name(MAIN_CLASS_NAME);
83: static const String mime_types_name(MIME_TYPES_NAME);
84: static const String origins_mode_name(ORIGINS_MODE_NAME);
85: static const String conf_method_name(CONF_METHOD_NAME);
86: static const String post_process_method_name(POST_PROCESS_METHOD_NAME);
87: static const String download_name(DOWNLOAD_NAME);
88: static const String class_path_name(CLASS_PATH_NAME);
89:
90: // defines
1.82 paf 91:
1.233 paf 92: // op.C
1.248 paf 93: VStateless_class& VClassMAIN_create();
1.123 paf 94:
1.157 parser 95: //
1.248 paf 96: Request::Request(SAPI_Info& asapi_info, Request_info& arequest_info,
1.252 paf 97: String::Language adefault_lang, bool status_allowed):
1.248 paf 98: // private
99: anti_endless_execute_recoursion(0),
100:
101: // public
102: method_frame(0),
103: rcontext(0),
104: wcontext(0),
105: flang(adefault_lang),
1.191 paf 106: fconnection(0),
1.248 paf 107: finterrupted(false),
108:
109: // public
1.183 paf 110: #ifdef RESOURCES_DEBUG
1.248 paf 111: sql_connect_time(0),
112: sql_request_time(0),
113: #endif
114:
115: // public
116: sapi_info(asapi_info),
117: request_info(arequest_info),
118: charsets(UTF8_charset, UTF8_charset, UTF8_charset), // default charsets
119:
120: main_class(VClassMAIN_create()),
121: form(*new VForm),
122: mail(*new VMail),
123: response(*new VResponse(arequest_info, charsets)),
124: cookie(*new VCookie),
125:
126: // private
127: configure_admin_done(false),
128:
129: // private defaults
130: fdefault_lang(adefault_lang),
131: // private mime types
132: mime_types(0)
1.157 parser 133: {
1.248 paf 134: // file_no=0 => unknown
1.249 paf 135: file_list+=String::Body("UNKNOWN");
136: file_list+=String::Body("-body of process-"); // pseudo_file_no__process
1.186 paf 137:
1.178 paf 138: // maybe expire old caches
1.248 paf 139: cache_managers.maybe_expire();
1.178 paf 140:
1.157 parser 141: /// directly used
1.233 paf 142: // MAIN class, operators
1.235 paf 143: classes().put(main_class.name(), &main_class);
1.157 parser 144: // classes:
145: // table, file, random, mail, image, ...
1.248 paf 146: methoded_array().register_directly_used(*this);
1.157 parser 147:
148: /// methodless
149: // env class
1.249 paf 150: classes().put(String::Body(ENV_CLASS_NAME), new VEnv(asapi_info));
1.175 paf 151: // status class
1.179 paf 152: if(status_allowed)
1.249 paf 153: classes().put(String::Body(STATUS_CLASS_NAME), new VStatus());
1.157 parser 154: // request class
1.249 paf 155: classes().put(String::Body(REQUEST_CLASS_NAME), new VRequest(arequest_info, charsets));
1.157 parser 156: // cookie class
1.249 paf 157: classes().put(String::Body(COOKIE_CLASS_NAME), &cookie);
1.253 paf 158: // console class
159: classes().put(String::Body(CONSOLE_CLASS_NAME), new VConsole());
1.157 parser 160:
161: /// methoded
162: // response class
1.248 paf 163: classes().put(response.get_class()->name(), &response);
1.157 parser 164:
165: /// bases used
166: // form class
1.248 paf 167: classes().put(form.get_class()->base_class()->name(), &form);
1.213 paf 168: // mail class
1.248 paf 169: classes().put(mail.get_class()->base_class()->name(), &mail);
1.157 parser 170: // math class
1.248 paf 171: {
172: Value& math=*new VMath;
173: classes().put(math.get_class()->base_class()->name(), &math);
174: }
175: // memory class
176: {
177: Value& memory=*new VMemory;
178: classes().put(memory.get_class()->base_class()->name(), &memory);
179: }
1.117 paf 180: }
1.192 paf 181:
182: Request::~Request() {
183: #ifdef XML
184: // if for some strange reason xml generic errors failed to be reported, free them up
1.248 paf 185: if(const char* xml_generic_errors=xmlGenericErrors()) {
186: SAPI::log(sapi_info, "warning: unreported xmlGenericErrors: %s", xml_generic_errors);
1.192 paf 187: free((void *)xml_generic_errors);
188: }
189: #endif
190: }
1.236 paf 191:
1.248 paf 192: Value& Request::get_self() { return method_frame/*always have!*/->self(); }
1.192 paf 193:
1.248 paf 194: static void load_charset(HashStringValue::key_type akey,
195: HashStringValue::value_type avalue,
196: Request_charsets* charsets) {
1.249 paf 197: const String::Body NAME=String(akey, String::L_CLEAN).change_case(charsets->source(), String::CC_UPPER);
1.248 paf 198: ::charsets.load_charset(*charsets, NAME, avalue->as_string());
1.208 paf 199: }
1.248 paf 200: void Request::configure_admin(VStateless_class& conf_class) {
1.208 paf 201: if(configure_admin_done)
202: throw Exception("parser.runtime",
1.248 paf 203: 0,
1.208 paf 204: "parser already configured");
205: configure_admin_done=true;
206:
1.227 paf 207: // charsets must only be specified in method_frame config
1.208 paf 208: // so that users would not interfere
209:
210: /* $MAIN:CHARSETS[
211: $.charsetname1[/full/path/to/charset/file.cfg]
212: ...
213: ]
214: */
1.248 paf 215: if(Value* vcharsets=conf_class.get_element(charsets_name, conf_class, false)) {
1.240 paf 216: if(!vcharsets->is_string())
1.248 paf 217: if(HashStringValue* charsets=vcharsets->get_hash())
218: charsets->for_each(load_charset, &this->charsets);
1.240 paf 219: else
220: throw Exception("parser.runtime",
221: 0,
222: "$" MAIN_CLASS_NAME ":" CHARSETS_NAME " must be hash");
1.208 paf 223: }
224:
1.227 paf 225: // configure method_frame options
1.208 paf 226: // until someone with less privileges have overriden them
1.248 paf 227: methoded_array().configure_admin(*this);
1.208 paf 228: }
1.150 parser 229:
1.64 paf 230: /**
231: load MAIN class, execute @main.
232: MAIN class consists of all the auto.p files we'd manage to find
233: plus
234: the file user requested us to process
235: all located classes become children of one another,
236: composing class we name 'MAIN'
1.180 paf 237:
238: @test log stack trace
239:
1.64 paf 240: */
1.248 paf 241: void Request::core(const char* config_filespec, bool config_fail_on_read_problem, bool header_only) {
1.183 paf 242:
243: #ifdef RESOURCES_DEBUG
244: //measures
245: struct timeval mt[10];
246: //measure:before all
247: gettimeofday(&mt[0],NULL);
248: #endif
1.169 parser 249: try {
1.211 paf 250: // loading config
251: if(config_filespec) {
1.248 paf 252: const String& filespec=*new String(config_filespec);
1.233 paf 253: use_file(main_class,
1.248 paf 254: filespec, 0 /*main_alias*/,
255: true /*ignore class_path*/,
256: config_fail_on_read_problem,
257: true /*file must exist if 'fail on read problem' not set*/);
1.29 paf 258: }
1.8 paf 259:
1.72 paf 260: // loading auto.p files from document_root/..
261: // to the one beside requested file.
262: // all assigned bases from upper dir
263: {
1.248 paf 264: const char* after=request_info.path_translated;
265: size_t drlen=strlen(request_info.document_root);
266: if(memcmp(after, request_info.document_root, drlen)==0) {
1.115 paf 267: after+=drlen;
268: if(after[-1]=='/')
269: --after;
270: }
271:
1.152 parser 272: int step=0;
1.248 paf 273: while(const char* before=strchr(after, '/')) {
274: String& sfile_spec=*new String;
275: if(after!=request_info.path_translated) {
276: sfile_spec.append_strdup(
277: request_info.path_translated, before-request_info.path_translated,
278: String::L_CLEAN);
1.152 parser 279: sfile_spec << "/" AUTO_FILE_NAME;
280:
1.233 paf 281: use_file(main_class,
1.248 paf 282: sfile_spec,
283: 0 /*main_alias*/,
284: true /*ignore class_path*/,
285: true /*fail on read problem*/,
286: false /*but ignore absence, sole user*/);
1.115 paf 287: }
288: after=before+1;
1.72 paf 289: }
290: }
1.34 paf 291:
1.125 paf 292: // compile requested file
1.248 paf 293: String& spath_translated=*new String;
294: spath_translated.append_help_length(request_info.path_translated, 0, String::L_TAINTED);
1.233 paf 295: use_file(main_class,
1.248 paf 296: spath_translated,
297: 0 /*main_alias*/,
298: true /*ignore class_path*/);
1.214 paf 299:
1.227 paf 300: // configure method_frame options if not configured yet
1.214 paf 301: if(!configure_admin_done)
1.248 paf 302: configure_admin(main_class);
1.7 paf 303:
1.227 paf 304: // configure not-method_frame=user options
1.248 paf 305: methoded_array().configure_user(*this);
1.124 paf 306:
1.85 paf 307: // $MAIN:MIME-TYPES
1.248 paf 308: if(Value* element=main_class.get_element(mime_types_name, main_class, false))
1.85 paf 309: if(Table *table=element->get_table())
310: mime_types=table;
1.102 paf 311:
1.124 paf 312: // filling form fields
1.248 paf 313: form.fill_fields_and_tables(charsets, request_info);
1.102 paf 314:
1.124 paf 315: // filling cookies
1.248 paf 316: cookie.fill_fields(request_info);
1.213 paf 317:
318: // filling mail received
319: mail.fill_received(*this);
1.25 paf 320:
1.183 paf 321: #ifdef RESOURCES_DEBUG
322: //measure:after compile
323: gettimeofday(&mt[1],NULL);
324: #endif
1.25 paf 325: // execute @main[]
1.248 paf 326: const String* body_string=execute_virtual_method(main_class, main_method_name);
1.41 paf 327: if(!body_string)
1.197 paf 328: throw Exception("parser.runtime",
1.248 paf 329: 0,
1.145 parser 330: "'"MAIN_METHOD_NAME"' method not found");
1.79 paf 331:
1.183 paf 332: #ifdef RESOURCES_DEBUG
333: //measure:after main
334: gettimeofday(&mt[2],NULL);
335: #endif
336:
1.250 paf 337: // extract response body
338: Value* body_value=response.fields().get(download_name); // $response:download?
339: bool as_attachment=body_value!=0;
340: if(!body_value)
341: body_value=response.fields().get(body_name); // $response:body
342: if(!body_value)
343: body_value=new VString(*body_string); // just result of ^main[]
344:
1.119 paf 345: // @postprocess
1.248 paf 346: if(Value* value=main_class.get_element(post_process_method_name, main_class, false))
347: if(Junction* junction=value->get_junction())
1.91 paf 348: if(const Method *method=junction->method) {
349: // preparing to pass parameters to
1.119 paf 350: // @postprocess[data]
1.248 paf 351: VMethodFrame frame(/*method->name, */ *junction, 0/*no parent*/);
1.233 paf 352: frame.set_self(main_class);
1.91 paf 353:
1.250 paf 354: frame.store_param(*body_value);
355: body_value=&execute_method(frame, *method).as_value();
1.91 paf 356: }
1.90 paf 357:
1.250 paf 358: VFile* body_file=body_value->as_vfile(
1.248 paf 359: String::L_UNSPECIFIED, &charsets);
1.41 paf 360:
1.183 paf 361: #ifdef RESOURCES_DEBUG
362: //measure:after postprocess
363: gettimeofday(&mt[3],NULL);
364: #endif
365:
1.45 paf 366: // OK. write out the result
1.248 paf 367: output_result(body_file, header_only, as_attachment);
1.183 paf 368:
369: #ifdef RESOURCES_DEBUG
370: //measure:after output_result
371: gettimeofday(&mt[9],NULL);
372: t[9]=mt[9].tv_sec+mt[9].tv_usec/1000000.0;
373:
374: double t[10];
375: for(int i=0;i<10;i++)
376: t[i]=mt[i].tv_sec+mt[i].tv_usec/1000000.0;
377: //measure:log2 compile,main,postprocess,output
1.248 paf 378: SAPI::log("rmeasure: %s,%.2f,%.2f,%.2f %.2f,%.2f %.2f",
379: request_info.uri,
1.183 paf 380: t[1]-t[0],
381: t[2]-t[1],
382: t[3]-t[2],
383: sql_connect_time,sql_request_time,
384: t[9]-t[3]
385: );
386: #endif
1.171 parser 387: } catch(const Exception& e) { // request handling problem
1.76 paf 388: // we're returning not result, but error explanation
1.248 paf 389: // try {
390: #define PA_URI_FORMAT "%s: "
391: #define PA_ORIGIN_FILE_POS_FORMAT "%s(%d:%d): "
392: #define PA_SOURCE_FORMAT "'%s' "
393: #define PA_COMMENT_TYPE_FORMAT "%s [%s]"
1.76 paf 394: // log the beast
1.248 paf 395: Request::Exception_details details=get_details(e);
396:
397: if(details.problem_source) { // do we know the guy?
398: if(details.trace) { // do whe know where he came from?
399: Operation::Origin origin=details.trace.origin();
400: SAPI::log(sapi_info,
401: PA_URI_FORMAT
402: PA_ORIGIN_FILE_POS_FORMAT
403: PA_SOURCE_FORMAT PA_COMMENT_TYPE_FORMAT,
404: request_info.uri,
405: file_list[origin.file_no].cstr(), 1+origin.line, 1+origin.col,
406: details.problem_source->cstr(),
407: e.comment(), e.type()
408: );
409: } else
410: SAPI::log(sapi_info,
411: PA_URI_FORMAT
412: PA_SOURCE_FORMAT PA_COMMENT_TYPE_FORMAT,
413: request_info.uri,
414: details.problem_source->cstr(),
415: e.comment(), e.type()
416: );
417: } else
418: SAPI::log(sapi_info,
419: PA_URI_FORMAT
420: PA_COMMENT_TYPE_FORMAT,
421: request_info.uri,
1.206 paf 422: e.comment(), e.type()
1.180 paf 423: );
1.171 parser 424:
1.43 paf 425: // reset language to default
426: flang=fdefault_lang;
427:
428: // reset response
429: response.fields().clear();
430:
431: // this is what we'd return in $response:body
1.248 paf 432: const String* body_string=0;
1.43 paf 433:
1.233 paf 434: // maybe we'd be lucky enough as to report an error
435: // in a gracefull way...
1.248 paf 436: if(Value* value=main_class.get_element(
437: *new String(UNHANDLED_EXCEPTION_METHOD_NAME),
1.237 paf 438: main_class,
1.233 paf 439: false)) {
1.248 paf 440: if(Junction* junction=value->get_junction()) {
1.233 paf 441: if(const Method *method=junction->method) {
1.248 paf 442: // preparing to pass parameters to
443: // @unhandled_exception[exception;stack]
444: VMethodFrame frame(/*method->name, */ *junction, 0/*no caller*/);
445: frame.set_self(main_class);
446:
447: // $exception
448: frame.store_param(details.vhash);
449: // $stack[^table::set{name origin}]
450: Table::columns_type stack_trace_columns(new ArrayString);
451: *stack_trace_columns+=new String("name");
452: *stack_trace_columns+=new String("file");
453: *stack_trace_columns+=new String("lineno");
454: *stack_trace_columns+=new String("colno");
455: Table& stack_trace=*new Table(stack_trace_columns);
456: if(!exception_trace.is_empty()/*signed!*/)
1.251 paf 457: for(size_t i=exception_trace.bottom_index(); i<exception_trace.top_index(); i++) {
1.248 paf 458: Trace trace=exception_trace.get(i);
459: Table::element_type row(new ArrayString);
460:
461: *row+=trace.name(); // name column
462: Operation::Origin origin=trace.origin();
463: if(origin.file_no) {
464: *row+=new String(file_list[origin.file_no], String::L_TAINTED); // 'file' column
1.249 paf 465: *row+=new String(String::Body::Format(1+origin.line), String::L_CLEAN); // 'lineno' column
466: *row+=new String(String::Body::Format(1+origin.col), String::L_CLEAN); // 'colno' column
1.248 paf 467: }
468: stack_trace+=row;
469: }
470: frame.store_param(*new VTable(&stack_trace));
471:
472: // future $response:body=
473: // execute ^unhandled_exception[exception;stack]
1.250 paf 474: body_string=&execute_method(frame, *method).as_string();
1.233 paf 475: }
476: }
1.30 paf 477: }
478:
1.41 paf 479: if(!body_string) { // couldn't report an error beautifully?
480: // doing that ugly
481:
482: // make up result: $origin $source $comment $type $code
1.248 paf 483: char *buf=new(PointerFreeGC) char[MAX_STRING];
1.30 paf 484: size_t printed=0;
1.248 paf 485: if(const String* problem_source=e.problem_source()) {
486: /*const String_fragment::Origin& origin=problem_source->origin();
1.30 paf 487: if(origin.file)
1.180 paf 488: printed+=snprintf(buf+printed, MAX_STRING-printed,
1.248 paf 489: PA_ORIGIN_FILE_POS_FORMAT,
1.180 paf 490: origin.file, 1+origin.line
491: );
1.41 paf 492: printed+=snprintf(buf+printed, MAX_STRING-printed, "'%s' ",
1.248 paf 493: problem_source->cstr().get());
494: */
1.30 paf 495: }
1.248 paf 496: if(const char* comment=e.comment(true))
1.206 paf 497: printed+=snprintf(buf+printed, MAX_STRING-printed, "%s", comment);
1.248 paf 498: if(const char* type=e.type(true))
1.197 paf 499: printed+=snprintf(buf+printed, MAX_STRING-printed, " type: %s", type);
1.43 paf 500:
501: // future $response:content-type
1.248 paf 502: response.fields().put(content_type_name,
503: new VString(*new String(UNHANDLED_EXCEPTION_CONTENT_TYPE)));
1.43 paf 504: // future $response:body
1.248 paf 505: body_string=new String(buf);
1.30 paf 506: }
1.41 paf 507:
1.144 parser 508: VString body_vstring(*body_string);
1.248 paf 509: VFile* body_file=body_vstring.as_vfile(String::L_UNSPECIFIED, &charsets);
1.90 paf 510:
1.45 paf 511: // ERROR. write it out
1.248 paf 512: output_result(body_file, header_only, false);
513: // } catch(const Exception& ) {
514: // rethrow;
515: // }
1.1 paf 516: }
517: }
518:
1.249 paf 519: size_t Request::register_file(String::Body file_spec) {
1.248 paf 520: file_list+=file_spec;
521: return file_list.count()-1;
522: }
523:
524: void Request::use_file(VStateless_class& aclass,
525: const String& file_name, const String* main_alias,
526: bool ignore_class_path,
527: bool fail_on_read_problem,
528: bool fail_on_file_absence) {
1.73 paf 529: // cyclic dependence check
1.148 parser 530: if(used_files.get(file_name))
1.248 paf 531: return;
532: used_files.put(file_name, true);
1.73 paf 533:
1.248 paf 534: const String* file_spec;
1.153 parser 535: if(ignore_class_path) // ignore_class_path?
1.148 parser 536: file_spec=&file_name;
1.248 paf 537: else if(file_name.first_char()=='/') //absolute path? [no need to scan MAIN:CLASS_PATH]
1.153 parser 538: file_spec=&absolute(file_name);
539: else {
540: file_spec=0;
1.248 paf 541: if(Value* element=main_class.get_element(class_path_name, main_class, false)) {
1.233 paf 542: if(element->is_string()) {
543: file_spec=file_readable(absolute(element->as_string()), file_name); // found at class_path?
544: } else if(Table *table=element->get_table()) {
1.248 paf 545: int size=table->count();
1.233 paf 546: for(int i=size; i--; ) {
1.248 paf 547: const String& path=*(*table->get(i))[0];
1.233 paf 548: if(file_spec=file_readable(absolute(path), file_name))
549: break; // found along class_path
550: }
551: } else
552: throw Exception("parser.runtime",
553: 0,
554: "$" CLASS_PATH_NAME " must be string or table");
555: if(!file_spec)
556: throw Exception("parser.runtime",
557: &file_name,
558: "not found along " MAIN_CLASS_NAME ":" CLASS_PATH_NAME);
559: }
1.153 parser 560: if(!file_spec)
1.197 paf 561: throw Exception("parser.runtime",
1.153 parser 562: &file_name,
1.203 paf 563: "usage failed - no $" MAIN_CLASS_NAME ":" CLASS_PATH_NAME " were specified");
1.148 parser 564: }
1.230 paf 565:
566: if(fail_on_read_problem && !fail_on_file_absence) // ignore file absence if asked for
567: if(!entry_exists(*file_spec))
1.248 paf 568: return;
1.3 paf 569:
1.248 paf 570: if(const char* source=file_read_text(charsets, *file_spec, fail_on_read_problem))
571: use_buf(aclass, source, main_alias, register_file(*file_spec));
1.16 paf 572: }
573:
1.208 paf 574:
1.248 paf 575: void Request::use_buf(VStateless_class& aclass,
576: const char* source, const String* main_alias,
577: uint file_no) {
1.233 paf 578: // temporary zero @conf so to maybe-replace it in compiled code
1.248 paf 579: Temp_method temp_method_conf(aclass, conf_method_name, 0);
1.233 paf 580: // temporary zero @auto so to maybe-replace it in compiled code
1.248 paf 581: Temp_method temp_method_auto(aclass, auto_method_name, 0);
1.233 paf 582:
1.5 paf 583: // compile loaded class
1.248 paf 584: VStateless_class& cclass=compile(&aclass, source, main_alias, file_no);
1.212 paf 585:
1.233 paf 586: // locate and execute possible @conf[] static
1.248 paf 587: VString* vfilespec=
588: new VString(*new String(file_list[file_no], String::L_TAINTED));
589: Execute_nonvirtual_method_result executed=execute_nonvirtual_method(cclass,
590: conf_method_name, vfilespec,
591: false/*no string result needed*/);
592: if(executed.method)
593: configure_admin(cclass/*, executed.method->name*/);
1.208 paf 594:
595: // locate and execute possible @auto[] static
1.233 paf 596: execute_nonvirtual_method(cclass,
1.248 paf 597: auto_method_name, vfilespec,
598: false/*no result needed*/);
1.19 paf 599: }
600:
1.248 paf 601: const String& Request::relative(const char* apath, const String& relative_name) {
602: char *hpath=strdup(apath);
603: String& result=*new String;
604: if(rsplit(hpath, '/')) // if something/splitted
1.217 paf 605: result << hpath << "/";
1.248 paf 606: result << relative_name;
607: return result;
1.19 paf 608: }
609:
1.77 paf 610: const String& Request::absolute(const String& relative_name) {
1.217 paf 611: if(relative_name.first_char()=='/') {
1.248 paf 612: String& result=*new String(strdup(request_info.document_root));
1.104 paf 613: result << relative_name;
1.19 paf 614: return result;
615: } else
1.248 paf 616: if(relative_name.pos("://")!=STRING_NOT_FOUND // something like "http://xxx"
1.247 paf 617: #ifdef WIN32
618: || relative_name.pos(":")==1 // DRIVE:
619: || relative_name.starts_with("\\\\") // UNC1
620: || relative_name.starts_with("//") // UNC2
621: #endif
622: )
623: return relative_name;
624: else
1.248 paf 625: return relative(request_info.path_translated, relative_name);
1.1 paf 626: }
1.45 paf 627:
1.248 paf 628: static void add_header_attribute(
629: HashStringValue::key_type aattribute,
630: HashStringValue::value_type ameaning,
631: Request *r) {
1.184 paf 632: if(aattribute==BODY_NAME
1.244 paf 633: || aattribute==DOWNLOAD_NAME
1.184 paf 634: || aattribute==CHARSET_NAME)
1.101 paf 635: return;
636:
1.248 paf 637: SAPI::add_header_attribute(r->sapi_info,
1.173 paf 638: aattribute.cstr(),
1.248 paf 639: attributed_meaning_to_string(*ameaning, String::L_HTTP_HEADER, false).
640: cstr(String::L_UNSPECIFIED));
1.101 paf 641: }
1.248 paf 642: void Request::output_result(VFile* body_file, bool header_only, bool as_attachment) {
1.51 paf 643: // header: cookies
1.248 paf 644: cookie.output_result(sapi_info);
1.51 paf 645:
1.248 paf 646: Value* body_file_content_type;
1.90 paf 647: // set content-type
1.248 paf 648: if(body_file_content_type=body_file->fields().get(content_type_name)) {
1.90 paf 649: // body file content type
1.248 paf 650: response.fields().put(content_type_name, body_file_content_type);
1.90 paf 651: } else {
652: // default content type
1.248 paf 653: response.fields().put_dont_replace(content_type_name,
654: new VString(*new String(DEFAULT_CONTENT_TYPE)));
1.92 paf 655: }
656:
657: // content-disposition
1.248 paf 658: if(Value* vfile_name=body_file->fields().get(name_name))
659: if(*vfile_name->get_string()!=NONAME_DAT) {
660: VHash& hash=*new VHash();
661: HashStringValue &h=hash.hash();
1.244 paf 662: if(as_attachment)
1.248 paf 663: h.put(value_name, new VString(content_disposition_value));
664: h.put(content_disposition_filename_name, vfile_name);
665: response.fields().put(content_disposition_name, &hash);
1.111 paf 666: }
1.49 paf 667:
1.62 paf 668: // prepare header: $response:fields without :body
1.178 paf 669: response.fields().for_each(add_header_attribute, this);
1.50 paf 670:
1.220 paf 671: // transcode text body when "text/*" or simple result
1.223 paf 672: if(body_file_content_type)
1.248 paf 673: if(HashStringValue *hash=body_file_content_type->get_hash())
674: body_file_content_type=hash->get(value_name);
675: String::C output(body_file->value_ptr(), body_file->value_size());
676: if(!body_file_content_type/*vstring.as_vfile*/ || body_file_content_type->as_string().pos("text/")==0)
677: output=Charset::transcode(output,
678: charsets.source(),
679: charsets.client());
1.50 paf 680:
1.62 paf 681: // prepare header: content-length
1.200 paf 682: char content_length_cstr[MAX_NUMBER];
1.248 paf 683: snprintf(content_length_cstr, MAX_NUMBER, "%u", output.length);
684: SAPI::add_header_attribute(sapi_info, "content-length", content_length_cstr);
1.62 paf 685:
686: // send header
1.248 paf 687: SAPI::send_header(sapi_info);
1.71 paf 688:
1.62 paf 689: // send body
690: if(!header_only)
1.248 paf 691: SAPI::send_body(sapi_info, output.str, output.length);
1.50 paf 692: }
1.104 paf 693:
1.248 paf 694: const String& Request::mime_type_of(const char* user_file_name_cstr) {
1.104 paf 695: if(mime_types)
1.248 paf 696: if(const char* cext=strrchr(user_file_name_cstr, '.')) {
697: String sext(++cext);
1.246 paf 698: Table::Action_options options;
1.248 paf 699: if(mime_types->locate(0, sext.change_case(charsets.source(), String::CC_LOWER), options))
700: if(const String* result=mime_types->item(1))
701: return *result;
1.104 paf 702: else
1.197 paf 703: throw Exception("parser.runtime",
1.248 paf 704: 0,
1.212 paf 705: MIME_TYPES_NAME " table column elements must not be empty");
1.104 paf 706: }
1.248 paf 707:
708: return *new String("application/octet-stream");
709: }
710:
711: #ifdef XML
712: GdomeDOMString_auto_ptr Request::transcode(const String& s) {
713: return charsets.source().transcode(s);
714: }
715:
1.249 paf 716: GdomeDOMString_auto_ptr Request::transcode(const String::Body s) {
1.248 paf 717: return charsets.source().transcode(s);
718: }
719:
720: const String& Request::transcode(GdomeDOMString* s) {
721: return charsets.source().transcode(s);
722: }
723:
724: const String& Request::transcode(xmlChar* s) {
725: return charsets.source().transcode(s);
1.233 paf 726: }
1.248 paf 727: #endif
728:
729:
730: const Request::Trace Request::Exception_trace::extract_origin(const String*& problem_source) {
731: Trace result;
732: if(!is_empty()) {
733: result=bottom_value();
734: if(!problem_source) { // we don't know who trigged the bug?
735: problem_source=result.name(); // consider the stack-top-guy did that
736: fbottom++;
737: } else if(result.name()==problem_source) // it is that same guy?
738: fbottom++; // throw away that trace
739: // else stack top contains not us,
740: // leaving result intact
741: // it would help ^throw
742: }
743:
744: return result;
745: }
746:
747: Request::Exception_details Request::get_details(const Exception& e) {
748: const String* problem_source=e.problem_source();
749: Trace trace=exception_trace.extract_origin(problem_source);
750:
751: VHash& vhash=*new VHash; HashStringValue& hash=vhash.hash();
752:
753: // $.type
754: if(const char* type=e.type(true))
755: hash.put(exception_type_part_name, new VString(*new String(type)));
756:
757: // $.source
758: if(problem_source) {
759: String& source=*new String;
760: source.append(*problem_source, String::L_TAINTED, true/*forced*/);
761:
762: hash.put(exception_source_part_name, new VString(source));
763: }
764:
765: // $.file lineno colno
766: if(trace) {
767: const Operation::Origin origin=trace.origin();
1.249 paf 768: hash.put(String::Body("file"),
1.248 paf 769: new VString(*new String(file_list[origin.file_no], String::L_TAINTED)));
1.249 paf 770: hash.put(String::Body("lineno"), new VInt(1+origin.line));
771: hash.put(String::Body("colno"), new VInt(1+origin.col));
1.248 paf 772: }
773:
774: // $.comment
775: if(const char* comment=e.comment(true))
776: hash.put(exception_comment_part_name,
777: new VString(*new String(comment, 0, true/*tainted*/)));
778:
779: // $.handled(0)
780: hash.put(exception_handled_part_name, new VBool(false));
1.233 paf 781:
1.248 paf 782: return Request::Exception_details(trace, problem_source, vhash);
1.133 parser 783: }
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