Annotation of parser3/src/main/pa_request.C, revision 1.245.2.17
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:
1.245.2.17! paf 8: static const char* IDENT_REQUEST_C="$Date: 2003/02/14 16:52:21 $";
1.1 paf 9:
1.69 paf 10: #include "pa_sapi.h"
1.53 paf 11: #include "pa_common.h"
1.1 paf 12: #include "pa_request.h"
1.3 paf 13: #include "pa_wwrapper.h"
14: #include "pa_vclass.h"
1.31 paf 15: #include "pa_globals.h"
1.30 paf 16: #include "pa_vint.h"
1.112 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"
1.245.2.16 paf 40: #define AUTO_METHOD_NAME "auto"
1.245.2.14 paf 41: #define BODY_NAME "body"
1.245.2.12 paf 42:
1.245.2.3 paf 43: // globals
44:
1.245.2.4 paf 45: StringPtr main_method_name(new String(MAIN_METHOD_NAME));
1.245.2.16 paf 46: StringPtr auto_method_name(new String(AUTO_METHOD_NAME));
1.245.2.11 paf 47: StringPtr content_disposition_name(new String(CONTENT_DISPOSITION_NAME));
48: StringPtr content_disposition_value(new String(CONTENT_DISPOSITION_VALUE));
49: StringPtr content_disposition_filename_name(new String(CONTENT_DISPOSITION_FILENAME_NAME));
1.245.2.14 paf 50: StringPtr body_name(new String(BODY_NAME));
1.245.2.3 paf 51:
1.245.2.6 paf 52: // defines for statics
53:
54: #define CHARSETS_NAME "CHARSETS"
55: #define MIME_TYPES_NAME "MIME-TYPES"
56: #define ORIGINS_MODE_NAME "ORIGINS"
57: #define CONF_METHOD_NAME "conf"
58: #define POST_PROCESS_METHOD_NAME "postprocess"
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 post_process_method_name(new String(POST_PROCESS_METHOD_NAME));
70: static StringPtr download_name(new String(DOWNLOAD_NAME));
71: static StringPtr class_path_name(new String(CLASS_PATH_NAME));
72:
1.245.2.7 paf 73: // defines
1.245.2.6 paf 74:
1.233 paf 75: // op.C
1.245.2.4 paf 76: VStateless_classPtr VClassMAIN_create();
1.195 paf 77: // op.C
1.245.2.16 paf 78: VHashPtr exception2vhash(Pool& pool, const Exception& e);
1.123 paf 79:
1.245.2.6 paf 80: void lock_system_class(HashStringValue::key_type key, HashStringValue::value_type value, int) {
1.245.2.5 paf 81: if(VStateless_class *value_class=value->get_class())
82: value_class->lock();
83: }
84:
1.157 parser 85: //
1.245.2.4 paf 86: Request::Request(SAPI_Info& asapi_info, Request_info& arequest_info,
87: uchar adefault_lang, bool status_allowed):
88: sapi_info(asapi_info),
89: request_info(arequest_info),
1.157 parser 90: fdefault_lang(adefault_lang), flang(adefault_lang),
1.186 paf 91:
1.245.2.4 paf 92: main_class(VClassMAIN_create()),
1.245.2.6 paf 93: charsets(pool(), *UTF8_charset, *UTF8_charset, *UTF8_charset), // default charsets
94:
1.245.2.12 paf 95: response(new VResponse(fpool, arequest_info, charsets)),
1.245.2.6 paf 96: form(new VForm),
97: mail(new VMail),
98: cookie(new VCookie)
1.245.2.4 paf 99: {
1.178 paf 100: // maybe expire old caches
1.245.2.4 paf 101: cache_managers.maybe_expire();
1.178 paf 102:
1.157 parser 103: /// directly used
1.233 paf 104: // MAIN class, operators
1.245.2.4 paf 105: classes().put(main_class->name(), main_class);
1.157 parser 106: // classes:
107: // table, file, random, mail, image, ...
1.245.2.4 paf 108: methoded_array.register_directly_used(*this);
1.157 parser 109:
110: /// methodless
111: // env class
1.245.2.4 paf 112: classes().put(StringPtr(new String(ENV_CLASS_NAME)),
113: ValuePtr(new VEnv(asapi_info)));
1.175 paf 114: // status class
1.179 paf 115: if(status_allowed)
1.245.2.4 paf 116: classes().put(StringPtr(new String(STATUS_CLASS_NAME)),
1.245.2.12 paf 117: ValuePtr(new VStatus(pool())));
1.157 parser 118: // request class
1.245.2.4 paf 119: classes().put(StringPtr(new String(REQUEST_CLASS_NAME)),
120: ValuePtr(new VRequest(arequest_info, charsets)));
1.157 parser 121: // cookie class
1.245.2.6 paf 122: classes().put(StringPtr(new String(COOKIE_CLASS_NAME)), cookie);
1.157 parser 123:
124: /// methoded
125: // response class
1.245.2.6 paf 126: classes().put(response->get_class()->name(), response);
1.157 parser 127:
128: /// bases used
129: // form class
1.245.2.6 paf 130: classes().put(form->get_class()->base_class()->name(), form);
1.213 paf 131: // mail class
1.245.2.6 paf 132: classes().put(mail->get_class()->base_class()->name(), mail);
1.157 parser 133: // math class
1.245.2.4 paf 134: {
135: ValuePtr math(new VMail);
136: classes().put(math->get_class()->base_class()->name(), math);
137: }
1.245.2.5 paf 138:
139: // prevent system classes from modification [calling add_method]
140: // ^process[$string:CLASS]{@method} prohibited from now on...
1.245.2.6 paf 141: classes().for_each(lock_system_class, 0);
1.117 paf 142: }
1.192 paf 143:
144: Request::~Request() {
145: #ifdef XML
146: // if for some strange reason xml generic errors failed to be reported, free them up
1.245.2.5 paf 147: if(const char* xml_generic_errors=xmlGenericErrors()) {
1.192 paf 148: SAPI::log(pool(), "warning: unreported xmlGenericErrors: %s", xml_generic_errors);
149: free((void *)xml_generic_errors);
150: }
151: #endif
152: }
1.236 paf 153:
1.245.2.8 paf 154: ValuePtr Request::get_self() { return method_frame?method_frame->get_self():ValuePtr(0); }
1.192 paf 155:
1.245.2.6 paf 156: static void load_charset(HashStringValue::key_type akey, HashStringValue::value_type avalue, int) {
157: ::charsets.load_charset(akey, avalue->as_string(0));
1.208 paf 158: }
1.245.2.6 paf 159: void Request::configure_admin(VStateless_class& conf_class, StringPtr source) {
1.208 paf 160: if(configure_admin_done)
161: throw Exception("parser.runtime",
162: source,
163: "parser already configured");
164: configure_admin_done=true;
165:
1.227 paf 166: // charsets must only be specified in method_frame config
1.208 paf 167: // so that users would not interfere
168:
169: /* $MAIN:CHARSETS[
170: $.charsetname1[/full/path/to/charset/file.cfg]
171: ...
172: ]
173: */
1.245.2.6 paf 174: if(ValuePtr vcharsets=conf_class.get_element(charsets_name, conf_class, false)) {
1.240 paf 175: if(!vcharsets->is_string())
1.245.2.6 paf 176: if(HashStringValue* charsets=vcharsets->get_hash(StringPtr(0)))
177: charsets->for_each(load_charset, 0);
1.240 paf 178: else
179: throw Exception("parser.runtime",
1.245.2.6 paf 180: Exception::undefined_source,
1.240 paf 181: "$" MAIN_CLASS_NAME ":" CHARSETS_NAME " must be hash");
1.208 paf 182: }
183:
1.227 paf 184: // configure method_frame options
1.208 paf 185: // until someone with less privileges have overriden them
1.245.2.6 paf 186: methoded_array.configure_admin(*this);
1.208 paf 187: }
1.150 parser 188:
1.64 paf 189: /**
190: load MAIN class, execute @main.
191: MAIN class consists of all the auto.p files we'd manage to find
192: plus
193: the file user requested us to process
194: all located classes become children of one another,
195: composing class we name 'MAIN'
1.180 paf 196:
197: @test log stack trace
198:
1.64 paf 199: */
1.153 parser 200: void Request::core(
1.245.2.5 paf 201: const char* config_filespec, bool config_fail_on_read_problem,
1.62 paf 202: bool header_only) {
1.183 paf 203:
204: #ifdef RESOURCES_DEBUG
205: //measures
206: struct timeval mt[10];
207: //measure:before all
208: gettimeofday(&mt[0],NULL);
209: #endif
1.169 parser 210: try {
1.29 paf 211: char *auto_filespec=(char *)malloc(MAX_STRING);
212:
1.211 paf 213: // loading config
214: if(config_filespec) {
1.245.2.6 paf 215: StringPtr filespec(new String);
216: filespec->APPEND_CLEAN(config_filespec, 0, "config", 0);
217: use_file(*main_class,
1.233 paf 218: filespec, true/* ignore class_path */,
219: config_fail_on_read_problem, true/* file must exist if 'fail on read problem' not set */);
1.29 paf 220: }
1.8 paf 221:
1.72 paf 222: // loading auto.p files from document_root/..
223: // to the one beside requested file.
224: // all assigned bases from upper dir
225: {
1.245.2.6 paf 226: const char* after=request_info.path_translated;
227: size_t drlen=strlen(request_info.document_root);
228: if(memcmp(after, request_info.document_root, drlen)==0) {
1.115 paf 229: after+=drlen;
230: if(after[-1]=='/')
231: --after;
232: }
233:
1.152 parser 234: int step=0;
1.245.2.5 paf 235: while(const char* before=strchr(after, '/')) {
1.245.2.6 paf 236: StringPtr sfile_spec(new String);
237: if(after!=request_info.path_translated) {
238: sfile_spec->APPEND_CLEAN(
239: request_info.path_translated, before-request_info.path_translated,
1.152 parser 240: "path-translated-scanned", step++);
1.245.2.6 paf 241: *sfile_spec << "/" AUTO_FILE_NAME;
1.152 parser 242:
1.245.2.6 paf 243: use_file(*main_class,
1.233 paf 244: sfile_spec, true/* ignore class_path */,
245: true/* fail on read problem */, false/* but ignore absence, sole user */);
1.115 paf 246: }
247: after=before+1;
1.72 paf 248: }
249: }
1.34 paf 250:
1.125 paf 251: // compile requested file
1.245.2.6 paf 252: StringPtr spath_translated(new String);
253: spath_translated->APPEND_TAINTED(request_info.path_translated, 0, "user-request", 0);
254: use_file(*main_class,
1.233 paf 255: spath_translated, true/* ignore class_path */,
256: true/* fail on read problem*/, true/* fail on abscence */);
1.214 paf 257:
1.227 paf 258: // configure method_frame options if not configured yet
1.214 paf 259: if(!configure_admin_done)
1.245.2.6 paf 260: configure_admin(*main_class, StringPtr(0));
1.7 paf 261:
1.227 paf 262: // configure not-method_frame=user options
1.245.2.6 paf 263: methoded_array.configure_user(*this);
1.124 paf 264:
1.85 paf 265: // $MAIN:MIME-TYPES
1.245.2.6 paf 266: if(ValuePtr element=main_class->get_element(mime_types_name, *main_class, false))
1.85 paf 267: if(Table *table=element->get_table())
268: mime_types=table;
1.102 paf 269:
1.124 paf 270: // filling form fields
1.245.2.10 paf 271: form->fill_fields_and_tables(pool(), charsets, request_info);
1.102 paf 272:
1.124 paf 273: // filling cookies
1.245.2.6 paf 274: cookie->fill_fields(pool(), request_info);
1.213 paf 275:
276: // filling mail received
1.245.2.6 paf 277: mail->fill_received(pool(), request_info);
1.25 paf 278:
1.183 paf 279: #ifdef RESOURCES_DEBUG
280: //measure:after compile
281: gettimeofday(&mt[1],NULL);
282: #endif
1.25 paf 283: // execute @main[]
1.245.2.9 paf 284: StringPtr body_string=execute_virtual_method(main_class, main_method_name);
1.41 paf 285: if(!body_string)
1.197 paf 286: throw Exception("parser.runtime",
1.245.2.6 paf 287: Exception::undefined_source,
1.145 parser 288: "'"MAIN_METHOD_NAME"' method not found");
1.79 paf 289:
1.183 paf 290: #ifdef RESOURCES_DEBUG
291: //measure:after main
292: gettimeofday(&mt[2],NULL);
293: #endif
294:
1.245.2.6 paf 295: VStringPtr body_vstring_before_post_process(new VString(body_string));
296: VStringPtr body_vstring_after_post_process(body_vstring_before_post_process);
1.119 paf 297: // @postprocess
1.245.2.6 paf 298: if(ValuePtr value=main_class->get_element(post_process_method_name, *main_class, false))
299: if(JunctionPtr junction=value->get_junction())
1.91 paf 300: if(const Method *method=junction->method) {
301: // preparing to pass parameters to
1.119 paf 302: // @postprocess[data]
1.234 paf 303: VMethodFrame frame(pool(), method->name, *junction, 0/*no parent*/);
1.245.2.8 paf 304: frame.set_self(main_class);
1.91 paf 305:
1.245.2.6 paf 306: frame.store_param(body_vstring_before_post_process);
1.91 paf 307: body_vstring_after_post_process=
1.245.2.6 paf 308: VStringPtr(new VString(execute_method(frame, *method)));
1.91 paf 309: }
1.90 paf 310:
1.204 paf 311: bool lorigins_mode=origins_mode();
1.144 parser 312:
1.245.2.13 paf 313: VFilePtr body_file=body_vstring_after_post_process->as_vfile(pool(),
1.204 paf 314: String::UL_UNSPECIFIED, lorigins_mode);
1.41 paf 315:
1.45 paf 316: // extract response body
1.245.2.6 paf 317: ValuePtr body_value=response->fields().get(download_name);
1.244 paf 318: bool as_attachment=body_value!=0;
319: if(!body_value)
1.245.2.6 paf 320: body_value=response->fields().get(body_name);
1.244 paf 321:
1.216 paf 322: if(body_value) // there is some $response:body
1.245.2.6 paf 323: body_file=body_value->as_vfile(pool());
1.204 paf 324: else if(lorigins_mode)
1.245.2.6 paf 325: response->fields().put(content_type_name,
326: ValuePtr(new VString(StringPtr(new String(ORIGINS_CONTENT_TYPE)))));
1.45 paf 327:
1.183 paf 328: #ifdef RESOURCES_DEBUG
329: //measure:after postprocess
330: gettimeofday(&mt[3],NULL);
331: #endif
332:
1.45 paf 333: // OK. write out the result
1.245.2.7 paf 334: output_result(body_file, header_only, as_attachment);
1.183 paf 335:
336: #ifdef RESOURCES_DEBUG
337: //measure:after output_result
338: gettimeofday(&mt[9],NULL);
339: t[9]=mt[9].tv_sec+mt[9].tv_usec/1000000.0;
340:
341: double t[10];
342: for(int i=0;i<10;i++)
343: t[i]=mt[i].tv_sec+mt[i].tv_usec/1000000.0;
344: //measure:log2 compile,main,postprocess,output
345: SAPI::log(pool(), "rmeasure: %s,%.2f,%.2f,%.2f %.2f,%.2f %.2f",
1.245.2.6 paf 346: request_info.uri,
1.183 paf 347: t[1]-t[0],
348: t[2]-t[1],
349: t[3]-t[2],
350: sql_connect_time,sql_request_time,
351: t[9]-t[3]
352: );
353: #endif
1.171 parser 354: } catch(const Exception& e) { // request handling problem
1.76 paf 355: // we're returning not result, but error explanation
1.169 parser 356: try {
1.76 paf 357: // log the beast
1.245.2.6 paf 358: if(StringPtr problem_source=e.problem_source())
359: SAPI::log(sapi_info,
1.199 paf 360: "%s: "
1.76 paf 361: #ifndef NO_STRING_ORIGIN
1.180 paf 362: ORIGIN_FILE_LINE_FORMAT": "
1.76 paf 363: #endif
1.197 paf 364: "'%s' %s [%s]",
1.245.2.6 paf 365: request_info.uri,
1.76 paf 366: #ifndef NO_STRING_ORIGIN
367: problem_source->origin().file?problem_source->origin().file:"global",
368: problem_source->origin().line,
369: #endif
1.245.2.14 paf 370: problem_source->cstr().get(),
1.76 paf 371: e.comment(),
1.206 paf 372: e.type()
1.76 paf 373: );
374: else
1.245.2.6 paf 375: SAPI::log(sapi_info,
1.199 paf 376: "%s: "
1.197 paf 377: "%s [%s]",
1.245.2.6 paf 378: request_info.uri,
1.206 paf 379: e.comment(), e.type()
1.180 paf 380: );
1.171 parser 381:
1.43 paf 382: // reset language to default
383: flang=fdefault_lang;
384:
385: // reset response
1.245.2.6 paf 386: response->fields().clear();
1.43 paf 387:
388: // this is what we'd return in $response:body
1.245.2.6 paf 389: StringPtr body_string(0);
1.43 paf 390:
1.233 paf 391: // maybe we'd be lucky enough as to report an error
392: // in a gracefull way...
1.245.2.6 paf 393: if(ValuePtr value=main_class->get_element(
394: StringPtr(new String(UNHANDLED_EXCEPTION_METHOD_NAME)),
395: *main_class,
1.233 paf 396: false)) {
1.245.2.6 paf 397: if(JunctionPtr junction=value->get_junction()) {
1.233 paf 398: if(const Method *method=junction->method) {
399: // preparing to pass parameters to
400: // @unhandled_exception[exception;stack]
1.234 paf 401: VMethodFrame frame(pool(), method->name, *junction, 0/*no caller*/);
1.245.2.8 paf 402: frame.set_self(main_class);
1.233 paf 403:
404: // $exception
1.245.2.16 paf 405: frame.store_param(exception2vhash(pool(), e));
1.233 paf 406: // $stack[^table::set{name origin}]
1.245.2.6 paf 407: Table::columns_type stack_trace_columns;
408: *stack_trace_columns+=StringPtr(new String("name"));
409: *stack_trace_columns+=StringPtr(new String("file"));
410: *stack_trace_columns+=StringPtr(new String("lineno"));
411: TablePtr stack_trace(new Table(Exception::undefined_source, stack_trace_columns));
412: Array_iterator<StringPtr> tracei(exception_trace);
1.233 paf 413: while(tracei.has_next()) {
1.245.2.6 paf 414: Table::element_type row;
1.171 parser 415:
1.245.2.6 paf 416: StringPtr name=tracei.next();
417: *row+=name; // name column
1.171 parser 418: #ifndef NO_STRING_ORIGIN
1.245.2.6 paf 419: const String_fragment::Origin& origin=name->origin();
1.233 paf 420: if(origin.file) {
1.245.2.6 paf 421: *row+=StringPtr(new String(origin.file, 0, true)); // file column
1.233 paf 422: char *buf=(char *)malloc(MAX_NUMBER);
423: size_t buf_size=snprintf(buf, MAX_NUMBER, "%d", 1+origin.line);
1.245.2.6 paf 424: *row+=StringPtr(new String(buf, buf_size, true)); // line column
1.233 paf 425: }
1.171 parser 426: #endif
1.245.2.6 paf 427: *stack_trace+=row;
1.233 paf 428: }
1.245.2.6 paf 429: frame.store_param(ValuePtr(new VTable(stack_trace)));
1.171 parser 430:
1.233 paf 431: // future $response:body=
432: // execute ^unhandled_exception[exception;stack]
1.245.2.6 paf 433: body_string=execute_method(frame, *method);
1.233 paf 434: }
435: }
1.30 paf 436: }
437:
1.41 paf 438: if(!body_string) { // couldn't report an error beautifully?
439: // doing that ugly
440:
441: // make up result: $origin $source $comment $type $code
442: char *buf=(char *)malloc(MAX_STRING);
1.30 paf 443: size_t printed=0;
1.245.2.6 paf 444: if(StringPtr problem_source=e.problem_source()) {
1.16 paf 445: #ifndef NO_STRING_ORIGIN
1.245.2.6 paf 446: const String_fragment::Origin& origin=problem_source->origin();
1.30 paf 447: if(origin.file)
1.180 paf 448: printed+=snprintf(buf+printed, MAX_STRING-printed,
449: ORIGIN_FILE_LINE_FORMAT": ",
450: origin.file, 1+origin.line
451: );
1.28 paf 452: #endif
1.41 paf 453: printed+=snprintf(buf+printed, MAX_STRING-printed, "'%s' ",
1.245.2.14 paf 454: problem_source->cstr().get());
1.30 paf 455: }
1.245.2.5 paf 456: if(const char* comment=e.comment(true))
1.206 paf 457: printed+=snprintf(buf+printed, MAX_STRING-printed, "%s", comment);
1.245.2.5 paf 458: if(const char* type=e.type(true))
1.197 paf 459: printed+=snprintf(buf+printed, MAX_STRING-printed, " type: %s", type);
1.43 paf 460:
461: // future $response:content-type
1.245.2.6 paf 462: response->fields().put(content_type_name,
463: ValuePtr(new VString(StringPtr(new String(UNHANDLED_EXCEPTION_CONTENT_TYPE)))));
1.43 paf 464: // future $response:body
1.245.2.6 paf 465: body_string=StringPtr(new String(buf));
1.30 paf 466: }
1.41 paf 467:
1.245.2.6 paf 468: VString body_vstring(body_string);
1.245.2.13 paf 469: VFilePtr body_file=body_vstring.as_vfile(pool());
1.90 paf 470:
1.45 paf 471: // ERROR. write it out
1.245.2.7 paf 472: output_result(body_file, header_only, false);
1.170 parser 473: } catch(const Exception& ) {
1.245.2.6 paf 474: rethrow;
1.3 paf 475: }
1.1 paf 476: }
477: }
478:
1.245.2.3 paf 479: VStateless_classPtr Request::use_file(VStateless_class& aclass,
1.245.2.4 paf 480: StringPtr file_name, bool ignore_class_path,
1.233 paf 481: bool fail_on_read_problem, bool fail_on_file_absence) {
1.73 paf 482: // cyclic dependence check
1.148 parser 483: if(used_files.get(file_name))
1.245.2.14 paf 484: return VStateless_classPtr(0);
1.245.2.2 paf 485: used_files.put(file_name, true);
1.73 paf 486:
1.245.2.6 paf 487: StringPtr file_spec;
1.153 parser 488: if(ignore_class_path) // ignore_class_path?
1.245.2.6 paf 489: file_spec=file_name;
490: else if(file_name->first_char()=='/') //absolute path, no need to scan MAIN:CLASS_PATH?
491: file_spec=absolute(file_name);
1.153 parser 492: else {
1.245.2.6 paf 493: file_spec=StringPtr(0);
494: if(ValuePtr element=main_class->get_element(class_path_name, *main_class, false)) {
1.233 paf 495: if(element->is_string()) {
1.245.2.6 paf 496: file_spec=file_readable(absolute(element->as_string(&pool())), file_name); // found at class_path?
1.233 paf 497: } else if(Table *table=element->get_table()) {
1.245.2.6 paf 498: int size=table->count();
1.233 paf 499: for(int i=size; i--; ) {
1.245.2.6 paf 500: StringPtr path=(*table->get(i))[0];
1.233 paf 501: if(file_spec=file_readable(absolute(path), file_name))
502: break; // found along class_path
503: }
504: } else
505: throw Exception("parser.runtime",
1.245.2.6 paf 506: Exception::undefined_source,
1.233 paf 507: "$" CLASS_PATH_NAME " must be string or table");
508: if(!file_spec)
509: throw Exception("parser.runtime",
1.245.2.6 paf 510: file_name,
1.233 paf 511: "not found along " MAIN_CLASS_NAME ":" CLASS_PATH_NAME);
512: }
1.153 parser 513: if(!file_spec)
1.197 paf 514: throw Exception("parser.runtime",
1.245.2.6 paf 515: file_name,
1.203 paf 516: "usage failed - no $" MAIN_CLASS_NAME ":" CLASS_PATH_NAME " were specified");
1.148 parser 517: }
1.230 paf 518:
519: if(fail_on_read_problem && !fail_on_file_absence) // ignore file absence if asked for
1.245.2.6 paf 520: if(!entry_exists(file_spec))
1.245.2.14 paf 521: return VStateless_classPtr(0);
1.73 paf 522:
1.245.2.6 paf 523: if(const char *source=file_read_text(pool(), charsets.source(), file_spec, fail_on_read_problem))
524: return use_buf(aclass, source, file_spec, file_spec->cstr(pool()));
525: else
1.245.2.14 paf 526: return VStateless_classPtr(0);
1.16 paf 527: }
528:
1.208 paf 529:
1.245.2.3 paf 530: VStateless_classPtr Request::use_buf(VStateless_class& aclass,
1.245.2.5 paf 531: const char* source,
1.245.2.6 paf 532: StringPtr filespec, const char* filespec_cstr) {
1.233 paf 533: // temporary zero @conf so to maybe-replace it in compiled code
1.245.2.6 paf 534: Temp_method temp_method_conf(aclass, conf_method_name, MethodPtr(0));
1.233 paf 535: // temporary zero @auto so to maybe-replace it in compiled code
1.245.2.6 paf 536: Temp_method temp_method_auto(aclass, auto_method_name, MethodPtr(0));
1.233 paf 537:
1.5 paf 538: // compile loaded class
1.245.2.6 paf 539: VStateless_class& cclass=COMPILE(&aclass, source, filespec_cstr);
1.212 paf 540:
1.233 paf 541: // locate and execute possible @conf[] static
1.245.2.6 paf 542: VStringPtr vfilespec(new VString(filespec));
1.209 paf 543: const Method *method_called;
1.212 paf 544: execute_nonvirtual_method(cclass,
1.245.2.6 paf 545: conf_method_name, vfilespec,
546: false/*no result needed*/, &method_called);
1.233 paf 547: if(method_called)
1.245.2.6 paf 548: configure_admin(cclass, method_called->name);
1.208 paf 549:
550: // locate and execute possible @auto[] static
1.233 paf 551: execute_nonvirtual_method(cclass,
1.245.2.6 paf 552: auto_method_name, vfilespec,
1.212 paf 553: 0/*no result needed*/);
1.245.2.14 paf 554: return VStateless_classPtr(&cclass);
1.19 paf 555: }
556:
1.245.2.6 paf 557: StringPtr Request::relative(const char* apath, StringPtr relative_name) {
558: char *hpath=pool().copy(apath);
559: StringPtr result(new String);
1.217 paf 560: if(rsplit(hpath, '/')) // if something/splitted
1.245.2.6 paf 561: *result << hpath << "/";
562: *result << relative_name;
1.19 paf 563: return result;
564: }
565:
1.245.2.6 paf 566: StringPtr Request::absolute(StringPtr relative_name) {
567: if(relative_name->first_char()=='/') {
568: StringPtr result=StringPtr(new String(request_info.document_root));
569: *result << relative_name;
1.19 paf 570: return result;
571: } else
1.245.2.6 paf 572: return relative_name->pos("://")<0? relative(request_info.path_translated, relative_name)
1.239 paf 573: :relative_name; // something like "http://xxx"
1.1 paf 574: }
1.45 paf 575:
1.245.2.7 paf 576: static void add_header_attribute(
577: HashStringValue::key_type aattribute,
578: HashStringValue::value_type ameaning,
579: Request *r) {
580: if(*aattribute==BODY_NAME
581: || *aattribute==DOWNLOAD_NAME
582: || *aattribute==CHARSET_NAME)
1.101 paf 583: return;
584:
1.245.2.7 paf 585: SAPI::add_header_attribute(r->sapi_info,
586: aattribute->cstr(),
587: attributed_meaning_to_string(r->pool(), ameaning, String::UL_HTTP_HEADER, false)->
588: cstr(String::UL_UNSPECIFIED));
1.101 paf 589: }
1.245.2.7 paf 590: void Request::output_result(VFilePtr body_file, bool header_only, bool as_attachment) {
1.51 paf 591: // header: cookies
1.245.2.10 paf 592: cookie->output_result(pool(), sapi_info);
1.51 paf 593:
1.245.2.6 paf 594: ValuePtr body_file_content_type;
1.90 paf 595: // set content-type
1.245.2.7 paf 596: if(body_file_content_type=body_file->fields().get(content_type_name)) {
1.90 paf 597: // body file content type
1.245.2.7 paf 598: response->fields().put(content_type_name, body_file_content_type);
1.90 paf 599: } else {
600: // default content type
1.245.2.7 paf 601: response->fields().put_dont_replace(content_type_name,
602: ValuePtr(new VString(StringPtr(new String(DEFAULT_CONTENT_TYPE)))));
1.92 paf 603: }
604:
605: // content-disposition
1.245.2.7 paf 606: if(ValuePtr vfile_name=body_file->fields().get(name_name))
1.245.2.14 paf 607: if(*vfile_name->get_string(&fpool)!=NONAME_DAT) {
1.245.2.7 paf 608: VHashPtr hash(new VHash);
609: HashStringValue &h=hash->hash(Exception::undefined_source);
1.244 paf 610: if(as_attachment)
1.245.2.7 paf 611: h.put(value_name, ValuePtr(new VString(content_disposition_value)));
612: h.put(content_disposition_filename_name, vfile_name);
613: response->fields().put(content_disposition_name, hash);
1.111 paf 614: }
1.49 paf 615:
1.62 paf 616: // prepare header: $response:fields without :body
1.245.2.6 paf 617: response->fields().for_each(add_header_attribute, this);
1.50 paf 618:
1.184 paf 619: const void *client_body;
620: size_t client_content_length;
1.220 paf 621: // transcode text body when "text/*" or simple result
1.223 paf 622: if(body_file_content_type)
1.245.2.7 paf 623: if(HashStringValue *hash=body_file_content_type->get_hash(Exception::undefined_source))
624: body_file_content_type=hash->get(value_name);
625: if(!body_file_content_type/*vstring.as_vfile*/ || body_file_content_type->as_string(&pool())->pos("text/")==0) {
1.220 paf 626: Charset::transcode(pool(),
1.245.2.7 paf 627: charsets.source(), body_file->value_ptr(), body_file->value_size(),
628: charsets.client(), client_body, client_content_length
1.220 paf 629: );
630: } else {
1.245.2.7 paf 631: client_body=body_file->value_ptr();
632: client_content_length=body_file->value_size();
1.220 paf 633: }
1.50 paf 634:
1.62 paf 635: // prepare header: content-length
1.200 paf 636: char content_length_cstr[MAX_NUMBER];
637: snprintf(content_length_cstr, MAX_NUMBER, "%u", client_content_length);
1.245.2.7 paf 638: SAPI::add_header_attribute(sapi_info, "content-length", content_length_cstr);
1.62 paf 639:
640: // send header
1.245.2.7 paf 641: SAPI::send_header(sapi_info);
1.71 paf 642:
1.62 paf 643: // send body
644: if(!header_only)
1.245.2.7 paf 645: SAPI::send_body(sapi_info, client_body, client_content_length);
1.50 paf 646: }
1.104 paf 647:
1.245.2.7 paf 648: StringPtr Request::mime_type_of(const char* user_file_name_cstr) {
1.104 paf 649: if(mime_types)
1.245.2.5 paf 650: if(const char* cext=strrchr(user_file_name_cstr, '.')) {
1.245.2.7 paf 651: String sext(++cext);
652: if(mime_types->locate(0, sext.change_case(pool(), charsets.source(), String::CC_LOWER)))
653: if(StringPtr result=mime_types->item(1))
654: return result;
1.104 paf 655: else
1.197 paf 656: throw Exception("parser.runtime",
1.104 paf 657: mime_types->origin_string(),
1.212 paf 658: MIME_TYPES_NAME " table column elements must not be empty");
1.104 paf 659: }
1.245.2.7 paf 660:
661: return StringPtr(new String("application/octet-stream"));
1.233 paf 662: }
663:
664: bool Request::origins_mode() {
1.245.2.7 paf 665: return main_class->get_element(origins_mode_name, *main_class, false)!=0; // $ORIGINS mode
1.133 parser 666: }
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