Annotation of parser3/src/main/pa_request.C, revision 1.245.2.13
1.54 paf 1: /** @file
1.55 paf 2: Parser: request class main part. @see compile.C and execute.C.
3:
1.245.2.5 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:
1.245.2.13! paf 8: static const char* IDENT_REQUEST_C="$Date: 2003/02/03 11:55:33 $";
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"
1.78 paf 19: #include "pa_vtable.h"
1.90 paf 20: #include "pa_vfile.h"
1.147 parser 21: #include "pa_dictionary.h"
1.208 paf 22: #include "pa_charset.h"
1.186 paf 23: #include "pa_charsets.h"
1.245.2.4 paf 24: #include "pa_cache_managers.h"
1.159 parser 25:
1.245.2.3 paf 26: // consts
27:
1.245.2.5 paf 28: const char* UNHANDLED_EXCEPTION_METHOD_NAME="unhandled_exception";
1.207 paf 29:
1.82 paf 30: /// content type of exception response, when no @MAIN:exception handler defined
1.245.2.5 paf 31: const char* UNHANDLED_EXCEPTION_CONTENT_TYPE="text/plain";
1.82 paf 32:
33: /// content type of response when no $MAIN:defaults.content-type defined
1.245.2.5 paf 34: const char* DEFAULT_CONTENT_TYPE="text/html";
35: const char* ORIGINS_CONTENT_TYPE="text/plain";
1.82 paf 36:
1.245.2.6 paf 37: // defines for globals
38:
1.245.2.12 paf 39: #define MAIN_METHOD_NAME "main"
40:
1.245.2.3 paf 41: // globals
42:
1.245.2.4 paf 43: StringPtr main_method_name(new String(MAIN_METHOD_NAME));
1.245.2.11 paf 44: StringPtr content_disposition_name(new String(CONTENT_DISPOSITION_NAME));
45: StringPtr content_disposition_value(new String(CONTENT_DISPOSITION_VALUE));
46: StringPtr content_disposition_filename_name(new String(CONTENT_DISPOSITION_FILENAME_NAME));
1.245.2.3 paf 47:
1.245.2.6 paf 48: // defines for statics
49:
50: #define CHARSETS_NAME "CHARSETS"
51: #define MAIN_CLASS_NAME "MAIN"
52: #define MIME_TYPES_NAME "MIME-TYPES"
53: #define ORIGINS_MODE_NAME "ORIGINS"
54: #define AUTO_FILE_NAME "auto.p"
55: #define CONF_METHOD_NAME "conf"
56: #define AUTO_METHOD_NAME "auto"
57: #define POST_PROCESS_METHOD_NAME "postprocess"
58: #define BODY_NAME "body"
59: #define DOWNLOAD_NAME "download"
60: #define CLASS_PATH_NAME "CLASS_PATH"
61:
62: // statics
63:
64: static StringPtr charsets_name(new String(CHARSETS_NAME));
65: static StringPtr main_class_name(new String(MAIN_CLASS_NAME));
66: static StringPtr mime_types_name(new String(MIME_TYPES_NAME));
67: static StringPtr origins_mode_name(new String(ORIGINS_MODE_NAME));
68: static StringPtr conf_method_name(new String(CONF_METHOD_NAME));
69: static StringPtr auto_method_name(new String(AUTO_METHOD_NAME));
70: static StringPtr post_process_method_name(new String(POST_PROCESS_METHOD_NAME));
71: static StringPtr body_name(new String(BODY_NAME));
72: static StringPtr download_name(new String(DOWNLOAD_NAME));
73: static StringPtr class_path_name(new String(CLASS_PATH_NAME));
74:
1.245.2.7 paf 75: // defines
1.245.2.6 paf 76:
1.233 paf 77: // op.C
1.245.2.4 paf 78: VStateless_classPtr VClassMAIN_create();
1.195 paf 79: // op.C
1.245.2.6 paf 80: VHashPtr exception2vhash(const Exception& e);
1.123 paf 81:
1.245.2.6 paf 82: void lock_system_class(HashStringValue::key_type key, HashStringValue::value_type value, int) {
1.245.2.5 paf 83: if(VStateless_class *value_class=value->get_class())
84: value_class->lock();
85: }
86:
1.157 parser 87: //
1.245.2.4 paf 88: Request::Request(SAPI_Info& asapi_info, Request_info& arequest_info,
89: uchar adefault_lang, bool status_allowed):
90: sapi_info(asapi_info),
91: request_info(arequest_info),
1.157 parser 92: fdefault_lang(adefault_lang), flang(adefault_lang),
1.186 paf 93:
1.245.2.4 paf 94: main_class(VClassMAIN_create()),
1.245.2.6 paf 95: charsets(pool(), *UTF8_charset, *UTF8_charset, *UTF8_charset), // default charsets
96:
1.245.2.12 paf 97: response(new VResponse(fpool, arequest_info, charsets)),
1.245.2.6 paf 98: form(new VForm),
99: mail(new VMail),
100: cookie(new VCookie)
1.245.2.4 paf 101: {
1.178 paf 102: // maybe expire old caches
1.245.2.4 paf 103: cache_managers.maybe_expire();
1.178 paf 104:
1.157 parser 105: /// directly used
1.233 paf 106: // MAIN class, operators
1.245.2.4 paf 107: classes().put(main_class->name(), main_class);
1.157 parser 108: // classes:
109: // table, file, random, mail, image, ...
1.245.2.4 paf 110: methoded_array.register_directly_used(*this);
1.157 parser 111:
112: /// methodless
113: // env class
1.245.2.4 paf 114: classes().put(StringPtr(new String(ENV_CLASS_NAME)),
115: ValuePtr(new VEnv(asapi_info)));
1.175 paf 116: // status class
1.179 paf 117: if(status_allowed)
1.245.2.4 paf 118: classes().put(StringPtr(new String(STATUS_CLASS_NAME)),
1.245.2.12 paf 119: ValuePtr(new VStatus(pool())));
1.157 parser 120: // request class
1.245.2.4 paf 121: classes().put(StringPtr(new String(REQUEST_CLASS_NAME)),
122: ValuePtr(new VRequest(arequest_info, charsets)));
1.157 parser 123: // cookie class
1.245.2.6 paf 124: classes().put(StringPtr(new String(COOKIE_CLASS_NAME)), cookie);
1.157 parser 125:
126: /// methoded
127: // response class
1.245.2.6 paf 128: classes().put(response->get_class()->name(), response);
1.157 parser 129:
130: /// bases used
131: // form class
1.245.2.6 paf 132: classes().put(form->get_class()->base_class()->name(), form);
1.213 paf 133: // mail class
1.245.2.6 paf 134: classes().put(mail->get_class()->base_class()->name(), mail);
1.157 parser 135: // math class
1.245.2.4 paf 136: {
137: ValuePtr math(new VMail);
138: classes().put(math->get_class()->base_class()->name(), math);
139: }
1.245.2.5 paf 140:
141: // prevent system classes from modification [calling add_method]
142: // ^process[$string:CLASS]{@method} prohibited from now on...
1.245.2.6 paf 143: classes().for_each(lock_system_class, 0);
1.117 paf 144: }
1.192 paf 145:
146: Request::~Request() {
147: #ifdef XML
148: // if for some strange reason xml generic errors failed to be reported, free them up
1.245.2.5 paf 149: if(const char* xml_generic_errors=xmlGenericErrors()) {
1.192 paf 150: SAPI::log(pool(), "warning: unreported xmlGenericErrors: %s", xml_generic_errors);
151: free((void *)xml_generic_errors);
152: }
153: #endif
154: }
1.236 paf 155:
1.245.2.8 paf 156: ValuePtr Request::get_self() { return method_frame?method_frame->get_self():ValuePtr(0); }
1.192 paf 157:
1.245.2.6 paf 158: static void load_charset(HashStringValue::key_type akey, HashStringValue::value_type avalue, int) {
159: ::charsets.load_charset(akey, avalue->as_string(0));
1.208 paf 160: }
1.245.2.6 paf 161: void Request::configure_admin(VStateless_class& conf_class, StringPtr source) {
1.208 paf 162: if(configure_admin_done)
163: throw Exception("parser.runtime",
164: source,
165: "parser already configured");
166: configure_admin_done=true;
167:
1.227 paf 168: // charsets must only be specified in method_frame config
1.208 paf 169: // so that users would not interfere
170:
171: /* $MAIN:CHARSETS[
172: $.charsetname1[/full/path/to/charset/file.cfg]
173: ...
174: ]
175: */
1.245.2.6 paf 176: if(ValuePtr vcharsets=conf_class.get_element(charsets_name, conf_class, false)) {
1.240 paf 177: if(!vcharsets->is_string())
1.245.2.6 paf 178: if(HashStringValue* charsets=vcharsets->get_hash(StringPtr(0)))
179: charsets->for_each(load_charset, 0);
1.240 paf 180: else
181: throw Exception("parser.runtime",
1.245.2.6 paf 182: Exception::undefined_source,
1.240 paf 183: "$" MAIN_CLASS_NAME ":" CHARSETS_NAME " must be hash");
1.208 paf 184: }
185:
1.227 paf 186: // configure method_frame options
1.208 paf 187: // until someone with less privileges have overriden them
1.245.2.6 paf 188: methoded_array.configure_admin(*this);
1.208 paf 189: }
1.150 parser 190:
1.64 paf 191: /**
192: load MAIN class, execute @main.
193: MAIN class consists of all the auto.p files we'd manage to find
194: plus
195: the file user requested us to process
196: all located classes become children of one another,
197: composing class we name 'MAIN'
1.180 paf 198:
199: @test log stack trace
200:
1.64 paf 201: */
1.153 parser 202: void Request::core(
1.245.2.5 paf 203: const char* config_filespec, bool config_fail_on_read_problem,
1.62 paf 204: bool header_only) {
1.183 paf 205:
206: #ifdef RESOURCES_DEBUG
207: //measures
208: struct timeval mt[10];
209: //measure:before all
210: gettimeofday(&mt[0],NULL);
211: #endif
1.169 parser 212: try {
1.29 paf 213: char *auto_filespec=(char *)malloc(MAX_STRING);
214:
1.211 paf 215: // loading config
216: if(config_filespec) {
1.245.2.6 paf 217: StringPtr filespec(new String);
218: filespec->APPEND_CLEAN(config_filespec, 0, "config", 0);
219: use_file(*main_class,
1.233 paf 220: filespec, true/* ignore class_path */,
221: config_fail_on_read_problem, true/* file must exist if 'fail on read problem' not set */);
1.29 paf 222: }
1.8 paf 223:
1.72 paf 224: // loading auto.p files from document_root/..
225: // to the one beside requested file.
226: // all assigned bases from upper dir
227: {
1.245.2.6 paf 228: const char* after=request_info.path_translated;
229: size_t drlen=strlen(request_info.document_root);
230: if(memcmp(after, request_info.document_root, drlen)==0) {
1.115 paf 231: after+=drlen;
232: if(after[-1]=='/')
233: --after;
234: }
235:
1.152 parser 236: int step=0;
1.245.2.5 paf 237: while(const char* before=strchr(after, '/')) {
1.245.2.6 paf 238: StringPtr sfile_spec(new String);
239: if(after!=request_info.path_translated) {
240: sfile_spec->APPEND_CLEAN(
241: request_info.path_translated, before-request_info.path_translated,
1.152 parser 242: "path-translated-scanned", step++);
1.245.2.6 paf 243: *sfile_spec << "/" AUTO_FILE_NAME;
1.152 parser 244:
1.245.2.6 paf 245: use_file(*main_class,
1.233 paf 246: sfile_spec, true/* ignore class_path */,
247: true/* fail on read problem */, false/* but ignore absence, sole user */);
1.115 paf 248: }
249: after=before+1;
1.72 paf 250: }
251: }
1.34 paf 252:
1.125 paf 253: // compile requested file
1.245.2.6 paf 254: StringPtr spath_translated(new String);
255: spath_translated->APPEND_TAINTED(request_info.path_translated, 0, "user-request", 0);
256: use_file(*main_class,
1.233 paf 257: spath_translated, true/* ignore class_path */,
258: true/* fail on read problem*/, true/* fail on abscence */);
1.214 paf 259:
1.227 paf 260: // configure method_frame options if not configured yet
1.214 paf 261: if(!configure_admin_done)
1.245.2.6 paf 262: configure_admin(*main_class, StringPtr(0));
1.7 paf 263:
1.227 paf 264: // configure not-method_frame=user options
1.245.2.6 paf 265: methoded_array.configure_user(*this);
1.124 paf 266:
1.85 paf 267: // $MAIN:MIME-TYPES
1.245.2.6 paf 268: if(ValuePtr element=main_class->get_element(mime_types_name, *main_class, false))
1.85 paf 269: if(Table *table=element->get_table())
270: mime_types=table;
1.102 paf 271:
1.124 paf 272: // filling form fields
1.245.2.10 paf 273: form->fill_fields_and_tables(pool(), charsets, request_info);
1.102 paf 274:
1.124 paf 275: // filling cookies
1.245.2.6 paf 276: cookie->fill_fields(pool(), request_info);
1.213 paf 277:
278: // filling mail received
1.245.2.6 paf 279: mail->fill_received(pool(), request_info);
1.25 paf 280:
1.183 paf 281: #ifdef RESOURCES_DEBUG
282: //measure:after compile
283: gettimeofday(&mt[1],NULL);
284: #endif
1.25 paf 285: // execute @main[]
1.245.2.9 paf 286: StringPtr body_string=execute_virtual_method(main_class, main_method_name);
1.41 paf 287: if(!body_string)
1.197 paf 288: throw Exception("parser.runtime",
1.245.2.6 paf 289: Exception::undefined_source,
1.145 parser 290: "'"MAIN_METHOD_NAME"' method not found");
1.79 paf 291:
1.183 paf 292: #ifdef RESOURCES_DEBUG
293: //measure:after main
294: gettimeofday(&mt[2],NULL);
295: #endif
296:
1.245.2.6 paf 297: VStringPtr body_vstring_before_post_process(new VString(body_string));
298: VStringPtr body_vstring_after_post_process(body_vstring_before_post_process);
1.119 paf 299: // @postprocess
1.245.2.6 paf 300: if(ValuePtr value=main_class->get_element(post_process_method_name, *main_class, false))
301: if(JunctionPtr junction=value->get_junction())
1.91 paf 302: if(const Method *method=junction->method) {
303: // preparing to pass parameters to
1.119 paf 304: // @postprocess[data]
1.234 paf 305: VMethodFrame frame(pool(), method->name, *junction, 0/*no parent*/);
1.245.2.8 paf 306: frame.set_self(main_class);
1.91 paf 307:
1.245.2.6 paf 308: frame.store_param(body_vstring_before_post_process);
1.91 paf 309: body_vstring_after_post_process=
1.245.2.6 paf 310: VStringPtr(new VString(execute_method(frame, *method)));
1.91 paf 311: }
1.90 paf 312:
1.204 paf 313: bool lorigins_mode=origins_mode();
1.144 parser 314:
1.245.2.13! paf 315: VFilePtr body_file=body_vstring_after_post_process->as_vfile(pool(),
1.204 paf 316: String::UL_UNSPECIFIED, lorigins_mode);
1.41 paf 317:
1.45 paf 318: // extract response body
1.245.2.6 paf 319: ValuePtr body_value=response->fields().get(download_name);
1.244 paf 320: bool as_attachment=body_value!=0;
321: if(!body_value)
1.245.2.6 paf 322: body_value=response->fields().get(body_name);
1.244 paf 323:
1.216 paf 324: if(body_value) // there is some $response:body
1.245.2.6 paf 325: body_file=body_value->as_vfile(pool());
1.204 paf 326: else if(lorigins_mode)
1.245.2.6 paf 327: response->fields().put(content_type_name,
328: ValuePtr(new VString(StringPtr(new String(ORIGINS_CONTENT_TYPE)))));
1.45 paf 329:
1.183 paf 330: #ifdef RESOURCES_DEBUG
331: //measure:after postprocess
332: gettimeofday(&mt[3],NULL);
333: #endif
334:
1.45 paf 335: // OK. write out the result
1.245.2.7 paf 336: output_result(body_file, header_only, as_attachment);
1.183 paf 337:
338: #ifdef RESOURCES_DEBUG
339: //measure:after output_result
340: gettimeofday(&mt[9],NULL);
341: t[9]=mt[9].tv_sec+mt[9].tv_usec/1000000.0;
342:
343: double t[10];
344: for(int i=0;i<10;i++)
345: t[i]=mt[i].tv_sec+mt[i].tv_usec/1000000.0;
346: //measure:log2 compile,main,postprocess,output
347: SAPI::log(pool(), "rmeasure: %s,%.2f,%.2f,%.2f %.2f,%.2f %.2f",
1.245.2.6 paf 348: request_info.uri,
1.183 paf 349: t[1]-t[0],
350: t[2]-t[1],
351: t[3]-t[2],
352: sql_connect_time,sql_request_time,
353: t[9]-t[3]
354: );
355: #endif
1.171 parser 356: } catch(const Exception& e) { // request handling problem
1.76 paf 357: // we're returning not result, but error explanation
1.169 parser 358: try {
1.76 paf 359: // log the beast
1.245.2.6 paf 360: if(StringPtr problem_source=e.problem_source())
361: SAPI::log(sapi_info,
1.199 paf 362: "%s: "
1.76 paf 363: #ifndef NO_STRING_ORIGIN
1.180 paf 364: ORIGIN_FILE_LINE_FORMAT": "
1.76 paf 365: #endif
1.197 paf 366: "'%s' %s [%s]",
1.245.2.6 paf 367: request_info.uri,
1.76 paf 368: #ifndef NO_STRING_ORIGIN
369: problem_source->origin().file?problem_source->origin().file:"global",
370: problem_source->origin().line,
371: #endif
1.173 paf 372: problem_source->cstr(),
1.76 paf 373: e.comment(),
1.206 paf 374: e.type()
1.76 paf 375: );
376: else
1.245.2.6 paf 377: SAPI::log(sapi_info,
1.199 paf 378: "%s: "
1.197 paf 379: "%s [%s]",
1.245.2.6 paf 380: request_info.uri,
1.206 paf 381: e.comment(), e.type()
1.180 paf 382: );
1.171 parser 383:
1.43 paf 384: // reset language to default
385: flang=fdefault_lang;
386:
387: // reset response
1.245.2.6 paf 388: response->fields().clear();
1.43 paf 389:
390: // this is what we'd return in $response:body
1.245.2.6 paf 391: StringPtr body_string(0);
1.43 paf 392:
1.233 paf 393: // maybe we'd be lucky enough as to report an error
394: // in a gracefull way...
1.245.2.6 paf 395: if(ValuePtr value=main_class->get_element(
396: StringPtr(new String(UNHANDLED_EXCEPTION_METHOD_NAME)),
397: *main_class,
1.233 paf 398: false)) {
1.245.2.6 paf 399: if(JunctionPtr junction=value->get_junction()) {
1.233 paf 400: if(const Method *method=junction->method) {
401: // preparing to pass parameters to
402: // @unhandled_exception[exception;stack]
1.234 paf 403: VMethodFrame frame(pool(), method->name, *junction, 0/*no caller*/);
1.245.2.8 paf 404: frame.set_self(main_class);
1.233 paf 405:
406: // $exception
1.245.2.6 paf 407: frame.store_param(exception2vhash(e));
1.233 paf 408: // $stack[^table::set{name origin}]
1.245.2.6 paf 409: Table::columns_type stack_trace_columns;
410: *stack_trace_columns+=StringPtr(new String("name"));
411: *stack_trace_columns+=StringPtr(new String("file"));
412: *stack_trace_columns+=StringPtr(new String("lineno"));
413: TablePtr stack_trace(new Table(Exception::undefined_source, stack_trace_columns));
414: Array_iterator<StringPtr> tracei(exception_trace);
1.233 paf 415: while(tracei.has_next()) {
1.245.2.6 paf 416: Table::element_type row;
1.171 parser 417:
1.245.2.6 paf 418: StringPtr name=tracei.next();
419: *row+=name; // name column
1.171 parser 420: #ifndef NO_STRING_ORIGIN
1.245.2.6 paf 421: const String_fragment::Origin& origin=name->origin();
1.233 paf 422: if(origin.file) {
1.245.2.6 paf 423: *row+=StringPtr(new String(origin.file, 0, true)); // file column
1.233 paf 424: char *buf=(char *)malloc(MAX_NUMBER);
425: size_t buf_size=snprintf(buf, MAX_NUMBER, "%d", 1+origin.line);
1.245.2.6 paf 426: *row+=StringPtr(new String(buf, buf_size, true)); // line column
1.233 paf 427: }
1.171 parser 428: #endif
1.245.2.6 paf 429: *stack_trace+=row;
1.233 paf 430: }
1.245.2.6 paf 431: frame.store_param(ValuePtr(new VTable(stack_trace)));
1.171 parser 432:
1.233 paf 433: // future $response:body=
434: // execute ^unhandled_exception[exception;stack]
1.245.2.6 paf 435: body_string=execute_method(frame, *method);
1.233 paf 436: }
437: }
1.30 paf 438: }
439:
1.41 paf 440: if(!body_string) { // couldn't report an error beautifully?
441: // doing that ugly
442:
443: // make up result: $origin $source $comment $type $code
444: char *buf=(char *)malloc(MAX_STRING);
1.30 paf 445: size_t printed=0;
1.245.2.6 paf 446: if(StringPtr problem_source=e.problem_source()) {
1.16 paf 447: #ifndef NO_STRING_ORIGIN
1.245.2.6 paf 448: const String_fragment::Origin& origin=problem_source->origin();
1.30 paf 449: if(origin.file)
1.180 paf 450: printed+=snprintf(buf+printed, MAX_STRING-printed,
451: ORIGIN_FILE_LINE_FORMAT": ",
452: origin.file, 1+origin.line
453: );
1.28 paf 454: #endif
1.41 paf 455: printed+=snprintf(buf+printed, MAX_STRING-printed, "'%s' ",
1.173 paf 456: problem_source->cstr());
1.30 paf 457: }
1.245.2.5 paf 458: if(const char* comment=e.comment(true))
1.206 paf 459: printed+=snprintf(buf+printed, MAX_STRING-printed, "%s", comment);
1.245.2.5 paf 460: if(const char* type=e.type(true))
1.197 paf 461: printed+=snprintf(buf+printed, MAX_STRING-printed, " type: %s", type);
1.43 paf 462:
463: // future $response:content-type
1.245.2.6 paf 464: response->fields().put(content_type_name,
465: ValuePtr(new VString(StringPtr(new String(UNHANDLED_EXCEPTION_CONTENT_TYPE)))));
1.43 paf 466: // future $response:body
1.245.2.6 paf 467: body_string=StringPtr(new String(buf));
1.30 paf 468: }
1.41 paf 469:
1.245.2.6 paf 470: VString body_vstring(body_string);
1.245.2.13! paf 471: VFilePtr body_file=body_vstring.as_vfile(pool());
1.90 paf 472:
1.45 paf 473: // ERROR. write it out
1.245.2.7 paf 474: output_result(body_file, header_only, false);
1.170 parser 475: } catch(const Exception& ) {
1.245.2.6 paf 476: rethrow;
1.3 paf 477: }
1.1 paf 478: }
479: }
480:
1.245.2.3 paf 481: VStateless_classPtr Request::use_file(VStateless_class& aclass,
1.245.2.4 paf 482: StringPtr file_name, bool ignore_class_path,
1.233 paf 483: bool fail_on_read_problem, bool fail_on_file_absence) {
1.73 paf 484: // cyclic dependence check
1.148 parser 485: if(used_files.get(file_name))
1.233 paf 486: return 0;
1.245.2.2 paf 487: used_files.put(file_name, true);
1.73 paf 488:
1.245.2.6 paf 489: StringPtr file_spec;
1.153 parser 490: if(ignore_class_path) // ignore_class_path?
1.245.2.6 paf 491: file_spec=file_name;
492: else if(file_name->first_char()=='/') //absolute path, no need to scan MAIN:CLASS_PATH?
493: file_spec=absolute(file_name);
1.153 parser 494: else {
1.245.2.6 paf 495: file_spec=StringPtr(0);
496: if(ValuePtr element=main_class->get_element(class_path_name, *main_class, false)) {
1.233 paf 497: if(element->is_string()) {
1.245.2.6 paf 498: file_spec=file_readable(absolute(element->as_string(&pool())), file_name); // found at class_path?
1.233 paf 499: } else if(Table *table=element->get_table()) {
1.245.2.6 paf 500: int size=table->count();
1.233 paf 501: for(int i=size; i--; ) {
1.245.2.6 paf 502: StringPtr path=(*table->get(i))[0];
1.233 paf 503: if(file_spec=file_readable(absolute(path), file_name))
504: break; // found along class_path
505: }
506: } else
507: throw Exception("parser.runtime",
1.245.2.6 paf 508: Exception::undefined_source,
1.233 paf 509: "$" CLASS_PATH_NAME " must be string or table");
510: if(!file_spec)
511: throw Exception("parser.runtime",
1.245.2.6 paf 512: file_name,
1.233 paf 513: "not found along " MAIN_CLASS_NAME ":" CLASS_PATH_NAME);
514: }
1.153 parser 515: if(!file_spec)
1.197 paf 516: throw Exception("parser.runtime",
1.245.2.6 paf 517: file_name,
1.203 paf 518: "usage failed - no $" MAIN_CLASS_NAME ":" CLASS_PATH_NAME " were specified");
1.148 parser 519: }
1.230 paf 520:
521: if(fail_on_read_problem && !fail_on_file_absence) // ignore file absence if asked for
1.245.2.6 paf 522: if(!entry_exists(file_spec))
1.233 paf 523: return 0;
1.73 paf 524:
1.245.2.6 paf 525: if(const char *source=file_read_text(pool(), charsets.source(), file_spec, fail_on_read_problem))
526: return use_buf(aclass, source, file_spec, file_spec->cstr(pool()));
527: else
1.233 paf 528: return 0;
1.16 paf 529: }
530:
1.208 paf 531:
1.245.2.3 paf 532: VStateless_classPtr Request::use_buf(VStateless_class& aclass,
1.245.2.5 paf 533: const char* source,
1.245.2.6 paf 534: StringPtr filespec, const char* filespec_cstr) {
1.233 paf 535: // temporary zero @conf so to maybe-replace it in compiled code
1.245.2.6 paf 536: Temp_method temp_method_conf(aclass, conf_method_name, MethodPtr(0));
1.233 paf 537: // temporary zero @auto so to maybe-replace it in compiled code
1.245.2.6 paf 538: Temp_method temp_method_auto(aclass, auto_method_name, MethodPtr(0));
1.233 paf 539:
1.5 paf 540: // compile loaded class
1.245.2.6 paf 541: VStateless_class& cclass=COMPILE(&aclass, source, filespec_cstr);
1.212 paf 542:
1.233 paf 543: // locate and execute possible @conf[] static
1.245.2.6 paf 544: VStringPtr vfilespec(new VString(filespec));
1.209 paf 545: const Method *method_called;
1.212 paf 546: execute_nonvirtual_method(cclass,
1.245.2.6 paf 547: conf_method_name, vfilespec,
548: false/*no result needed*/, &method_called);
1.233 paf 549: if(method_called)
1.245.2.6 paf 550: configure_admin(cclass, method_called->name);
1.208 paf 551:
552: // locate and execute possible @auto[] static
1.233 paf 553: execute_nonvirtual_method(cclass,
1.245.2.6 paf 554: auto_method_name, vfilespec,
1.212 paf 555: 0/*no result needed*/);
1.16 paf 556: return &cclass;
1.19 paf 557: }
558:
1.245.2.6 paf 559: StringPtr Request::relative(const char* apath, StringPtr relative_name) {
560: char *hpath=pool().copy(apath);
561: StringPtr result(new String);
1.217 paf 562: if(rsplit(hpath, '/')) // if something/splitted
1.245.2.6 paf 563: *result << hpath << "/";
564: *result << relative_name;
1.19 paf 565: return result;
566: }
567:
1.245.2.6 paf 568: StringPtr Request::absolute(StringPtr relative_name) {
569: if(relative_name->first_char()=='/') {
570: StringPtr result=StringPtr(new String(request_info.document_root));
571: *result << relative_name;
1.19 paf 572: return result;
573: } else
1.245.2.6 paf 574: return relative_name->pos("://")<0? relative(request_info.path_translated, relative_name)
1.239 paf 575: :relative_name; // something like "http://xxx"
1.1 paf 576: }
1.45 paf 577:
1.245.2.7 paf 578: static void add_header_attribute(
579: HashStringValue::key_type aattribute,
580: HashStringValue::value_type ameaning,
581: Request *r) {
582: if(*aattribute==BODY_NAME
583: || *aattribute==DOWNLOAD_NAME
584: || *aattribute==CHARSET_NAME)
1.101 paf 585: return;
586:
1.245.2.7 paf 587: SAPI::add_header_attribute(r->sapi_info,
588: aattribute->cstr(),
589: attributed_meaning_to_string(r->pool(), ameaning, String::UL_HTTP_HEADER, false)->
590: cstr(String::UL_UNSPECIFIED));
1.101 paf 591: }
1.245.2.7 paf 592: void Request::output_result(VFilePtr body_file, bool header_only, bool as_attachment) {
1.51 paf 593: // header: cookies
1.245.2.10 paf 594: cookie->output_result(pool(), sapi_info);
1.51 paf 595:
1.245.2.6 paf 596: ValuePtr body_file_content_type;
1.90 paf 597: // set content-type
1.245.2.7 paf 598: if(body_file_content_type=body_file->fields().get(content_type_name)) {
1.90 paf 599: // body file content type
1.245.2.7 paf 600: response->fields().put(content_type_name, body_file_content_type);
1.90 paf 601: } else {
602: // default content type
1.245.2.7 paf 603: response->fields().put_dont_replace(content_type_name,
604: ValuePtr(new VString(StringPtr(new String(DEFAULT_CONTENT_TYPE)))));
1.92 paf 605: }
606:
607: // content-disposition
1.245.2.7 paf 608: if(ValuePtr vfile_name=body_file->fields().get(name_name))
609: if(*vfile_name->get_string(&Pool())!=NONAME_DAT) {
610: VHashPtr hash(new VHash);
611: HashStringValue &h=hash->hash(Exception::undefined_source);
1.244 paf 612: if(as_attachment)
1.245.2.7 paf 613: h.put(value_name, ValuePtr(new VString(content_disposition_value)));
614: h.put(content_disposition_filename_name, vfile_name);
615: response->fields().put(content_disposition_name, hash);
1.111 paf 616: }
1.49 paf 617:
1.62 paf 618: // prepare header: $response:fields without :body
1.245.2.6 paf 619: response->fields().for_each(add_header_attribute, this);
1.50 paf 620:
1.184 paf 621: const void *client_body;
622: size_t client_content_length;
1.220 paf 623: // transcode text body when "text/*" or simple result
1.223 paf 624: if(body_file_content_type)
1.245.2.7 paf 625: if(HashStringValue *hash=body_file_content_type->get_hash(Exception::undefined_source))
626: body_file_content_type=hash->get(value_name);
627: if(!body_file_content_type/*vstring.as_vfile*/ || body_file_content_type->as_string(&pool())->pos("text/")==0) {
1.220 paf 628: Charset::transcode(pool(),
1.245.2.7 paf 629: charsets.source(), body_file->value_ptr(), body_file->value_size(),
630: charsets.client(), client_body, client_content_length
1.220 paf 631: );
632: } else {
1.245.2.7 paf 633: client_body=body_file->value_ptr();
634: client_content_length=body_file->value_size();
1.220 paf 635: }
1.50 paf 636:
1.62 paf 637: // prepare header: content-length
1.200 paf 638: char content_length_cstr[MAX_NUMBER];
639: snprintf(content_length_cstr, MAX_NUMBER, "%u", client_content_length);
1.245.2.7 paf 640: SAPI::add_header_attribute(sapi_info, "content-length", content_length_cstr);
1.62 paf 641:
642: // send header
1.245.2.7 paf 643: SAPI::send_header(sapi_info);
1.71 paf 644:
1.62 paf 645: // send body
646: if(!header_only)
1.245.2.7 paf 647: SAPI::send_body(sapi_info, client_body, client_content_length);
1.50 paf 648: }
1.104 paf 649:
1.245.2.7 paf 650: StringPtr Request::mime_type_of(const char* user_file_name_cstr) {
1.104 paf 651: if(mime_types)
1.245.2.5 paf 652: if(const char* cext=strrchr(user_file_name_cstr, '.')) {
1.245.2.7 paf 653: String sext(++cext);
654: if(mime_types->locate(0, sext.change_case(pool(), charsets.source(), String::CC_LOWER)))
655: if(StringPtr result=mime_types->item(1))
656: return result;
1.104 paf 657: else
1.197 paf 658: throw Exception("parser.runtime",
1.104 paf 659: mime_types->origin_string(),
1.212 paf 660: MIME_TYPES_NAME " table column elements must not be empty");
1.104 paf 661: }
1.245.2.7 paf 662:
663: return StringPtr(new String("application/octet-stream"));
1.233 paf 664: }
665:
666: bool Request::origins_mode() {
1.245.2.7 paf 667: return main_class->get_element(origins_mode_name, *main_class, false)!=0; // $ORIGINS mode
1.133 parser 668: }
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