Annotation of parser3/src/main/pa_request.C, revision 1.248
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:
1.248 ! paf 8: static const char* IDENT_REQUEST_C="$Date: 2003/07/23 08:40:54 $";
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"
1.159 parser 34:
1.248 ! paf 35: // consts
! 36:
! 37: const char* UNHANDLED_EXCEPTION_METHOD_NAME="unhandled_exception";
1.207 paf 38:
1.82 paf 39: /// content type of exception response, when no @MAIN:exception handler defined
1.248 ! paf 40: const char* UNHANDLED_EXCEPTION_CONTENT_TYPE="text/plain";
1.82 paf 41:
42: /// content type of response when no $MAIN:defaults.content-type defined
1.248 ! paf 43: const char* DEFAULT_CONTENT_TYPE="text/html";
! 44: const char* ORIGINS_CONTENT_TYPE="text/plain";
! 45:
! 46: // defines for globals
! 47:
! 48: #define MAIN_METHOD_NAME "main"
! 49: #define AUTO_METHOD_NAME "auto"
! 50: #define BODY_NAME "body"
! 51: #define EXCEPTION_TYPE_PART_NAME "type"
! 52: #define EXCEPTION_SOURCE_PART_NAME "source"
! 53: #define EXCEPTION_COMMENT_PART_NAME "comment"
! 54: #define EXCEPTION_HANDLED_PART_NAME "handled"
! 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,
! 97: String::Language adefault_lang, bool status_allowed):
! 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
! 135: file_list+=StringBody("UNKNOWN");
! 136: file_list+=StringBody("-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
1.248 ! paf 150: classes().put(StringBody(ENV_CLASS_NAME), new VEnv(asapi_info));
1.175 paf 151: // status class
1.179 paf 152: if(status_allowed)
1.248 ! paf 153: classes().put(StringBody(STATUS_CLASS_NAME), new VStatus());
1.157 parser 154: // request class
1.248 ! paf 155: classes().put(StringBody(REQUEST_CLASS_NAME), new VRequest(arequest_info, charsets));
1.157 parser 156: // cookie class
1.248 ! paf 157: classes().put(StringBody(COOKIE_CLASS_NAME), &cookie);
1.157 parser 158:
159: /// methoded
160: // response class
1.248 ! paf 161: classes().put(response.get_class()->name(), &response);
1.157 parser 162:
163: /// bases used
164: // form class
1.248 ! paf 165: classes().put(form.get_class()->base_class()->name(), &form);
1.213 paf 166: // mail class
1.248 ! paf 167: classes().put(mail.get_class()->base_class()->name(), &mail);
1.157 parser 168: // math class
1.248 ! paf 169: {
! 170: Value& math=*new VMath;
! 171: classes().put(math.get_class()->base_class()->name(), &math);
! 172: }
! 173: // memory class
! 174: {
! 175: Value& memory=*new VMemory;
! 176: classes().put(memory.get_class()->base_class()->name(), &memory);
! 177: }
1.117 paf 178: }
1.192 paf 179:
180: Request::~Request() {
181: #ifdef XML
182: // if for some strange reason xml generic errors failed to be reported, free them up
1.248 ! paf 183: if(const char* xml_generic_errors=xmlGenericErrors()) {
! 184: SAPI::log(sapi_info, "warning: unreported xmlGenericErrors: %s", xml_generic_errors);
1.192 paf 185: free((void *)xml_generic_errors);
186: }
187: #endif
188: }
1.236 paf 189:
1.248 ! paf 190: Value& Request::get_self() { return method_frame/*always have!*/->self(); }
1.192 paf 191:
1.248 ! paf 192: static void load_charset(HashStringValue::key_type akey,
! 193: HashStringValue::value_type avalue,
! 194: Request_charsets* charsets) {
! 195: const StringBody NAME=String(akey, String::L_CLEAN).change_case(charsets->source(), String::CC_UPPER);
! 196: ::charsets.load_charset(*charsets, NAME, avalue->as_string());
1.208 paf 197: }
1.248 ! paf 198: void Request::configure_admin(VStateless_class& conf_class) {
1.208 paf 199: if(configure_admin_done)
200: throw Exception("parser.runtime",
1.248 ! paf 201: 0,
1.208 paf 202: "parser already configured");
203: configure_admin_done=true;
204:
1.227 paf 205: // charsets must only be specified in method_frame config
1.208 paf 206: // so that users would not interfere
207:
208: /* $MAIN:CHARSETS[
209: $.charsetname1[/full/path/to/charset/file.cfg]
210: ...
211: ]
212: */
1.248 ! paf 213: if(Value* vcharsets=conf_class.get_element(charsets_name, conf_class, false)) {
1.240 paf 214: if(!vcharsets->is_string())
1.248 ! paf 215: if(HashStringValue* charsets=vcharsets->get_hash())
! 216: charsets->for_each(load_charset, &this->charsets);
1.240 paf 217: else
218: throw Exception("parser.runtime",
219: 0,
220: "$" MAIN_CLASS_NAME ":" CHARSETS_NAME " must be hash");
1.208 paf 221: }
222:
1.227 paf 223: // configure method_frame options
1.208 paf 224: // until someone with less privileges have overriden them
1.248 ! paf 225: methoded_array().configure_admin(*this);
1.208 paf 226: }
1.150 parser 227:
1.64 paf 228: /**
229: load MAIN class, execute @main.
230: MAIN class consists of all the auto.p files we'd manage to find
231: plus
232: the file user requested us to process
233: all located classes become children of one another,
234: composing class we name 'MAIN'
1.180 paf 235:
236: @test log stack trace
237:
1.64 paf 238: */
1.248 ! paf 239: void Request::core(const char* config_filespec, bool config_fail_on_read_problem, bool header_only) {
1.183 paf 240:
241: #ifdef RESOURCES_DEBUG
242: //measures
243: struct timeval mt[10];
244: //measure:before all
245: gettimeofday(&mt[0],NULL);
246: #endif
1.169 parser 247: try {
1.211 paf 248: // loading config
249: if(config_filespec) {
1.248 ! paf 250: const String& filespec=*new String(config_filespec);
1.233 paf 251: use_file(main_class,
1.248 ! paf 252: filespec, 0 /*main_alias*/,
! 253: true /*ignore class_path*/,
! 254: config_fail_on_read_problem,
! 255: true /*file must exist if 'fail on read problem' not set*/);
1.29 paf 256: }
1.8 paf 257:
1.72 paf 258: // loading auto.p files from document_root/..
259: // to the one beside requested file.
260: // all assigned bases from upper dir
261: {
1.248 ! paf 262: const char* after=request_info.path_translated;
! 263: size_t drlen=strlen(request_info.document_root);
! 264: if(memcmp(after, request_info.document_root, drlen)==0) {
1.115 paf 265: after+=drlen;
266: if(after[-1]=='/')
267: --after;
268: }
269:
1.152 parser 270: int step=0;
1.248 ! paf 271: while(const char* before=strchr(after, '/')) {
! 272: String& sfile_spec=*new String;
! 273: if(after!=request_info.path_translated) {
! 274: sfile_spec.append_strdup(
! 275: request_info.path_translated, before-request_info.path_translated,
! 276: String::L_CLEAN);
1.152 parser 277: sfile_spec << "/" AUTO_FILE_NAME;
278:
1.233 paf 279: use_file(main_class,
1.248 ! paf 280: sfile_spec,
! 281: 0 /*main_alias*/,
! 282: true /*ignore class_path*/,
! 283: true /*fail on read problem*/,
! 284: false /*but ignore absence, sole user*/);
1.115 paf 285: }
286: after=before+1;
1.72 paf 287: }
288: }
1.34 paf 289:
1.125 paf 290: // compile requested file
1.248 ! paf 291: String& spath_translated=*new String;
! 292: spath_translated.append_help_length(request_info.path_translated, 0, String::L_TAINTED);
1.233 paf 293: use_file(main_class,
1.248 ! paf 294: spath_translated,
! 295: 0 /*main_alias*/,
! 296: true /*ignore class_path*/);
1.214 paf 297:
1.227 paf 298: // configure method_frame options if not configured yet
1.214 paf 299: if(!configure_admin_done)
1.248 ! paf 300: configure_admin(main_class);
1.7 paf 301:
1.227 paf 302: // configure not-method_frame=user options
1.248 ! paf 303: methoded_array().configure_user(*this);
1.124 paf 304:
1.85 paf 305: // $MAIN:MIME-TYPES
1.248 ! paf 306: if(Value* element=main_class.get_element(mime_types_name, main_class, false))
1.85 paf 307: if(Table *table=element->get_table())
308: mime_types=table;
1.102 paf 309:
1.124 paf 310: // filling form fields
1.248 ! paf 311: form.fill_fields_and_tables(charsets, request_info);
1.102 paf 312:
1.124 paf 313: // filling cookies
1.248 ! paf 314: cookie.fill_fields(request_info);
1.213 paf 315:
316: // filling mail received
317: mail.fill_received(*this);
1.25 paf 318:
1.183 paf 319: #ifdef RESOURCES_DEBUG
320: //measure:after compile
321: gettimeofday(&mt[1],NULL);
322: #endif
1.25 paf 323: // execute @main[]
1.248 ! paf 324: const String* body_string=execute_virtual_method(main_class, main_method_name);
1.41 paf 325: if(!body_string)
1.197 paf 326: throw Exception("parser.runtime",
1.248 ! paf 327: 0,
1.145 parser 328: "'"MAIN_METHOD_NAME"' method not found");
1.79 paf 329:
1.183 paf 330: #ifdef RESOURCES_DEBUG
331: //measure:after main
332: gettimeofday(&mt[2],NULL);
333: #endif
334:
1.248 ! paf 335: VString& body_vstring_before_post_process=*new VString(*body_string);
! 336: VString* body_vstring_after_post_process=&body_vstring_before_post_process;
1.119 paf 337: // @postprocess
1.248 ! paf 338: if(Value* value=main_class.get_element(post_process_method_name, main_class, false))
! 339: if(Junction* junction=value->get_junction())
1.91 paf 340: if(const Method *method=junction->method) {
341: // preparing to pass parameters to
1.119 paf 342: // @postprocess[data]
1.248 ! paf 343: VMethodFrame frame(/*method->name, */ *junction, 0/*no parent*/);
1.233 paf 344: frame.set_self(main_class);
1.91 paf 345:
1.248 ! paf 346: frame.store_param(body_vstring_before_post_process);
1.91 paf 347: body_vstring_after_post_process=
1.248 ! paf 348: new VString(execute_method(frame, *method));
1.91 paf 349: }
1.90 paf 350:
1.248 ! paf 351: VFile* body_file=body_vstring_after_post_process->as_vfile(
! 352: String::L_UNSPECIFIED, &charsets);
1.41 paf 353:
1.45 paf 354: // extract response body
1.248 ! paf 355: Value* body_value=response.fields().get(download_name);
1.244 paf 356: bool as_attachment=body_value!=0;
357: if(!body_value)
1.248 ! paf 358: body_value=response.fields().get(body_name);
1.244 paf 359:
1.216 paf 360: if(body_value) // there is some $response:body
1.248 ! paf 361: body_file=body_value->as_vfile(String::L_UNSPECIFIED, &charsets);
1.45 paf 362:
1.183 paf 363: #ifdef RESOURCES_DEBUG
364: //measure:after postprocess
365: gettimeofday(&mt[3],NULL);
366: #endif
367:
1.45 paf 368: // OK. write out the result
1.248 ! paf 369: output_result(body_file, header_only, as_attachment);
1.183 paf 370:
371: #ifdef RESOURCES_DEBUG
372: //measure:after output_result
373: gettimeofday(&mt[9],NULL);
374: t[9]=mt[9].tv_sec+mt[9].tv_usec/1000000.0;
375:
376: double t[10];
377: for(int i=0;i<10;i++)
378: t[i]=mt[i].tv_sec+mt[i].tv_usec/1000000.0;
379: //measure:log2 compile,main,postprocess,output
1.248 ! paf 380: SAPI::log("rmeasure: %s,%.2f,%.2f,%.2f %.2f,%.2f %.2f",
! 381: request_info.uri,
1.183 paf 382: t[1]-t[0],
383: t[2]-t[1],
384: t[3]-t[2],
385: sql_connect_time,sql_request_time,
386: t[9]-t[3]
387: );
388: #endif
1.171 parser 389: } catch(const Exception& e) { // request handling problem
1.76 paf 390: // we're returning not result, but error explanation
1.248 ! paf 391: // try {
! 392: #define PA_URI_FORMAT "%s: "
! 393: #define PA_ORIGIN_FILE_POS_FORMAT "%s(%d:%d): "
! 394: #define PA_SOURCE_FORMAT "'%s' "
! 395: #define PA_COMMENT_TYPE_FORMAT "%s [%s]"
1.76 paf 396: // log the beast
1.248 ! paf 397: Request::Exception_details details=get_details(e);
! 398:
! 399: if(details.problem_source) { // do we know the guy?
! 400: if(details.trace) { // do whe know where he came from?
! 401: Operation::Origin origin=details.trace.origin();
! 402: SAPI::log(sapi_info,
! 403: PA_URI_FORMAT
! 404: PA_ORIGIN_FILE_POS_FORMAT
! 405: PA_SOURCE_FORMAT PA_COMMENT_TYPE_FORMAT,
! 406: request_info.uri,
! 407: file_list[origin.file_no].cstr(), 1+origin.line, 1+origin.col,
! 408: details.problem_source->cstr(),
! 409: e.comment(), e.type()
! 410: );
! 411: } else
! 412: SAPI::log(sapi_info,
! 413: PA_URI_FORMAT
! 414: PA_SOURCE_FORMAT PA_COMMENT_TYPE_FORMAT,
! 415: request_info.uri,
! 416: details.problem_source->cstr(),
! 417: e.comment(), e.type()
! 418: );
! 419: } else
! 420: SAPI::log(sapi_info,
! 421: PA_URI_FORMAT
! 422: PA_COMMENT_TYPE_FORMAT,
! 423: request_info.uri,
1.206 paf 424: e.comment(), e.type()
1.180 paf 425: );
1.171 parser 426:
1.43 paf 427: // reset language to default
428: flang=fdefault_lang;
429:
430: // reset response
431: response.fields().clear();
432:
433: // this is what we'd return in $response:body
1.248 ! paf 434: const String* body_string=0;
1.43 paf 435:
1.233 paf 436: // maybe we'd be lucky enough as to report an error
437: // in a gracefull way...
1.248 ! paf 438: if(Value* value=main_class.get_element(
! 439: *new String(UNHANDLED_EXCEPTION_METHOD_NAME),
1.237 paf 440: main_class,
1.233 paf 441: false)) {
1.248 ! paf 442: if(Junction* junction=value->get_junction()) {
1.233 paf 443: if(const Method *method=junction->method) {
1.248 ! paf 444: // preparing to pass parameters to
! 445: // @unhandled_exception[exception;stack]
! 446: VMethodFrame frame(/*method->name, */ *junction, 0/*no caller*/);
! 447: frame.set_self(main_class);
! 448:
! 449: // $exception
! 450: frame.store_param(details.vhash);
! 451: // $stack[^table::set{name origin}]
! 452: Table::columns_type stack_trace_columns(new ArrayString);
! 453: *stack_trace_columns+=new String("name");
! 454: *stack_trace_columns+=new String("file");
! 455: *stack_trace_columns+=new String("lineno");
! 456: *stack_trace_columns+=new String("colno");
! 457: Table& stack_trace=*new Table(stack_trace_columns);
! 458: if(!exception_trace.is_empty()/*signed!*/)
! 459: for(size_t i=exception_trace.bottom_index(); i<exception_trace.top(); i++) {
! 460: Trace trace=exception_trace.get(i);
! 461: Table::element_type row(new ArrayString);
! 462:
! 463: *row+=trace.name(); // name column
! 464: Operation::Origin origin=trace.origin();
! 465: if(origin.file_no) {
! 466: *row+=new String(file_list[origin.file_no], String::L_TAINTED); // 'file' column
! 467: *row+=new String(StringBody::Format(1+origin.line), String::L_CLEAN); // 'lineno' column
! 468: *row+=new String(StringBody::Format(1+origin.col), String::L_CLEAN); // 'colno' column
! 469: }
! 470: stack_trace+=row;
! 471: }
! 472: frame.store_param(*new VTable(&stack_trace));
! 473:
! 474: // future $response:body=
! 475: // execute ^unhandled_exception[exception;stack]
! 476: body_string=&execute_method(frame, *method);
1.233 paf 477: }
478: }
1.30 paf 479: }
480:
1.41 paf 481: if(!body_string) { // couldn't report an error beautifully?
482: // doing that ugly
483:
484: // make up result: $origin $source $comment $type $code
1.248 ! paf 485: char *buf=new(PointerFreeGC) char[MAX_STRING];
1.30 paf 486: size_t printed=0;
1.248 ! paf 487: if(const String* problem_source=e.problem_source()) {
! 488: /*const String_fragment::Origin& origin=problem_source->origin();
1.30 paf 489: if(origin.file)
1.180 paf 490: printed+=snprintf(buf+printed, MAX_STRING-printed,
1.248 ! paf 491: PA_ORIGIN_FILE_POS_FORMAT,
1.180 paf 492: origin.file, 1+origin.line
493: );
1.41 paf 494: printed+=snprintf(buf+printed, MAX_STRING-printed, "'%s' ",
1.248 ! paf 495: problem_source->cstr().get());
! 496: */
1.30 paf 497: }
1.248 ! paf 498: if(const char* comment=e.comment(true))
1.206 paf 499: printed+=snprintf(buf+printed, MAX_STRING-printed, "%s", comment);
1.248 ! paf 500: if(const char* type=e.type(true))
1.197 paf 501: printed+=snprintf(buf+printed, MAX_STRING-printed, " type: %s", type);
1.43 paf 502:
503: // future $response:content-type
1.248 ! paf 504: response.fields().put(content_type_name,
! 505: new VString(*new String(UNHANDLED_EXCEPTION_CONTENT_TYPE)));
1.43 paf 506: // future $response:body
1.248 ! paf 507: body_string=new String(buf);
1.30 paf 508: }
1.41 paf 509:
1.144 parser 510: VString body_vstring(*body_string);
1.248 ! paf 511: VFile* body_file=body_vstring.as_vfile(String::L_UNSPECIFIED, &charsets);
1.90 paf 512:
1.45 paf 513: // ERROR. write it out
1.248 ! paf 514: output_result(body_file, header_only, false);
! 515: // } catch(const Exception& ) {
! 516: // rethrow;
! 517: // }
1.1 paf 518: }
519: }
520:
1.248 ! paf 521: size_t Request::register_file(StringBody file_spec) {
! 522: file_list+=file_spec;
! 523: return file_list.count()-1;
! 524: }
! 525:
! 526: void Request::use_file(VStateless_class& aclass,
! 527: const String& file_name, const String* main_alias,
! 528: bool ignore_class_path,
! 529: bool fail_on_read_problem,
! 530: bool fail_on_file_absence) {
1.73 paf 531: // cyclic dependence check
1.148 parser 532: if(used_files.get(file_name))
1.248 ! paf 533: return;
! 534: used_files.put(file_name, true);
1.73 paf 535:
1.248 ! paf 536: const String* file_spec;
1.153 parser 537: if(ignore_class_path) // ignore_class_path?
1.148 parser 538: file_spec=&file_name;
1.248 ! paf 539: else if(file_name.first_char()=='/') //absolute path? [no need to scan MAIN:CLASS_PATH]
1.153 parser 540: file_spec=&absolute(file_name);
541: else {
542: file_spec=0;
1.248 ! paf 543: if(Value* element=main_class.get_element(class_path_name, main_class, false)) {
1.233 paf 544: if(element->is_string()) {
545: file_spec=file_readable(absolute(element->as_string()), file_name); // found at class_path?
546: } else if(Table *table=element->get_table()) {
1.248 ! paf 547: int size=table->count();
1.233 paf 548: for(int i=size; i--; ) {
1.248 ! paf 549: const String& path=*(*table->get(i))[0];
1.233 paf 550: if(file_spec=file_readable(absolute(path), file_name))
551: break; // found along class_path
552: }
553: } else
554: throw Exception("parser.runtime",
555: 0,
556: "$" CLASS_PATH_NAME " must be string or table");
557: if(!file_spec)
558: throw Exception("parser.runtime",
559: &file_name,
560: "not found along " MAIN_CLASS_NAME ":" CLASS_PATH_NAME);
561: }
1.153 parser 562: if(!file_spec)
1.197 paf 563: throw Exception("parser.runtime",
1.153 parser 564: &file_name,
1.203 paf 565: "usage failed - no $" MAIN_CLASS_NAME ":" CLASS_PATH_NAME " were specified");
1.148 parser 566: }
1.230 paf 567:
568: if(fail_on_read_problem && !fail_on_file_absence) // ignore file absence if asked for
569: if(!entry_exists(*file_spec))
1.248 ! paf 570: return;
1.3 paf 571:
1.248 ! paf 572: if(const char* source=file_read_text(charsets, *file_spec, fail_on_read_problem))
! 573: use_buf(aclass, source, main_alias, register_file(*file_spec));
1.16 paf 574: }
575:
1.208 paf 576:
1.248 ! paf 577: void Request::use_buf(VStateless_class& aclass,
! 578: const char* source, const String* main_alias,
! 579: uint file_no) {
1.233 paf 580: // temporary zero @conf so to maybe-replace it in compiled code
1.248 ! paf 581: Temp_method temp_method_conf(aclass, conf_method_name, 0);
1.233 paf 582: // temporary zero @auto so to maybe-replace it in compiled code
1.248 ! paf 583: Temp_method temp_method_auto(aclass, auto_method_name, 0);
1.233 paf 584:
1.5 paf 585: // compile loaded class
1.248 ! paf 586: VStateless_class& cclass=compile(&aclass, source, main_alias, file_no);
1.212 paf 587:
1.233 paf 588: // locate and execute possible @conf[] static
1.248 ! paf 589: VString* vfilespec=
! 590: new VString(*new String(file_list[file_no], String::L_TAINTED));
! 591: Execute_nonvirtual_method_result executed=execute_nonvirtual_method(cclass,
! 592: conf_method_name, vfilespec,
! 593: false/*no string result needed*/);
! 594: if(executed.method)
! 595: configure_admin(cclass/*, executed.method->name*/);
1.208 paf 596:
597: // locate and execute possible @auto[] static
1.233 paf 598: execute_nonvirtual_method(cclass,
1.248 ! paf 599: auto_method_name, vfilespec,
! 600: false/*no result needed*/);
1.19 paf 601: }
602:
1.248 ! paf 603: const String& Request::relative(const char* apath, const String& relative_name) {
! 604: char *hpath=strdup(apath);
! 605: String& result=*new String;
! 606: if(rsplit(hpath, '/')) // if something/splitted
1.217 paf 607: result << hpath << "/";
1.248 ! paf 608: result << relative_name;
! 609: return result;
1.19 paf 610: }
611:
1.77 paf 612: const String& Request::absolute(const String& relative_name) {
1.217 paf 613: if(relative_name.first_char()=='/') {
1.248 ! paf 614: String& result=*new String(strdup(request_info.document_root));
1.104 paf 615: result << relative_name;
1.19 paf 616: return result;
617: } else
1.248 ! paf 618: if(relative_name.pos("://")!=STRING_NOT_FOUND // something like "http://xxx"
1.247 paf 619: #ifdef WIN32
620: || relative_name.pos(":")==1 // DRIVE:
621: || relative_name.starts_with("\\\\") // UNC1
622: || relative_name.starts_with("//") // UNC2
623: #endif
624: )
625: return relative_name;
626: else
1.248 ! paf 627: return relative(request_info.path_translated, relative_name);
1.1 paf 628: }
1.45 paf 629:
1.248 ! paf 630: static void add_header_attribute(
! 631: HashStringValue::key_type aattribute,
! 632: HashStringValue::value_type ameaning,
! 633: Request *r) {
1.184 paf 634: if(aattribute==BODY_NAME
1.244 paf 635: || aattribute==DOWNLOAD_NAME
1.184 paf 636: || aattribute==CHARSET_NAME)
1.101 paf 637: return;
638:
1.248 ! paf 639: SAPI::add_header_attribute(r->sapi_info,
1.173 paf 640: aattribute.cstr(),
1.248 ! paf 641: attributed_meaning_to_string(*ameaning, String::L_HTTP_HEADER, false).
! 642: cstr(String::L_UNSPECIFIED));
1.101 paf 643: }
1.248 ! paf 644: void Request::output_result(VFile* body_file, bool header_only, bool as_attachment) {
1.51 paf 645: // header: cookies
1.248 ! paf 646: cookie.output_result(sapi_info);
1.51 paf 647:
1.248 ! paf 648: Value* body_file_content_type;
1.90 paf 649: // set content-type
1.248 ! paf 650: if(body_file_content_type=body_file->fields().get(content_type_name)) {
1.90 paf 651: // body file content type
1.248 ! paf 652: response.fields().put(content_type_name, body_file_content_type);
1.90 paf 653: } else {
654: // default content type
1.248 ! paf 655: response.fields().put_dont_replace(content_type_name,
! 656: new VString(*new String(DEFAULT_CONTENT_TYPE)));
1.92 paf 657: }
658:
659: // content-disposition
1.248 ! paf 660: if(Value* vfile_name=body_file->fields().get(name_name))
! 661: if(*vfile_name->get_string()!=NONAME_DAT) {
! 662: VHash& hash=*new VHash();
! 663: HashStringValue &h=hash.hash();
1.244 paf 664: if(as_attachment)
1.248 ! paf 665: h.put(value_name, new VString(content_disposition_value));
! 666: h.put(content_disposition_filename_name, vfile_name);
! 667: response.fields().put(content_disposition_name, &hash);
1.111 paf 668: }
1.49 paf 669:
1.62 paf 670: // prepare header: $response:fields without :body
1.178 paf 671: response.fields().for_each(add_header_attribute, this);
1.50 paf 672:
1.220 paf 673: // transcode text body when "text/*" or simple result
1.223 paf 674: if(body_file_content_type)
1.248 ! paf 675: if(HashStringValue *hash=body_file_content_type->get_hash())
! 676: body_file_content_type=hash->get(value_name);
! 677: String::C output(body_file->value_ptr(), body_file->value_size());
! 678: if(!body_file_content_type/*vstring.as_vfile*/ || body_file_content_type->as_string().pos("text/")==0)
! 679: output=Charset::transcode(output,
! 680: charsets.source(),
! 681: charsets.client());
1.50 paf 682:
1.62 paf 683: // prepare header: content-length
1.200 paf 684: char content_length_cstr[MAX_NUMBER];
1.248 ! paf 685: snprintf(content_length_cstr, MAX_NUMBER, "%u", output.length);
! 686: SAPI::add_header_attribute(sapi_info, "content-length", content_length_cstr);
1.62 paf 687:
688: // send header
1.248 ! paf 689: SAPI::send_header(sapi_info);
1.71 paf 690:
1.62 paf 691: // send body
692: if(!header_only)
1.248 ! paf 693: SAPI::send_body(sapi_info, output.str, output.length);
1.50 paf 694: }
1.104 paf 695:
1.248 ! paf 696: const String& Request::mime_type_of(const char* user_file_name_cstr) {
1.104 paf 697: if(mime_types)
1.248 ! paf 698: if(const char* cext=strrchr(user_file_name_cstr, '.')) {
! 699: String sext(++cext);
1.246 paf 700: Table::Action_options options;
1.248 ! paf 701: if(mime_types->locate(0, sext.change_case(charsets.source(), String::CC_LOWER), options))
! 702: if(const String* result=mime_types->item(1))
! 703: return *result;
1.104 paf 704: else
1.197 paf 705: throw Exception("parser.runtime",
1.248 ! paf 706: 0,
1.212 paf 707: MIME_TYPES_NAME " table column elements must not be empty");
1.104 paf 708: }
1.248 ! paf 709:
! 710: return *new String("application/octet-stream");
! 711: }
! 712:
! 713: #ifdef XML
! 714: GdomeDOMString_auto_ptr Request::transcode(const String& s) {
! 715: return charsets.source().transcode(s);
! 716: }
! 717:
! 718: GdomeDOMString_auto_ptr Request::transcode(const StringBody s) {
! 719: return charsets.source().transcode(s);
! 720: }
! 721:
! 722: const String& Request::transcode(GdomeDOMString* s) {
! 723: return charsets.source().transcode(s);
! 724: }
! 725:
! 726: const String& Request::transcode(xmlChar* s) {
! 727: return charsets.source().transcode(s);
1.233 paf 728: }
1.248 ! paf 729: #endif
! 730:
! 731:
! 732: const Request::Trace Request::Exception_trace::extract_origin(const String*& problem_source) {
! 733: Trace result;
! 734: if(!is_empty()) {
! 735: result=bottom_value();
! 736: if(!problem_source) { // we don't know who trigged the bug?
! 737: problem_source=result.name(); // consider the stack-top-guy did that
! 738: fbottom++;
! 739: } else if(result.name()==problem_source) // it is that same guy?
! 740: fbottom++; // throw away that trace
! 741: // else stack top contains not us,
! 742: // leaving result intact
! 743: // it would help ^throw
! 744: }
! 745:
! 746: return result;
! 747: }
! 748:
! 749: Request::Exception_details Request::get_details(const Exception& e) {
! 750: const String* problem_source=e.problem_source();
! 751: Trace trace=exception_trace.extract_origin(problem_source);
! 752:
! 753: VHash& vhash=*new VHash; HashStringValue& hash=vhash.hash();
! 754:
! 755: // $.type
! 756: if(const char* type=e.type(true))
! 757: hash.put(exception_type_part_name, new VString(*new String(type)));
! 758:
! 759: // $.source
! 760: if(problem_source) {
! 761: String& source=*new String;
! 762: source.append(*problem_source, String::L_TAINTED, true/*forced*/);
! 763:
! 764: hash.put(exception_source_part_name, new VString(source));
! 765: }
! 766:
! 767: // $.file lineno colno
! 768: if(trace) {
! 769: const Operation::Origin origin=trace.origin();
! 770: hash.put(StringBody("file"),
! 771: new VString(*new String(file_list[origin.file_no], String::L_TAINTED)));
! 772: hash.put(StringBody("lineno"), new VInt(1+origin.line));
! 773: hash.put(StringBody("colno"), new VInt(1+origin.col));
! 774: }
! 775:
! 776: // $.comment
! 777: if(const char* comment=e.comment(true))
! 778: hash.put(exception_comment_part_name,
! 779: new VString(*new String(comment, 0, true/*tainted*/)));
! 780:
! 781: // $.handled(0)
! 782: hash.put(exception_handled_part_name, new VBool(false));
1.233 paf 783:
1.248 ! paf 784: return Request::Exception_details(trace, problem_source, vhash);
1.133 parser 785: }
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