Annotation of parser3/src/main/pa_request.C, revision 1.245.2.18
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:
1.245.2.18! paf 8: static const char* IDENT_REQUEST_C="$Date: 2003/02/14 17:28:20 $";
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: //
1.245.2.18! paf 86: Request::Request(Pool& apool, SAPI_Info& asapi_info, Request_info& arequest_info,
1.245.2.4 paf 87: uchar adefault_lang, bool status_allowed):
1.245.2.18! paf 88: fpool(apool),
1.245.2.4 paf 89: sapi_info(asapi_info),
90: request_info(arequest_info),
1.157 parser 91: fdefault_lang(adefault_lang), flang(adefault_lang),
1.186 paf 92:
1.245.2.4 paf 93: main_class(VClassMAIN_create()),
1.245.2.6 paf 94: charsets(pool(), *UTF8_charset, *UTF8_charset, *UTF8_charset), // default charsets
95:
1.245.2.12 paf 96: response(new VResponse(fpool, arequest_info, charsets)),
1.245.2.6 paf 97: form(new VForm),
98: mail(new VMail),
99: cookie(new VCookie)
1.245.2.4 paf 100: {
1.178 paf 101: // maybe expire old caches
1.245.2.4 paf 102: cache_managers.maybe_expire();
1.178 paf 103:
1.157 parser 104: /// directly used
1.233 paf 105: // MAIN class, operators
1.245.2.4 paf 106: classes().put(main_class->name(), main_class);
1.157 parser 107: // classes:
108: // table, file, random, mail, image, ...
1.245.2.4 paf 109: methoded_array.register_directly_used(*this);
1.157 parser 110:
111: /// methodless
112: // env class
1.245.2.4 paf 113: classes().put(StringPtr(new String(ENV_CLASS_NAME)),
114: ValuePtr(new VEnv(asapi_info)));
1.175 paf 115: // status class
1.179 paf 116: if(status_allowed)
1.245.2.4 paf 117: classes().put(StringPtr(new String(STATUS_CLASS_NAME)),
1.245.2.12 paf 118: ValuePtr(new VStatus(pool())));
1.157 parser 119: // request class
1.245.2.4 paf 120: classes().put(StringPtr(new String(REQUEST_CLASS_NAME)),
121: ValuePtr(new VRequest(arequest_info, charsets)));
1.157 parser 122: // cookie class
1.245.2.6 paf 123: classes().put(StringPtr(new String(COOKIE_CLASS_NAME)), cookie);
1.157 parser 124:
125: /// methoded
126: // response class
1.245.2.6 paf 127: classes().put(response->get_class()->name(), response);
1.157 parser 128:
129: /// bases used
130: // form class
1.245.2.6 paf 131: classes().put(form->get_class()->base_class()->name(), form);
1.213 paf 132: // mail class
1.245.2.6 paf 133: classes().put(mail->get_class()->base_class()->name(), mail);
1.157 parser 134: // math class
1.245.2.4 paf 135: {
136: ValuePtr math(new VMail);
137: classes().put(math->get_class()->base_class()->name(), math);
138: }
1.245.2.5 paf 139:
140: // prevent system classes from modification [calling add_method]
141: // ^process[$string:CLASS]{@method} prohibited from now on...
1.245.2.6 paf 142: classes().for_each(lock_system_class, 0);
1.117 paf 143: }
1.192 paf 144:
145: Request::~Request() {
146: #ifdef XML
147: // if for some strange reason xml generic errors failed to be reported, free them up
1.245.2.5 paf 148: if(const char* xml_generic_errors=xmlGenericErrors()) {
1.192 paf 149: SAPI::log(pool(), "warning: unreported xmlGenericErrors: %s", xml_generic_errors);
150: free((void *)xml_generic_errors);
151: }
152: #endif
153: }
1.236 paf 154:
1.245.2.8 paf 155: ValuePtr Request::get_self() { return method_frame?method_frame->get_self():ValuePtr(0); }
1.192 paf 156:
1.245.2.6 paf 157: static void load_charset(HashStringValue::key_type akey, HashStringValue::value_type avalue, int) {
158: ::charsets.load_charset(akey, avalue->as_string(0));
1.208 paf 159: }
1.245.2.6 paf 160: void Request::configure_admin(VStateless_class& conf_class, StringPtr source) {
1.208 paf 161: if(configure_admin_done)
162: throw Exception("parser.runtime",
163: source,
164: "parser already configured");
165: configure_admin_done=true;
166:
1.227 paf 167: // charsets must only be specified in method_frame config
1.208 paf 168: // so that users would not interfere
169:
170: /* $MAIN:CHARSETS[
171: $.charsetname1[/full/path/to/charset/file.cfg]
172: ...
173: ]
174: */
1.245.2.6 paf 175: if(ValuePtr vcharsets=conf_class.get_element(charsets_name, conf_class, false)) {
1.240 paf 176: if(!vcharsets->is_string())
1.245.2.6 paf 177: if(HashStringValue* charsets=vcharsets->get_hash(StringPtr(0)))
178: charsets->for_each(load_charset, 0);
1.240 paf 179: else
180: throw Exception("parser.runtime",
1.245.2.6 paf 181: Exception::undefined_source,
1.240 paf 182: "$" MAIN_CLASS_NAME ":" CHARSETS_NAME " must be hash");
1.208 paf 183: }
184:
1.227 paf 185: // configure method_frame options
1.208 paf 186: // until someone with less privileges have overriden them
1.245.2.6 paf 187: methoded_array.configure_admin(*this);
1.208 paf 188: }
1.150 parser 189:
1.64 paf 190: /**
191: load MAIN class, execute @main.
192: MAIN class consists of all the auto.p files we'd manage to find
193: plus
194: the file user requested us to process
195: all located classes become children of one another,
196: composing class we name 'MAIN'
1.180 paf 197:
198: @test log stack trace
199:
1.64 paf 200: */
1.153 parser 201: void Request::core(
1.245.2.5 paf 202: const char* config_filespec, bool config_fail_on_read_problem,
1.62 paf 203: bool header_only) {
1.183 paf 204:
205: #ifdef RESOURCES_DEBUG
206: //measures
207: struct timeval mt[10];
208: //measure:before all
209: gettimeofday(&mt[0],NULL);
210: #endif
1.169 parser 211: try {
1.29 paf 212: char *auto_filespec=(char *)malloc(MAX_STRING);
213:
1.211 paf 214: // loading config
215: if(config_filespec) {
1.245.2.6 paf 216: StringPtr filespec(new String);
217: filespec->APPEND_CLEAN(config_filespec, 0, "config", 0);
218: use_file(*main_class,
1.233 paf 219: filespec, true/* ignore class_path */,
220: config_fail_on_read_problem, true/* file must exist if 'fail on read problem' not set */);
1.29 paf 221: }
1.8 paf 222:
1.72 paf 223: // loading auto.p files from document_root/..
224: // to the one beside requested file.
225: // all assigned bases from upper dir
226: {
1.245.2.6 paf 227: const char* after=request_info.path_translated;
228: size_t drlen=strlen(request_info.document_root);
229: if(memcmp(after, request_info.document_root, drlen)==0) {
1.115 paf 230: after+=drlen;
231: if(after[-1]=='/')
232: --after;
233: }
234:
1.152 parser 235: int step=0;
1.245.2.5 paf 236: while(const char* before=strchr(after, '/')) {
1.245.2.6 paf 237: StringPtr sfile_spec(new String);
238: if(after!=request_info.path_translated) {
239: sfile_spec->APPEND_CLEAN(
240: request_info.path_translated, before-request_info.path_translated,
1.152 parser 241: "path-translated-scanned", step++);
1.245.2.6 paf 242: *sfile_spec << "/" AUTO_FILE_NAME;
1.152 parser 243:
1.245.2.6 paf 244: use_file(*main_class,
1.233 paf 245: sfile_spec, true/* ignore class_path */,
246: true/* fail on read problem */, false/* but ignore absence, sole user */);
1.115 paf 247: }
248: after=before+1;
1.72 paf 249: }
250: }
1.34 paf 251:
1.125 paf 252: // compile requested file
1.245.2.6 paf 253: StringPtr spath_translated(new String);
254: spath_translated->APPEND_TAINTED(request_info.path_translated, 0, "user-request", 0);
255: use_file(*main_class,
1.233 paf 256: spath_translated, true/* ignore class_path */,
257: true/* fail on read problem*/, true/* fail on abscence */);
1.214 paf 258:
1.227 paf 259: // configure method_frame options if not configured yet
1.214 paf 260: if(!configure_admin_done)
1.245.2.6 paf 261: configure_admin(*main_class, StringPtr(0));
1.7 paf 262:
1.227 paf 263: // configure not-method_frame=user options
1.245.2.6 paf 264: methoded_array.configure_user(*this);
1.124 paf 265:
1.85 paf 266: // $MAIN:MIME-TYPES
1.245.2.6 paf 267: if(ValuePtr element=main_class->get_element(mime_types_name, *main_class, false))
1.85 paf 268: if(Table *table=element->get_table())
269: mime_types=table;
1.102 paf 270:
1.124 paf 271: // filling form fields
1.245.2.10 paf 272: form->fill_fields_and_tables(pool(), charsets, request_info);
1.102 paf 273:
1.124 paf 274: // filling cookies
1.245.2.6 paf 275: cookie->fill_fields(pool(), request_info);
1.213 paf 276:
277: // filling mail received
1.245.2.6 paf 278: mail->fill_received(pool(), request_info);
1.25 paf 279:
1.183 paf 280: #ifdef RESOURCES_DEBUG
281: //measure:after compile
282: gettimeofday(&mt[1],NULL);
283: #endif
1.25 paf 284: // execute @main[]
1.245.2.9 paf 285: StringPtr body_string=execute_virtual_method(main_class, main_method_name);
1.41 paf 286: if(!body_string)
1.197 paf 287: throw Exception("parser.runtime",
1.245.2.6 paf 288: Exception::undefined_source,
1.145 parser 289: "'"MAIN_METHOD_NAME"' method not found");
1.79 paf 290:
1.183 paf 291: #ifdef RESOURCES_DEBUG
292: //measure:after main
293: gettimeofday(&mt[2],NULL);
294: #endif
295:
1.245.2.6 paf 296: VStringPtr body_vstring_before_post_process(new VString(body_string));
297: VStringPtr body_vstring_after_post_process(body_vstring_before_post_process);
1.119 paf 298: // @postprocess
1.245.2.6 paf 299: if(ValuePtr value=main_class->get_element(post_process_method_name, *main_class, false))
300: if(JunctionPtr junction=value->get_junction())
1.91 paf 301: if(const Method *method=junction->method) {
302: // preparing to pass parameters to
1.119 paf 303: // @postprocess[data]
1.234 paf 304: VMethodFrame frame(pool(), method->name, *junction, 0/*no parent*/);
1.245.2.8 paf 305: frame.set_self(main_class);
1.91 paf 306:
1.245.2.6 paf 307: frame.store_param(body_vstring_before_post_process);
1.91 paf 308: body_vstring_after_post_process=
1.245.2.6 paf 309: VStringPtr(new VString(execute_method(frame, *method)));
1.91 paf 310: }
1.90 paf 311:
1.204 paf 312: bool lorigins_mode=origins_mode();
1.144 parser 313:
1.245.2.13 paf 314: VFilePtr body_file=body_vstring_after_post_process->as_vfile(pool(),
1.204 paf 315: String::UL_UNSPECIFIED, lorigins_mode);
1.41 paf 316:
1.45 paf 317: // extract response body
1.245.2.6 paf 318: ValuePtr body_value=response->fields().get(download_name);
1.244 paf 319: bool as_attachment=body_value!=0;
320: if(!body_value)
1.245.2.6 paf 321: body_value=response->fields().get(body_name);
1.244 paf 322:
1.216 paf 323: if(body_value) // there is some $response:body
1.245.2.6 paf 324: body_file=body_value->as_vfile(pool());
1.204 paf 325: else if(lorigins_mode)
1.245.2.6 paf 326: response->fields().put(content_type_name,
327: ValuePtr(new VString(StringPtr(new String(ORIGINS_CONTENT_TYPE)))));
1.45 paf 328:
1.183 paf 329: #ifdef RESOURCES_DEBUG
330: //measure:after postprocess
331: gettimeofday(&mt[3],NULL);
332: #endif
333:
1.45 paf 334: // OK. write out the result
1.245.2.7 paf 335: output_result(body_file, header_only, as_attachment);
1.183 paf 336:
337: #ifdef RESOURCES_DEBUG
338: //measure:after output_result
339: gettimeofday(&mt[9],NULL);
340: t[9]=mt[9].tv_sec+mt[9].tv_usec/1000000.0;
341:
342: double t[10];
343: for(int i=0;i<10;i++)
344: t[i]=mt[i].tv_sec+mt[i].tv_usec/1000000.0;
345: //measure:log2 compile,main,postprocess,output
346: SAPI::log(pool(), "rmeasure: %s,%.2f,%.2f,%.2f %.2f,%.2f %.2f",
1.245.2.6 paf 347: request_info.uri,
1.183 paf 348: t[1]-t[0],
349: t[2]-t[1],
350: t[3]-t[2],
351: sql_connect_time,sql_request_time,
352: t[9]-t[3]
353: );
354: #endif
1.171 parser 355: } catch(const Exception& e) { // request handling problem
1.76 paf 356: // we're returning not result, but error explanation
1.169 parser 357: try {
1.76 paf 358: // log the beast
1.245.2.6 paf 359: if(StringPtr problem_source=e.problem_source())
360: SAPI::log(sapi_info,
1.199 paf 361: "%s: "
1.76 paf 362: #ifndef NO_STRING_ORIGIN
1.180 paf 363: ORIGIN_FILE_LINE_FORMAT": "
1.76 paf 364: #endif
1.197 paf 365: "'%s' %s [%s]",
1.245.2.6 paf 366: request_info.uri,
1.76 paf 367: #ifndef NO_STRING_ORIGIN
368: problem_source->origin().file?problem_source->origin().file:"global",
369: problem_source->origin().line,
370: #endif
1.245.2.14 paf 371: problem_source->cstr().get(),
1.76 paf 372: e.comment(),
1.206 paf 373: e.type()
1.76 paf 374: );
375: else
1.245.2.6 paf 376: SAPI::log(sapi_info,
1.199 paf 377: "%s: "
1.197 paf 378: "%s [%s]",
1.245.2.6 paf 379: request_info.uri,
1.206 paf 380: e.comment(), e.type()
1.180 paf 381: );
1.171 parser 382:
1.43 paf 383: // reset language to default
384: flang=fdefault_lang;
385:
386: // reset response
1.245.2.6 paf 387: response->fields().clear();
1.43 paf 388:
389: // this is what we'd return in $response:body
1.245.2.6 paf 390: StringPtr body_string(0);
1.43 paf 391:
1.233 paf 392: // maybe we'd be lucky enough as to report an error
393: // in a gracefull way...
1.245.2.6 paf 394: if(ValuePtr value=main_class->get_element(
395: StringPtr(new String(UNHANDLED_EXCEPTION_METHOD_NAME)),
396: *main_class,
1.233 paf 397: false)) {
1.245.2.6 paf 398: if(JunctionPtr junction=value->get_junction()) {
1.233 paf 399: if(const Method *method=junction->method) {
400: // preparing to pass parameters to
401: // @unhandled_exception[exception;stack]
1.234 paf 402: VMethodFrame frame(pool(), method->name, *junction, 0/*no caller*/);
1.245.2.8 paf 403: frame.set_self(main_class);
1.233 paf 404:
405: // $exception
1.245.2.16 paf 406: frame.store_param(exception2vhash(pool(), e));
1.233 paf 407: // $stack[^table::set{name origin}]
1.245.2.6 paf 408: Table::columns_type stack_trace_columns;
409: *stack_trace_columns+=StringPtr(new String("name"));
410: *stack_trace_columns+=StringPtr(new String("file"));
411: *stack_trace_columns+=StringPtr(new String("lineno"));
412: TablePtr stack_trace(new Table(Exception::undefined_source, stack_trace_columns));
413: Array_iterator<StringPtr> tracei(exception_trace);
1.233 paf 414: while(tracei.has_next()) {
1.245.2.6 paf 415: Table::element_type row;
1.171 parser 416:
1.245.2.6 paf 417: StringPtr name=tracei.next();
418: *row+=name; // name column
1.171 parser 419: #ifndef NO_STRING_ORIGIN
1.245.2.6 paf 420: const String_fragment::Origin& origin=name->origin();
1.233 paf 421: if(origin.file) {
1.245.2.6 paf 422: *row+=StringPtr(new String(origin.file, 0, true)); // file column
1.233 paf 423: char *buf=(char *)malloc(MAX_NUMBER);
424: size_t buf_size=snprintf(buf, MAX_NUMBER, "%d", 1+origin.line);
1.245.2.6 paf 425: *row+=StringPtr(new String(buf, buf_size, true)); // line column
1.233 paf 426: }
1.171 parser 427: #endif
1.245.2.6 paf 428: *stack_trace+=row;
1.233 paf 429: }
1.245.2.6 paf 430: frame.store_param(ValuePtr(new VTable(stack_trace)));
1.171 parser 431:
1.233 paf 432: // future $response:body=
433: // execute ^unhandled_exception[exception;stack]
1.245.2.6 paf 434: body_string=execute_method(frame, *method);
1.233 paf 435: }
436: }
1.30 paf 437: }
438:
1.41 paf 439: if(!body_string) { // couldn't report an error beautifully?
440: // doing that ugly
441:
442: // make up result: $origin $source $comment $type $code
443: char *buf=(char *)malloc(MAX_STRING);
1.30 paf 444: size_t printed=0;
1.245.2.6 paf 445: if(StringPtr problem_source=e.problem_source()) {
1.16 paf 446: #ifndef NO_STRING_ORIGIN
1.245.2.6 paf 447: const String_fragment::Origin& origin=problem_source->origin();
1.30 paf 448: if(origin.file)
1.180 paf 449: printed+=snprintf(buf+printed, MAX_STRING-printed,
450: ORIGIN_FILE_LINE_FORMAT": ",
451: origin.file, 1+origin.line
452: );
1.28 paf 453: #endif
1.41 paf 454: printed+=snprintf(buf+printed, MAX_STRING-printed, "'%s' ",
1.245.2.14 paf 455: problem_source->cstr().get());
1.30 paf 456: }
1.245.2.5 paf 457: if(const char* comment=e.comment(true))
1.206 paf 458: printed+=snprintf(buf+printed, MAX_STRING-printed, "%s", comment);
1.245.2.5 paf 459: if(const char* type=e.type(true))
1.197 paf 460: printed+=snprintf(buf+printed, MAX_STRING-printed, " type: %s", type);
1.43 paf 461:
462: // future $response:content-type
1.245.2.6 paf 463: response->fields().put(content_type_name,
464: ValuePtr(new VString(StringPtr(new String(UNHANDLED_EXCEPTION_CONTENT_TYPE)))));
1.43 paf 465: // future $response:body
1.245.2.6 paf 466: body_string=StringPtr(new String(buf));
1.30 paf 467: }
1.41 paf 468:
1.245.2.6 paf 469: VString body_vstring(body_string);
1.245.2.13 paf 470: VFilePtr body_file=body_vstring.as_vfile(pool());
1.90 paf 471:
1.45 paf 472: // ERROR. write it out
1.245.2.7 paf 473: output_result(body_file, header_only, false);
1.170 parser 474: } catch(const Exception& ) {
1.245.2.6 paf 475: rethrow;
1.3 paf 476: }
1.1 paf 477: }
478: }
479:
1.245.2.3 paf 480: VStateless_classPtr Request::use_file(VStateless_class& aclass,
1.245.2.4 paf 481: StringPtr file_name, bool ignore_class_path,
1.233 paf 482: bool fail_on_read_problem, bool fail_on_file_absence) {
1.73 paf 483: // cyclic dependence check
1.148 parser 484: if(used_files.get(file_name))
1.245.2.14 paf 485: return VStateless_classPtr(0);
1.245.2.2 paf 486: used_files.put(file_name, true);
1.73 paf 487:
1.245.2.6 paf 488: StringPtr file_spec;
1.153 parser 489: if(ignore_class_path) // ignore_class_path?
1.245.2.6 paf 490: file_spec=file_name;
491: else if(file_name->first_char()=='/') //absolute path, no need to scan MAIN:CLASS_PATH?
492: file_spec=absolute(file_name);
1.153 parser 493: else {
1.245.2.6 paf 494: file_spec=StringPtr(0);
495: if(ValuePtr element=main_class->get_element(class_path_name, *main_class, false)) {
1.233 paf 496: if(element->is_string()) {
1.245.2.6 paf 497: file_spec=file_readable(absolute(element->as_string(&pool())), file_name); // found at class_path?
1.233 paf 498: } else if(Table *table=element->get_table()) {
1.245.2.6 paf 499: int size=table->count();
1.233 paf 500: for(int i=size; i--; ) {
1.245.2.6 paf 501: StringPtr path=(*table->get(i))[0];
1.233 paf 502: if(file_spec=file_readable(absolute(path), file_name))
503: break; // found along class_path
504: }
505: } else
506: throw Exception("parser.runtime",
1.245.2.6 paf 507: Exception::undefined_source,
1.233 paf 508: "$" CLASS_PATH_NAME " must be string or table");
509: if(!file_spec)
510: throw Exception("parser.runtime",
1.245.2.6 paf 511: file_name,
1.233 paf 512: "not found along " MAIN_CLASS_NAME ":" CLASS_PATH_NAME);
513: }
1.153 parser 514: if(!file_spec)
1.197 paf 515: throw Exception("parser.runtime",
1.245.2.6 paf 516: file_name,
1.203 paf 517: "usage failed - no $" MAIN_CLASS_NAME ":" CLASS_PATH_NAME " were specified");
1.148 parser 518: }
1.230 paf 519:
520: if(fail_on_read_problem && !fail_on_file_absence) // ignore file absence if asked for
1.245.2.6 paf 521: if(!entry_exists(file_spec))
1.245.2.14 paf 522: return VStateless_classPtr(0);
1.73 paf 523:
1.245.2.6 paf 524: if(const char *source=file_read_text(pool(), charsets.source(), file_spec, fail_on_read_problem))
525: return use_buf(aclass, source, file_spec, file_spec->cstr(pool()));
526: else
1.245.2.14 paf 527: return VStateless_classPtr(0);
1.16 paf 528: }
529:
1.208 paf 530:
1.245.2.3 paf 531: VStateless_classPtr Request::use_buf(VStateless_class& aclass,
1.245.2.5 paf 532: const char* source,
1.245.2.6 paf 533: StringPtr filespec, const char* filespec_cstr) {
1.233 paf 534: // temporary zero @conf so to maybe-replace it in compiled code
1.245.2.6 paf 535: Temp_method temp_method_conf(aclass, conf_method_name, MethodPtr(0));
1.233 paf 536: // temporary zero @auto so to maybe-replace it in compiled code
1.245.2.6 paf 537: Temp_method temp_method_auto(aclass, auto_method_name, MethodPtr(0));
1.233 paf 538:
1.5 paf 539: // compile loaded class
1.245.2.6 paf 540: VStateless_class& cclass=COMPILE(&aclass, source, filespec_cstr);
1.212 paf 541:
1.233 paf 542: // locate and execute possible @conf[] static
1.245.2.6 paf 543: VStringPtr vfilespec(new VString(filespec));
1.209 paf 544: const Method *method_called;
1.212 paf 545: execute_nonvirtual_method(cclass,
1.245.2.6 paf 546: conf_method_name, vfilespec,
547: false/*no result needed*/, &method_called);
1.233 paf 548: if(method_called)
1.245.2.6 paf 549: configure_admin(cclass, method_called->name);
1.208 paf 550:
551: // locate and execute possible @auto[] static
1.233 paf 552: execute_nonvirtual_method(cclass,
1.245.2.6 paf 553: auto_method_name, vfilespec,
1.212 paf 554: 0/*no result needed*/);
1.245.2.14 paf 555: return VStateless_classPtr(&cclass);
1.19 paf 556: }
557:
1.245.2.6 paf 558: StringPtr Request::relative(const char* apath, StringPtr relative_name) {
559: char *hpath=pool().copy(apath);
560: StringPtr result(new String);
1.217 paf 561: if(rsplit(hpath, '/')) // if something/splitted
1.245.2.6 paf 562: *result << hpath << "/";
563: *result << relative_name;
1.19 paf 564: return result;
565: }
566:
1.245.2.6 paf 567: StringPtr Request::absolute(StringPtr relative_name) {
568: if(relative_name->first_char()=='/') {
569: StringPtr result=StringPtr(new String(request_info.document_root));
570: *result << relative_name;
1.19 paf 571: return result;
572: } else
1.245.2.6 paf 573: return relative_name->pos("://")<0? relative(request_info.path_translated, relative_name)
1.239 paf 574: :relative_name; // something like "http://xxx"
1.1 paf 575: }
1.45 paf 576:
1.245.2.7 paf 577: static void add_header_attribute(
578: HashStringValue::key_type aattribute,
579: HashStringValue::value_type ameaning,
580: Request *r) {
581: if(*aattribute==BODY_NAME
582: || *aattribute==DOWNLOAD_NAME
583: || *aattribute==CHARSET_NAME)
1.101 paf 584: return;
585:
1.245.2.7 paf 586: SAPI::add_header_attribute(r->sapi_info,
587: aattribute->cstr(),
588: attributed_meaning_to_string(r->pool(), ameaning, String::UL_HTTP_HEADER, false)->
589: cstr(String::UL_UNSPECIFIED));
1.101 paf 590: }
1.245.2.7 paf 591: void Request::output_result(VFilePtr body_file, bool header_only, bool as_attachment) {
1.51 paf 592: // header: cookies
1.245.2.10 paf 593: cookie->output_result(pool(), sapi_info);
1.51 paf 594:
1.245.2.6 paf 595: ValuePtr body_file_content_type;
1.90 paf 596: // set content-type
1.245.2.7 paf 597: if(body_file_content_type=body_file->fields().get(content_type_name)) {
1.90 paf 598: // body file content type
1.245.2.7 paf 599: response->fields().put(content_type_name, body_file_content_type);
1.90 paf 600: } else {
601: // default content type
1.245.2.7 paf 602: response->fields().put_dont_replace(content_type_name,
603: ValuePtr(new VString(StringPtr(new String(DEFAULT_CONTENT_TYPE)))));
1.92 paf 604: }
605:
606: // content-disposition
1.245.2.7 paf 607: if(ValuePtr vfile_name=body_file->fields().get(name_name))
1.245.2.14 paf 608: if(*vfile_name->get_string(&fpool)!=NONAME_DAT) {
1.245.2.7 paf 609: VHashPtr hash(new VHash);
610: HashStringValue &h=hash->hash(Exception::undefined_source);
1.244 paf 611: if(as_attachment)
1.245.2.7 paf 612: h.put(value_name, ValuePtr(new VString(content_disposition_value)));
613: h.put(content_disposition_filename_name, vfile_name);
614: response->fields().put(content_disposition_name, hash);
1.111 paf 615: }
1.49 paf 616:
1.62 paf 617: // prepare header: $response:fields without :body
1.245.2.6 paf 618: response->fields().for_each(add_header_attribute, this);
1.50 paf 619:
1.184 paf 620: const void *client_body;
621: size_t client_content_length;
1.220 paf 622: // transcode text body when "text/*" or simple result
1.223 paf 623: if(body_file_content_type)
1.245.2.7 paf 624: if(HashStringValue *hash=body_file_content_type->get_hash(Exception::undefined_source))
625: body_file_content_type=hash->get(value_name);
626: if(!body_file_content_type/*vstring.as_vfile*/ || body_file_content_type->as_string(&pool())->pos("text/")==0) {
1.220 paf 627: Charset::transcode(pool(),
1.245.2.7 paf 628: charsets.source(), body_file->value_ptr(), body_file->value_size(),
629: charsets.client(), client_body, client_content_length
1.220 paf 630: );
631: } else {
1.245.2.7 paf 632: client_body=body_file->value_ptr();
633: client_content_length=body_file->value_size();
1.220 paf 634: }
1.50 paf 635:
1.62 paf 636: // prepare header: content-length
1.200 paf 637: char content_length_cstr[MAX_NUMBER];
638: snprintf(content_length_cstr, MAX_NUMBER, "%u", client_content_length);
1.245.2.7 paf 639: SAPI::add_header_attribute(sapi_info, "content-length", content_length_cstr);
1.62 paf 640:
641: // send header
1.245.2.7 paf 642: SAPI::send_header(sapi_info);
1.71 paf 643:
1.62 paf 644: // send body
645: if(!header_only)
1.245.2.7 paf 646: SAPI::send_body(sapi_info, client_body, client_content_length);
1.50 paf 647: }
1.104 paf 648:
1.245.2.7 paf 649: StringPtr Request::mime_type_of(const char* user_file_name_cstr) {
1.104 paf 650: if(mime_types)
1.245.2.5 paf 651: if(const char* cext=strrchr(user_file_name_cstr, '.')) {
1.245.2.7 paf 652: String sext(++cext);
653: if(mime_types->locate(0, sext.change_case(pool(), charsets.source(), String::CC_LOWER)))
654: if(StringPtr result=mime_types->item(1))
655: return result;
1.104 paf 656: else
1.197 paf 657: throw Exception("parser.runtime",
1.104 paf 658: mime_types->origin_string(),
1.212 paf 659: MIME_TYPES_NAME " table column elements must not be empty");
1.104 paf 660: }
1.245.2.7 paf 661:
662: return StringPtr(new String("application/octet-stream"));
1.233 paf 663: }
664:
665: bool Request::origins_mode() {
1.245.2.7 paf 666: return main_class->get_element(origins_mode_name, *main_class, false)!=0; // $ORIGINS mode
1.133 parser 667: }
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