Annotation of parser3/src/main/pa_request.C, revision 1.245.2.23
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:
1.245.2.23! paf 8: static const char* IDENT_REQUEST_C="$Date: 2003/02/17 11:42:32 $";
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:
1.157 parser 80: //
1.245.2.18 paf 81: Request::Request(Pool& apool, SAPI_Info& asapi_info, Request_info& arequest_info,
1.245.2.4 paf 82: uchar adefault_lang, bool status_allowed):
1.245.2.20 paf 83: // private
1.245.2.18 paf 84: fpool(apool),
1.245.2.20 paf 85: anti_endless_execute_recoursion(0),
86:
87: // public
88: method_frame(0),
89: rcontext(0),
90: wcontext(0),
91: flang(adefault_lang),
92: fconnection(0),
93: finterrupted(false),
94:
95: // public
96: #ifdef RESOURCES_DEBUG
97: sql_connect_time(0),
98: sql_request_time(0),
99: #endif
100:
101: // public
1.245.2.4 paf 102: sapi_info(asapi_info),
103: request_info(arequest_info),
1.245.2.6 paf 104: charsets(pool(), *UTF8_charset, *UTF8_charset, *UTF8_charset), // default charsets
105:
1.245.2.20 paf 106: main_class(VClassMAIN_create()),
1.245.2.6 paf 107: form(new VForm),
108: mail(new VMail),
1.245.2.20 paf 109: response(new VResponse(fpool, arequest_info, charsets)),
110: cookie(new VCookie),
111:
112: // private defaults
113: fdefault_lang(adefault_lang),
114: // private mime types
115: mime_types(0)
1.245.2.4 paf 116: {
1.178 paf 117: // maybe expire old caches
1.245.2.4 paf 118: cache_managers.maybe_expire();
1.178 paf 119:
1.157 parser 120: /// directly used
1.233 paf 121: // MAIN class, operators
1.245.2.4 paf 122: classes().put(main_class->name(), main_class);
1.157 parser 123: // classes:
124: // table, file, random, mail, image, ...
1.245.2.4 paf 125: methoded_array.register_directly_used(*this);
1.157 parser 126:
127: /// methodless
128: // env class
1.245.2.4 paf 129: classes().put(StringPtr(new String(ENV_CLASS_NAME)),
130: ValuePtr(new VEnv(asapi_info)));
1.175 paf 131: // status class
1.179 paf 132: if(status_allowed)
1.245.2.4 paf 133: classes().put(StringPtr(new String(STATUS_CLASS_NAME)),
1.245.2.12 paf 134: ValuePtr(new VStatus(pool())));
1.157 parser 135: // request class
1.245.2.4 paf 136: classes().put(StringPtr(new String(REQUEST_CLASS_NAME)),
137: ValuePtr(new VRequest(arequest_info, charsets)));
1.157 parser 138: // cookie class
1.245.2.6 paf 139: classes().put(StringPtr(new String(COOKIE_CLASS_NAME)), cookie);
1.157 parser 140:
141: /// methoded
142: // response class
1.245.2.6 paf 143: classes().put(response->get_class()->name(), response);
1.157 parser 144:
145: /// bases used
146: // form class
1.245.2.6 paf 147: classes().put(form->get_class()->base_class()->name(), form);
1.213 paf 148: // mail class
1.245.2.6 paf 149: classes().put(mail->get_class()->base_class()->name(), mail);
1.157 parser 150: // math class
1.245.2.4 paf 151: {
152: ValuePtr math(new VMail);
153: classes().put(math->get_class()->base_class()->name(), math);
154: }
1.117 paf 155: }
1.192 paf 156:
157: Request::~Request() {
158: #ifdef XML
159: // if for some strange reason xml generic errors failed to be reported, free them up
1.245.2.5 paf 160: if(const char* xml_generic_errors=xmlGenericErrors()) {
1.192 paf 161: SAPI::log(pool(), "warning: unreported xmlGenericErrors: %s", xml_generic_errors);
162: free((void *)xml_generic_errors);
163: }
164: #endif
165: }
1.236 paf 166:
1.245.2.8 paf 167: ValuePtr Request::get_self() { return method_frame?method_frame->get_self():ValuePtr(0); }
1.192 paf 168:
1.245.2.6 paf 169: static void load_charset(HashStringValue::key_type akey, HashStringValue::value_type avalue, int) {
170: ::charsets.load_charset(akey, avalue->as_string(0));
1.208 paf 171: }
1.245.2.6 paf 172: void Request::configure_admin(VStateless_class& conf_class, StringPtr source) {
1.208 paf 173: if(configure_admin_done)
174: throw Exception("parser.runtime",
175: source,
176: "parser already configured");
177: configure_admin_done=true;
178:
1.227 paf 179: // charsets must only be specified in method_frame config
1.208 paf 180: // so that users would not interfere
181:
182: /* $MAIN:CHARSETS[
183: $.charsetname1[/full/path/to/charset/file.cfg]
184: ...
185: ]
186: */
1.245.2.6 paf 187: if(ValuePtr vcharsets=conf_class.get_element(charsets_name, conf_class, false)) {
1.240 paf 188: if(!vcharsets->is_string())
1.245.2.6 paf 189: if(HashStringValue* charsets=vcharsets->get_hash(StringPtr(0)))
190: charsets->for_each(load_charset, 0);
1.240 paf 191: else
192: throw Exception("parser.runtime",
1.245.2.6 paf 193: Exception::undefined_source,
1.240 paf 194: "$" MAIN_CLASS_NAME ":" CHARSETS_NAME " must be hash");
1.208 paf 195: }
196:
1.227 paf 197: // configure method_frame options
1.208 paf 198: // until someone with less privileges have overriden them
1.245.2.6 paf 199: methoded_array.configure_admin(*this);
1.208 paf 200: }
1.150 parser 201:
1.64 paf 202: /**
203: load MAIN class, execute @main.
204: MAIN class consists of all the auto.p files we'd manage to find
205: plus
206: the file user requested us to process
207: all located classes become children of one another,
208: composing class we name 'MAIN'
1.180 paf 209:
210: @test log stack trace
211:
1.64 paf 212: */
1.153 parser 213: void Request::core(
1.245.2.5 paf 214: const char* config_filespec, bool config_fail_on_read_problem,
1.62 paf 215: bool header_only) {
1.183 paf 216:
217: #ifdef RESOURCES_DEBUG
218: //measures
219: struct timeval mt[10];
220: //measure:before all
221: gettimeofday(&mt[0],NULL);
222: #endif
1.169 parser 223: try {
1.211 paf 224: // loading config
225: if(config_filespec) {
1.245.2.6 paf 226: StringPtr filespec(new String);
227: filespec->APPEND_CLEAN(config_filespec, 0, "config", 0);
228: use_file(*main_class,
1.233 paf 229: filespec, true/* ignore class_path */,
230: config_fail_on_read_problem, true/* file must exist if 'fail on read problem' not set */);
1.29 paf 231: }
1.8 paf 232:
1.72 paf 233: // loading auto.p files from document_root/..
234: // to the one beside requested file.
235: // all assigned bases from upper dir
236: {
1.245.2.6 paf 237: const char* after=request_info.path_translated;
238: size_t drlen=strlen(request_info.document_root);
239: if(memcmp(after, request_info.document_root, drlen)==0) {
1.115 paf 240: after+=drlen;
241: if(after[-1]=='/')
242: --after;
243: }
244:
1.152 parser 245: int step=0;
1.245.2.5 paf 246: while(const char* before=strchr(after, '/')) {
1.245.2.6 paf 247: StringPtr sfile_spec(new String);
248: if(after!=request_info.path_translated) {
249: sfile_spec->APPEND_CLEAN(
250: request_info.path_translated, before-request_info.path_translated,
1.152 parser 251: "path-translated-scanned", step++);
1.245.2.6 paf 252: *sfile_spec << "/" AUTO_FILE_NAME;
1.152 parser 253:
1.245.2.6 paf 254: use_file(*main_class,
1.233 paf 255: sfile_spec, true/* ignore class_path */,
256: true/* fail on read problem */, false/* but ignore absence, sole user */);
1.115 paf 257: }
258: after=before+1;
1.72 paf 259: }
260: }
1.34 paf 261:
1.125 paf 262: // compile requested file
1.245.2.6 paf 263: StringPtr spath_translated(new String);
264: spath_translated->APPEND_TAINTED(request_info.path_translated, 0, "user-request", 0);
265: use_file(*main_class,
1.233 paf 266: spath_translated, true/* ignore class_path */,
267: true/* fail on read problem*/, true/* fail on abscence */);
1.214 paf 268:
1.227 paf 269: // configure method_frame options if not configured yet
1.214 paf 270: if(!configure_admin_done)
1.245.2.6 paf 271: configure_admin(*main_class, StringPtr(0));
1.7 paf 272:
1.227 paf 273: // configure not-method_frame=user options
1.245.2.6 paf 274: methoded_array.configure_user(*this);
1.124 paf 275:
1.85 paf 276: // $MAIN:MIME-TYPES
1.245.2.6 paf 277: if(ValuePtr element=main_class->get_element(mime_types_name, *main_class, false))
1.85 paf 278: if(Table *table=element->get_table())
279: mime_types=table;
1.102 paf 280:
1.124 paf 281: // filling form fields
1.245.2.10 paf 282: form->fill_fields_and_tables(pool(), charsets, request_info);
1.102 paf 283:
1.124 paf 284: // filling cookies
1.245.2.6 paf 285: cookie->fill_fields(pool(), request_info);
1.213 paf 286:
287: // filling mail received
1.245.2.6 paf 288: mail->fill_received(pool(), request_info);
1.25 paf 289:
1.183 paf 290: #ifdef RESOURCES_DEBUG
291: //measure:after compile
292: gettimeofday(&mt[1],NULL);
293: #endif
1.25 paf 294: // execute @main[]
1.245.2.9 paf 295: StringPtr body_string=execute_virtual_method(main_class, main_method_name);
1.41 paf 296: if(!body_string)
1.197 paf 297: throw Exception("parser.runtime",
1.245.2.6 paf 298: Exception::undefined_source,
1.145 parser 299: "'"MAIN_METHOD_NAME"' method not found");
1.79 paf 300:
1.183 paf 301: #ifdef RESOURCES_DEBUG
302: //measure:after main
303: gettimeofday(&mt[2],NULL);
304: #endif
305:
1.245.2.6 paf 306: VStringPtr body_vstring_before_post_process(new VString(body_string));
307: VStringPtr body_vstring_after_post_process(body_vstring_before_post_process);
1.119 paf 308: // @postprocess
1.245.2.6 paf 309: if(ValuePtr value=main_class->get_element(post_process_method_name, *main_class, false))
310: if(JunctionPtr junction=value->get_junction())
1.91 paf 311: if(const Method *method=junction->method) {
312: // preparing to pass parameters to
1.119 paf 313: // @postprocess[data]
1.245.2.23! paf 314: VMethodFrame frame(pool(), method->name, *junction, 0/*no parent*/); frame.ref();
1.245.2.8 paf 315: frame.set_self(main_class);
1.91 paf 316:
1.245.2.6 paf 317: frame.store_param(body_vstring_before_post_process);
1.91 paf 318: body_vstring_after_post_process=
1.245.2.6 paf 319: VStringPtr(new VString(execute_method(frame, *method)));
1.91 paf 320: }
1.90 paf 321:
1.204 paf 322: bool lorigins_mode=origins_mode();
1.144 parser 323:
1.245.2.13 paf 324: VFilePtr body_file=body_vstring_after_post_process->as_vfile(pool(),
1.204 paf 325: String::UL_UNSPECIFIED, lorigins_mode);
1.41 paf 326:
1.45 paf 327: // extract response body
1.245.2.6 paf 328: ValuePtr body_value=response->fields().get(download_name);
1.244 paf 329: bool as_attachment=body_value!=0;
330: if(!body_value)
1.245.2.6 paf 331: body_value=response->fields().get(body_name);
1.244 paf 332:
1.216 paf 333: if(body_value) // there is some $response:body
1.245.2.6 paf 334: body_file=body_value->as_vfile(pool());
1.204 paf 335: else if(lorigins_mode)
1.245.2.6 paf 336: response->fields().put(content_type_name,
337: ValuePtr(new VString(StringPtr(new String(ORIGINS_CONTENT_TYPE)))));
1.45 paf 338:
1.183 paf 339: #ifdef RESOURCES_DEBUG
340: //measure:after postprocess
341: gettimeofday(&mt[3],NULL);
342: #endif
343:
1.45 paf 344: // OK. write out the result
1.245.2.7 paf 345: output_result(body_file, header_only, as_attachment);
1.183 paf 346:
347: #ifdef RESOURCES_DEBUG
348: //measure:after output_result
349: gettimeofday(&mt[9],NULL);
350: t[9]=mt[9].tv_sec+mt[9].tv_usec/1000000.0;
351:
352: double t[10];
353: for(int i=0;i<10;i++)
354: t[i]=mt[i].tv_sec+mt[i].tv_usec/1000000.0;
355: //measure:log2 compile,main,postprocess,output
356: SAPI::log(pool(), "rmeasure: %s,%.2f,%.2f,%.2f %.2f,%.2f %.2f",
1.245.2.6 paf 357: request_info.uri,
1.183 paf 358: t[1]-t[0],
359: t[2]-t[1],
360: t[3]-t[2],
361: sql_connect_time,sql_request_time,
362: t[9]-t[3]
363: );
364: #endif
1.171 parser 365: } catch(const Exception& e) { // request handling problem
1.76 paf 366: // we're returning not result, but error explanation
1.169 parser 367: try {
1.76 paf 368: // log the beast
1.245.2.6 paf 369: if(StringPtr problem_source=e.problem_source())
370: SAPI::log(sapi_info,
1.199 paf 371: "%s: "
1.76 paf 372: #ifndef NO_STRING_ORIGIN
1.180 paf 373: ORIGIN_FILE_LINE_FORMAT": "
1.76 paf 374: #endif
1.197 paf 375: "'%s' %s [%s]",
1.245.2.6 paf 376: request_info.uri,
1.76 paf 377: #ifndef NO_STRING_ORIGIN
378: problem_source->origin().file?problem_source->origin().file:"global",
379: problem_source->origin().line,
380: #endif
1.245.2.14 paf 381: problem_source->cstr().get(),
1.76 paf 382: e.comment(),
1.206 paf 383: e.type()
1.76 paf 384: );
385: else
1.245.2.6 paf 386: SAPI::log(sapi_info,
1.199 paf 387: "%s: "
1.197 paf 388: "%s [%s]",
1.245.2.6 paf 389: request_info.uri,
1.206 paf 390: e.comment(), e.type()
1.180 paf 391: );
1.171 parser 392:
1.43 paf 393: // reset language to default
394: flang=fdefault_lang;
395:
396: // reset response
1.245.2.6 paf 397: response->fields().clear();
1.43 paf 398:
399: // this is what we'd return in $response:body
1.245.2.6 paf 400: StringPtr body_string(0);
1.43 paf 401:
1.233 paf 402: // maybe we'd be lucky enough as to report an error
403: // in a gracefull way...
1.245.2.6 paf 404: if(ValuePtr value=main_class->get_element(
405: StringPtr(new String(UNHANDLED_EXCEPTION_METHOD_NAME)),
406: *main_class,
1.233 paf 407: false)) {
1.245.2.6 paf 408: if(JunctionPtr junction=value->get_junction()) {
1.233 paf 409: if(const Method *method=junction->method) {
410: // preparing to pass parameters to
411: // @unhandled_exception[exception;stack]
1.245.2.23! paf 412: VMethodFrame frame(pool(), method->name, *junction, 0/*no caller*/); frame.ref();
1.245.2.8 paf 413: frame.set_self(main_class);
1.233 paf 414:
415: // $exception
1.245.2.16 paf 416: frame.store_param(exception2vhash(pool(), e));
1.233 paf 417: // $stack[^table::set{name origin}]
1.245.2.6 paf 418: Table::columns_type stack_trace_columns;
419: *stack_trace_columns+=StringPtr(new String("name"));
420: *stack_trace_columns+=StringPtr(new String("file"));
421: *stack_trace_columns+=StringPtr(new String("lineno"));
422: TablePtr stack_trace(new Table(Exception::undefined_source, stack_trace_columns));
423: Array_iterator<StringPtr> tracei(exception_trace);
1.233 paf 424: while(tracei.has_next()) {
1.245.2.6 paf 425: Table::element_type row;
1.171 parser 426:
1.245.2.6 paf 427: StringPtr name=tracei.next();
428: *row+=name; // name column
1.171 parser 429: #ifndef NO_STRING_ORIGIN
1.245.2.6 paf 430: const String_fragment::Origin& origin=name->origin();
1.233 paf 431: if(origin.file) {
1.245.2.6 paf 432: *row+=StringPtr(new String(origin.file, 0, true)); // file column
1.233 paf 433: char *buf=(char *)malloc(MAX_NUMBER);
434: size_t buf_size=snprintf(buf, MAX_NUMBER, "%d", 1+origin.line);
1.245.2.6 paf 435: *row+=StringPtr(new String(buf, buf_size, true)); // line column
1.233 paf 436: }
1.171 parser 437: #endif
1.245.2.6 paf 438: *stack_trace+=row;
1.233 paf 439: }
1.245.2.6 paf 440: frame.store_param(ValuePtr(new VTable(stack_trace)));
1.171 parser 441:
1.233 paf 442: // future $response:body=
443: // execute ^unhandled_exception[exception;stack]
1.245.2.6 paf 444: body_string=execute_method(frame, *method);
1.233 paf 445: }
446: }
1.30 paf 447: }
448:
1.41 paf 449: if(!body_string) { // couldn't report an error beautifully?
450: // doing that ugly
451:
452: // make up result: $origin $source $comment $type $code
453: char *buf=(char *)malloc(MAX_STRING);
1.30 paf 454: size_t printed=0;
1.245.2.6 paf 455: if(StringPtr problem_source=e.problem_source()) {
1.16 paf 456: #ifndef NO_STRING_ORIGIN
1.245.2.6 paf 457: const String_fragment::Origin& origin=problem_source->origin();
1.30 paf 458: if(origin.file)
1.180 paf 459: printed+=snprintf(buf+printed, MAX_STRING-printed,
460: ORIGIN_FILE_LINE_FORMAT": ",
461: origin.file, 1+origin.line
462: );
1.28 paf 463: #endif
1.41 paf 464: printed+=snprintf(buf+printed, MAX_STRING-printed, "'%s' ",
1.245.2.14 paf 465: problem_source->cstr().get());
1.30 paf 466: }
1.245.2.5 paf 467: if(const char* comment=e.comment(true))
1.206 paf 468: printed+=snprintf(buf+printed, MAX_STRING-printed, "%s", comment);
1.245.2.5 paf 469: if(const char* type=e.type(true))
1.197 paf 470: printed+=snprintf(buf+printed, MAX_STRING-printed, " type: %s", type);
1.43 paf 471:
472: // future $response:content-type
1.245.2.6 paf 473: response->fields().put(content_type_name,
474: ValuePtr(new VString(StringPtr(new String(UNHANDLED_EXCEPTION_CONTENT_TYPE)))));
1.43 paf 475: // future $response:body
1.245.2.6 paf 476: body_string=StringPtr(new String(buf));
1.30 paf 477: }
1.41 paf 478:
1.245.2.6 paf 479: VString body_vstring(body_string);
1.245.2.13 paf 480: VFilePtr body_file=body_vstring.as_vfile(pool());
1.90 paf 481:
1.45 paf 482: // ERROR. write it out
1.245.2.7 paf 483: output_result(body_file, header_only, false);
1.170 parser 484: } catch(const Exception& ) {
1.245.2.6 paf 485: rethrow;
1.3 paf 486: }
1.1 paf 487: }
488: }
489:
1.245.2.3 paf 490: VStateless_classPtr Request::use_file(VStateless_class& aclass,
1.245.2.4 paf 491: StringPtr file_name, bool ignore_class_path,
1.233 paf 492: bool fail_on_read_problem, bool fail_on_file_absence) {
1.73 paf 493: // cyclic dependence check
1.148 parser 494: if(used_files.get(file_name))
1.245.2.14 paf 495: return VStateless_classPtr(0);
1.245.2.2 paf 496: used_files.put(file_name, true);
1.73 paf 497:
1.245.2.6 paf 498: StringPtr file_spec;
1.153 parser 499: if(ignore_class_path) // ignore_class_path?
1.245.2.6 paf 500: file_spec=file_name;
501: else if(file_name->first_char()=='/') //absolute path, no need to scan MAIN:CLASS_PATH?
502: file_spec=absolute(file_name);
1.153 parser 503: else {
1.245.2.6 paf 504: file_spec=StringPtr(0);
505: if(ValuePtr element=main_class->get_element(class_path_name, *main_class, false)) {
1.233 paf 506: if(element->is_string()) {
1.245.2.19 paf 507: file_spec=file_readable(*absolute(element->as_string(&pool())), *file_name); // found at class_path?
1.233 paf 508: } else if(Table *table=element->get_table()) {
1.245.2.6 paf 509: int size=table->count();
1.233 paf 510: for(int i=size; i--; ) {
1.245.2.6 paf 511: StringPtr path=(*table->get(i))[0];
1.245.2.19 paf 512: if(file_spec=file_readable(*absolute(path), *file_name))
1.233 paf 513: break; // found along class_path
514: }
515: } else
516: throw Exception("parser.runtime",
1.245.2.6 paf 517: Exception::undefined_source,
1.233 paf 518: "$" CLASS_PATH_NAME " must be string or table");
519: if(!file_spec)
520: throw Exception("parser.runtime",
1.245.2.6 paf 521: file_name,
1.233 paf 522: "not found along " MAIN_CLASS_NAME ":" CLASS_PATH_NAME);
523: }
1.153 parser 524: if(!file_spec)
1.197 paf 525: throw Exception("parser.runtime",
1.245.2.6 paf 526: file_name,
1.203 paf 527: "usage failed - no $" MAIN_CLASS_NAME ":" CLASS_PATH_NAME " were specified");
1.148 parser 528: }
1.230 paf 529:
530: if(fail_on_read_problem && !fail_on_file_absence) // ignore file absence if asked for
1.245.2.6 paf 531: if(!entry_exists(file_spec))
1.245.2.14 paf 532: return VStateless_classPtr(0);
1.73 paf 533:
1.245.2.6 paf 534: if(const char *source=file_read_text(pool(), charsets.source(), file_spec, fail_on_read_problem))
535: return use_buf(aclass, source, file_spec, file_spec->cstr(pool()));
536: else
1.245.2.14 paf 537: return VStateless_classPtr(0);
1.16 paf 538: }
539:
1.208 paf 540:
1.245.2.3 paf 541: VStateless_classPtr Request::use_buf(VStateless_class& aclass,
1.245.2.5 paf 542: const char* source,
1.245.2.6 paf 543: StringPtr filespec, const char* filespec_cstr) {
1.233 paf 544: // temporary zero @conf so to maybe-replace it in compiled code
1.245.2.6 paf 545: Temp_method temp_method_conf(aclass, conf_method_name, MethodPtr(0));
1.233 paf 546: // temporary zero @auto so to maybe-replace it in compiled code
1.245.2.6 paf 547: Temp_method temp_method_auto(aclass, auto_method_name, MethodPtr(0));
1.233 paf 548:
1.5 paf 549: // compile loaded class
1.245.2.6 paf 550: VStateless_class& cclass=COMPILE(&aclass, source, filespec_cstr);
1.212 paf 551:
1.233 paf 552: // locate and execute possible @conf[] static
1.245.2.6 paf 553: VStringPtr vfilespec(new VString(filespec));
1.209 paf 554: const Method *method_called;
1.212 paf 555: execute_nonvirtual_method(cclass,
1.245.2.6 paf 556: conf_method_name, vfilespec,
557: false/*no result needed*/, &method_called);
1.233 paf 558: if(method_called)
1.245.2.6 paf 559: configure_admin(cclass, method_called->name);
1.208 paf 560:
561: // locate and execute possible @auto[] static
1.233 paf 562: execute_nonvirtual_method(cclass,
1.245.2.6 paf 563: auto_method_name, vfilespec,
1.245.2.21 paf 564: false/*no result needed*/);
1.245.2.14 paf 565: return VStateless_classPtr(&cclass);
1.19 paf 566: }
567:
1.245.2.6 paf 568: StringPtr Request::relative(const char* apath, StringPtr relative_name) {
569: char *hpath=pool().copy(apath);
570: StringPtr result(new String);
1.217 paf 571: if(rsplit(hpath, '/')) // if something/splitted
1.245.2.6 paf 572: *result << hpath << "/";
573: *result << relative_name;
1.19 paf 574: return result;
575: }
576:
1.245.2.6 paf 577: StringPtr Request::absolute(StringPtr relative_name) {
578: if(relative_name->first_char()=='/') {
579: StringPtr result=StringPtr(new String(request_info.document_root));
580: *result << relative_name;
1.19 paf 581: return result;
582: } else
1.245.2.6 paf 583: return relative_name->pos("://")<0? relative(request_info.path_translated, relative_name)
1.239 paf 584: :relative_name; // something like "http://xxx"
1.1 paf 585: }
1.45 paf 586:
1.245.2.7 paf 587: static void add_header_attribute(
588: HashStringValue::key_type aattribute,
589: HashStringValue::value_type ameaning,
590: Request *r) {
591: if(*aattribute==BODY_NAME
592: || *aattribute==DOWNLOAD_NAME
593: || *aattribute==CHARSET_NAME)
1.101 paf 594: return;
595:
1.245.2.7 paf 596: SAPI::add_header_attribute(r->sapi_info,
597: aattribute->cstr(),
598: attributed_meaning_to_string(r->pool(), ameaning, String::UL_HTTP_HEADER, false)->
599: cstr(String::UL_UNSPECIFIED));
1.101 paf 600: }
1.245.2.7 paf 601: void Request::output_result(VFilePtr body_file, bool header_only, bool as_attachment) {
1.51 paf 602: // header: cookies
1.245.2.10 paf 603: cookie->output_result(pool(), sapi_info);
1.51 paf 604:
1.245.2.6 paf 605: ValuePtr body_file_content_type;
1.90 paf 606: // set content-type
1.245.2.7 paf 607: if(body_file_content_type=body_file->fields().get(content_type_name)) {
1.90 paf 608: // body file content type
1.245.2.7 paf 609: response->fields().put(content_type_name, body_file_content_type);
1.90 paf 610: } else {
611: // default content type
1.245.2.7 paf 612: response->fields().put_dont_replace(content_type_name,
613: ValuePtr(new VString(StringPtr(new String(DEFAULT_CONTENT_TYPE)))));
1.92 paf 614: }
615:
616: // content-disposition
1.245.2.7 paf 617: if(ValuePtr vfile_name=body_file->fields().get(name_name))
1.245.2.14 paf 618: if(*vfile_name->get_string(&fpool)!=NONAME_DAT) {
1.245.2.7 paf 619: VHashPtr hash(new VHash);
620: HashStringValue &h=hash->hash(Exception::undefined_source);
1.244 paf 621: if(as_attachment)
1.245.2.7 paf 622: h.put(value_name, ValuePtr(new VString(content_disposition_value)));
623: h.put(content_disposition_filename_name, vfile_name);
624: response->fields().put(content_disposition_name, hash);
1.111 paf 625: }
1.49 paf 626:
1.62 paf 627: // prepare header: $response:fields without :body
1.245.2.6 paf 628: response->fields().for_each(add_header_attribute, this);
1.50 paf 629:
1.184 paf 630: const void *client_body;
631: size_t client_content_length;
1.220 paf 632: // transcode text body when "text/*" or simple result
1.223 paf 633: if(body_file_content_type)
1.245.2.7 paf 634: if(HashStringValue *hash=body_file_content_type->get_hash(Exception::undefined_source))
635: body_file_content_type=hash->get(value_name);
636: if(!body_file_content_type/*vstring.as_vfile*/ || body_file_content_type->as_string(&pool())->pos("text/")==0) {
1.220 paf 637: Charset::transcode(pool(),
1.245.2.7 paf 638: charsets.source(), body_file->value_ptr(), body_file->value_size(),
639: charsets.client(), client_body, client_content_length
1.220 paf 640: );
641: } else {
1.245.2.7 paf 642: client_body=body_file->value_ptr();
643: client_content_length=body_file->value_size();
1.220 paf 644: }
1.50 paf 645:
1.62 paf 646: // prepare header: content-length
1.200 paf 647: char content_length_cstr[MAX_NUMBER];
648: snprintf(content_length_cstr, MAX_NUMBER, "%u", client_content_length);
1.245.2.7 paf 649: SAPI::add_header_attribute(sapi_info, "content-length", content_length_cstr);
1.62 paf 650:
651: // send header
1.245.2.7 paf 652: SAPI::send_header(sapi_info);
1.71 paf 653:
1.62 paf 654: // send body
655: if(!header_only)
1.245.2.7 paf 656: SAPI::send_body(sapi_info, client_body, client_content_length);
1.50 paf 657: }
1.104 paf 658:
1.245.2.7 paf 659: StringPtr Request::mime_type_of(const char* user_file_name_cstr) {
1.104 paf 660: if(mime_types)
1.245.2.5 paf 661: if(const char* cext=strrchr(user_file_name_cstr, '.')) {
1.245.2.7 paf 662: String sext(++cext);
663: if(mime_types->locate(0, sext.change_case(pool(), charsets.source(), String::CC_LOWER)))
664: if(StringPtr result=mime_types->item(1))
665: return result;
1.104 paf 666: else
1.197 paf 667: throw Exception("parser.runtime",
1.104 paf 668: mime_types->origin_string(),
1.212 paf 669: MIME_TYPES_NAME " table column elements must not be empty");
1.104 paf 670: }
1.245.2.7 paf 671:
672: return StringPtr(new String("application/octet-stream"));
1.233 paf 673: }
674:
675: bool Request::origins_mode() {
1.245.2.7 paf 676: return main_class->get_element(origins_mode_name, *main_class, false)!=0; // $ORIGINS mode
1.133 parser 677: }
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