Annotation of parser3/src/main/pa_request.C, revision 1.267
1.54 paf 1: /** @file
1.55 paf 2: Parser: request class main part. @see compile.C and execute.C.
3:
1.265 paf 4: Copyright (c) 2001-2004 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:
1.267 ! paf 8: static const char * const IDENT_REQUEST_C="$Date: 2004/02/26 14:37:30 $";
1.1 paf 9:
1.69 paf 10: #include "pa_sapi.h"
1.53 paf 11: #include "pa_common.h"
1.1 paf 12: #include "pa_request.h"
1.3 paf 13: #include "pa_wwrapper.h"
14: #include "pa_vclass.h"
1.31 paf 15: #include "pa_globals.h"
1.30 paf 16: #include "pa_vint.h"
1.112 paf 17: #include "pa_vmethod_frame.h"
1.32 paf 18: #include "pa_types.h"
1.248 paf 19: #include "pa_venv.h"
20: #include "pa_vmath.h"
21: #include "pa_vstatus.h"
22: #include "pa_vrequest.h"
1.78 paf 23: #include "pa_vtable.h"
1.90 paf 24: #include "pa_vfile.h"
1.147 parser 25: #include "pa_dictionary.h"
1.208 paf 26: #include "pa_charset.h"
1.186 paf 27: #include "pa_charsets.h"
1.248 paf 28: #include "pa_cache_managers.h"
29: #include "pa_vmail.h"
30: #include "pa_vform.h"
31: #include "pa_vcookie.h"
32: #include "pa_vresponse.h"
33: #include "pa_vmemory.h"
1.253 paf 34: #include "pa_vconsole.h"
1.267 ! paf 35: #include "pa_vdate.h"
1.159 parser 36:
1.248 paf 37: // consts
38:
39: const char* UNHANDLED_EXCEPTION_METHOD_NAME="unhandled_exception";
1.207 paf 40:
1.82 paf 41: /// content type of exception response, when no @MAIN:exception handler defined
1.248 paf 42: const char* UNHANDLED_EXCEPTION_CONTENT_TYPE="text/plain";
1.82 paf 43:
44: /// content type of response when no $MAIN:defaults.content-type defined
1.248 paf 45: const char* DEFAULT_CONTENT_TYPE="text/html";
46: const char* ORIGINS_CONTENT_TYPE="text/plain";
47:
48: // defines for globals
49:
50: #define MAIN_METHOD_NAME "main"
51: #define AUTO_METHOD_NAME "auto"
52: #define BODY_NAME "body"
53: #define EXCEPTION_TYPE_PART_NAME "type"
54: #define EXCEPTION_SOURCE_PART_NAME "source"
55: #define EXCEPTION_COMMENT_PART_NAME "comment"
1.267 ! paf 56: #define RESPONSE_BODY_FILE_NAME "file"
1.248 paf 57:
58: // globals
59:
60: const String main_method_name(MAIN_METHOD_NAME);
61: const String auto_method_name(AUTO_METHOD_NAME);
62: const String content_disposition_name(CONTENT_DISPOSITION_NAME);
63: const String content_disposition_value(CONTENT_DISPOSITION_VALUE);
64: const String content_disposition_filename_name(CONTENT_DISPOSITION_FILENAME_NAME);
65: const String body_name(BODY_NAME);
66: const String exception_type_part_name(EXCEPTION_TYPE_PART_NAME);
67: const String exception_source_part_name(EXCEPTION_SOURCE_PART_NAME);
68: const String exception_comment_part_name(EXCEPTION_COMMENT_PART_NAME);
69: const String exception_handled_part_name(EXCEPTION_HANDLED_PART_NAME);
1.267 ! paf 70: const String response_body_file_name(RESPONSE_BODY_FILE_NAME);
1.248 paf 71:
72: // defines for statics
73:
74: #define CHARSETS_NAME "CHARSETS"
75: #define MIME_TYPES_NAME "MIME-TYPES"
76: #define ORIGINS_MODE_NAME "ORIGINS"
77: #define CONF_METHOD_NAME "conf"
78: #define POST_PROCESS_METHOD_NAME "postprocess"
79: #define DOWNLOAD_NAME "download"
80: #define CLASS_PATH_NAME "CLASS_PATH"
81:
82: // statics
83:
84: static const String charsets_name(CHARSETS_NAME);
85: static const String main_class_name(MAIN_CLASS_NAME);
86: static const String mime_types_name(MIME_TYPES_NAME);
87: static const String origins_mode_name(ORIGINS_MODE_NAME);
88: static const String conf_method_name(CONF_METHOD_NAME);
89: static const String post_process_method_name(POST_PROCESS_METHOD_NAME);
90: static const String download_name(DOWNLOAD_NAME);
91: static const String class_path_name(CLASS_PATH_NAME);
92:
93: // defines
1.82 paf 94:
1.233 paf 95: // op.C
1.248 paf 96: VStateless_class& VClassMAIN_create();
1.123 paf 97:
1.157 parser 98: //
1.248 paf 99: Request::Request(SAPI_Info& asapi_info, Request_info& arequest_info,
1.252 paf 100: String::Language adefault_lang, bool status_allowed):
1.248 paf 101: // private
102: anti_endless_execute_recoursion(0),
103:
104: // public
105: method_frame(0),
106: rcontext(0),
107: wcontext(0),
108: flang(adefault_lang),
1.191 paf 109: fconnection(0),
1.248 paf 110: finterrupted(false),
111:
112: // public
1.183 paf 113: #ifdef RESOURCES_DEBUG
1.248 paf 114: sql_connect_time(0),
115: sql_request_time(0),
116: #endif
117:
118: // public
1.257 paf 119: request_info(arequest_info),
1.248 paf 120: sapi_info(asapi_info),
121: charsets(UTF8_charset, UTF8_charset, UTF8_charset), // default charsets
122:
123: main_class(VClassMAIN_create()),
1.260 paf 124: form(*new VForm(charsets, arequest_info)),
1.248 paf 125: mail(*new VMail),
126: response(*new VResponse(arequest_info, charsets)),
127: cookie(*new VCookie),
128:
129: // private
130: configure_admin_done(false),
131:
132: // private defaults
133: fdefault_lang(adefault_lang),
134: // private mime types
135: mime_types(0)
1.157 parser 136: {
1.261 paf 137: pa_register_thread_request(*this);
138:
1.248 paf 139: // file_no=0 => unknown
1.263 paf 140: file_list+=String::Body("UNKNOWN");
141: file_list+=String::Body("-body of process-"); // pseudo_file_no__process
1.186 paf 142:
1.178 paf 143: // maybe expire old caches
1.264 paf 144: cache_managers->maybe_expire();
1.178 paf 145:
1.157 parser 146: /// directly used
1.233 paf 147: // MAIN class, operators
1.235 paf 148: classes().put(main_class.name(), &main_class);
1.157 parser 149: // classes:
150: // table, file, random, mail, image, ...
1.248 paf 151: methoded_array().register_directly_used(*this);
1.157 parser 152:
153: /// methodless
154: // env class
1.249 paf 155: classes().put(String::Body(ENV_CLASS_NAME), new VEnv(asapi_info));
1.175 paf 156: // status class
1.179 paf 157: if(status_allowed)
1.249 paf 158: classes().put(String::Body(STATUS_CLASS_NAME), new VStatus());
1.157 parser 159: // request class
1.249 paf 160: classes().put(String::Body(REQUEST_CLASS_NAME), new VRequest(arequest_info, charsets));
1.157 parser 161: // cookie class
1.249 paf 162: classes().put(String::Body(COOKIE_CLASS_NAME), &cookie);
1.253 paf 163: // console class
164: classes().put(String::Body(CONSOLE_CLASS_NAME), new VConsole());
1.157 parser 165:
166: /// methoded
167: // response class
1.248 paf 168: classes().put(response.get_class()->name(), &response);
1.157 parser 169:
170: /// bases used
171: // form class
1.248 paf 172: classes().put(form.get_class()->base_class()->name(), &form);
1.213 paf 173: // mail class
1.248 paf 174: classes().put(mail.get_class()->base_class()->name(), &mail);
1.157 parser 175: // math class
1.248 paf 176: {
177: Value& math=*new VMath;
178: classes().put(math.get_class()->base_class()->name(), &math);
179: }
180: // memory class
181: {
182: Value& memory=*new VMemory;
183: classes().put(memory.get_class()->base_class()->name(), &memory);
184: }
1.117 paf 185: }
1.192 paf 186:
187: Request::~Request() {
188: #ifdef XML
189: // if for some strange reason xml generic errors failed to be reported, free them up
1.248 paf 190: if(const char* xml_generic_errors=xmlGenericErrors()) {
191: SAPI::log(sapi_info, "warning: unreported xmlGenericErrors: %s", xml_generic_errors);
1.192 paf 192: free((void *)xml_generic_errors);
193: }
194: #endif
195: }
1.236 paf 196:
1.248 paf 197: Value& Request::get_self() { return method_frame/*always have!*/->self(); }
1.192 paf 198:
1.248 paf 199: static void load_charset(HashStringValue::key_type akey,
200: HashStringValue::value_type avalue,
201: Request_charsets* charsets) {
1.249 paf 202: const String::Body NAME=String(akey, String::L_CLEAN).change_case(charsets->source(), String::CC_UPPER);
1.248 paf 203: ::charsets.load_charset(*charsets, NAME, avalue->as_string());
1.208 paf 204: }
1.248 paf 205: void Request::configure_admin(VStateless_class& conf_class) {
1.208 paf 206: if(configure_admin_done)
207: throw Exception("parser.runtime",
1.248 paf 208: 0,
1.208 paf 209: "parser already configured");
210: configure_admin_done=true;
211:
1.227 paf 212: // charsets must only be specified in method_frame config
1.208 paf 213: // so that users would not interfere
214:
215: /* $MAIN:CHARSETS[
216: $.charsetname1[/full/path/to/charset/file.cfg]
217: ...
218: ]
219: */
1.248 paf 220: if(Value* vcharsets=conf_class.get_element(charsets_name, conf_class, false)) {
1.240 paf 221: if(!vcharsets->is_string())
1.248 paf 222: if(HashStringValue* charsets=vcharsets->get_hash())
223: charsets->for_each(load_charset, &this->charsets);
1.240 paf 224: else
225: throw Exception("parser.runtime",
226: 0,
227: "$" MAIN_CLASS_NAME ":" CHARSETS_NAME " must be hash");
1.208 paf 228: }
229:
1.227 paf 230: // configure method_frame options
1.208 paf 231: // until someone with less privileges have overriden them
1.248 paf 232: methoded_array().configure_admin(*this);
1.208 paf 233: }
1.150 parser 234:
1.64 paf 235: /**
236: load MAIN class, execute @main.
237: MAIN class consists of all the auto.p files we'd manage to find
238: plus
239: the file user requested us to process
240: all located classes become children of one another,
241: composing class we name 'MAIN'
1.180 paf 242:
243: @test log stack trace
244:
1.64 paf 245: */
1.248 paf 246: void Request::core(const char* config_filespec, bool config_fail_on_read_problem, bool header_only) {
1.183 paf 247:
248: #ifdef RESOURCES_DEBUG
249: //measures
250: struct timeval mt[10];
251: //measure:before all
252: gettimeofday(&mt[0],NULL);
253: #endif
1.169 parser 254: try {
1.211 paf 255: // loading config
256: if(config_filespec) {
1.248 paf 257: const String& filespec=*new String(config_filespec);
1.233 paf 258: use_file(main_class,
1.248 paf 259: filespec, 0 /*main_alias*/,
260: true /*ignore class_path*/,
261: config_fail_on_read_problem,
262: true /*file must exist if 'fail on read problem' not set*/);
1.29 paf 263: }
1.8 paf 264:
1.72 paf 265: // loading auto.p files from document_root/..
266: // to the one beside requested file.
267: // all assigned bases from upper dir
268: {
1.248 paf 269: const char* after=request_info.path_translated;
270: size_t drlen=strlen(request_info.document_root);
271: if(memcmp(after, request_info.document_root, drlen)==0) {
1.115 paf 272: after+=drlen;
273: if(after[-1]=='/')
274: --after;
275: }
276:
1.248 paf 277: while(const char* before=strchr(after, '/')) {
278: String& sfile_spec=*new String;
279: if(after!=request_info.path_translated) {
280: sfile_spec.append_strdup(
281: request_info.path_translated, before-request_info.path_translated,
282: String::L_CLEAN);
1.152 parser 283: sfile_spec << "/" AUTO_FILE_NAME;
284:
1.233 paf 285: use_file(main_class,
1.248 paf 286: sfile_spec,
287: 0 /*main_alias*/,
288: true /*ignore class_path*/,
289: true /*fail on read problem*/,
290: false /*but ignore absence, sole user*/);
1.115 paf 291: }
292: after=before+1;
1.72 paf 293: }
294: }
1.34 paf 295:
1.125 paf 296: // compile requested file
1.248 paf 297: String& spath_translated=*new String;
298: spath_translated.append_help_length(request_info.path_translated, 0, String::L_TAINTED);
1.233 paf 299: use_file(main_class,
1.248 paf 300: spath_translated,
301: 0 /*main_alias*/,
302: true /*ignore class_path*/);
1.214 paf 303:
1.227 paf 304: // configure method_frame options if not configured yet
1.214 paf 305: if(!configure_admin_done)
1.248 paf 306: configure_admin(main_class);
1.7 paf 307:
1.227 paf 308: // configure not-method_frame=user options
1.248 paf 309: methoded_array().configure_user(*this);
1.124 paf 310:
1.85 paf 311: // $MAIN:MIME-TYPES
1.248 paf 312: if(Value* element=main_class.get_element(mime_types_name, main_class, false))
1.85 paf 313: if(Table *table=element->get_table())
314: mime_types=table;
1.102 paf 315:
1.124 paf 316: // filling cookies
1.248 paf 317: cookie.fill_fields(request_info);
1.213 paf 318:
319: // filling mail received
320: mail.fill_received(*this);
1.25 paf 321:
1.183 paf 322: #ifdef RESOURCES_DEBUG
323: //measure:after compile
324: gettimeofday(&mt[1],NULL);
325: #endif
1.25 paf 326: // execute @main[]
1.248 paf 327: const String* body_string=execute_virtual_method(main_class, main_method_name);
1.41 paf 328: if(!body_string)
1.197 paf 329: throw Exception("parser.runtime",
1.248 paf 330: 0,
1.145 parser 331: "'"MAIN_METHOD_NAME"' method not found");
1.79 paf 332:
1.183 paf 333: #ifdef RESOURCES_DEBUG
334: //measure:after main
335: gettimeofday(&mt[2],NULL);
336: #endif
337:
1.250 paf 338: // extract response body
339: Value* body_value=response.fields().get(download_name); // $response:download?
340: bool as_attachment=body_value!=0;
341: if(!body_value)
342: body_value=response.fields().get(body_name); // $response:body
343: if(!body_value)
344: body_value=new VString(*body_string); // just result of ^main[]
345:
1.119 paf 346: // @postprocess
1.248 paf 347: if(Value* value=main_class.get_element(post_process_method_name, main_class, false))
348: if(Junction* junction=value->get_junction())
1.91 paf 349: if(const Method *method=junction->method) {
350: // preparing to pass parameters to
1.119 paf 351: // @postprocess[data]
1.248 paf 352: VMethodFrame frame(/*method->name, */ *junction, 0/*no parent*/);
1.233 paf 353: frame.set_self(main_class);
1.91 paf 354:
1.250 paf 355: frame.store_param(*body_value);
356: body_value=&execute_method(frame, *method).as_value();
1.91 paf 357: }
1.90 paf 358:
1.250 paf 359: VFile* body_file=body_value->as_vfile(
1.248 paf 360: String::L_UNSPECIFIED, &charsets);
1.41 paf 361:
1.183 paf 362: #ifdef RESOURCES_DEBUG
363: //measure:after postprocess
364: gettimeofday(&mt[3],NULL);
365: #endif
366:
1.45 paf 367: // OK. write out the result
1.248 paf 368: output_result(body_file, header_only, as_attachment);
1.183 paf 369:
370: #ifdef RESOURCES_DEBUG
371: //measure:after output_result
372: gettimeofday(&mt[9],NULL);
373: t[9]=mt[9].tv_sec+mt[9].tv_usec/1000000.0;
374:
375: double t[10];
376: for(int i=0;i<10;i++)
377: t[i]=mt[i].tv_sec+mt[i].tv_usec/1000000.0;
378: //measure:log2 compile,main,postprocess,output
1.248 paf 379: SAPI::log("rmeasure: %s,%.2f,%.2f,%.2f %.2f,%.2f %.2f",
380: request_info.uri,
1.183 paf 381: t[1]-t[0],
382: t[2]-t[1],
383: t[3]-t[2],
384: sql_connect_time,sql_request_time,
385: t[9]-t[3]
386: );
387: #endif
1.171 parser 388: } catch(const Exception& e) { // request handling problem
1.76 paf 389: // we're returning not result, but error explanation
1.248 paf 390: #define PA_URI_FORMAT "%s: "
391: #define PA_ORIGIN_FILE_POS_FORMAT "%s(%d:%d): "
392: #define PA_SOURCE_FORMAT "'%s' "
393: #define PA_COMMENT_TYPE_FORMAT "%s [%s]"
1.258 paf 394: // log the beast
395: Request::Exception_details details=get_details(e);
1.248 paf 396:
1.258 paf 397: if(details.problem_source) { // do we know the guy?
398: if(details.trace) { // do whe know where he came from?
399: Operation::Origin origin=details.trace.origin();
400: SAPI::log(sapi_info,
401: PA_URI_FORMAT
402: PA_ORIGIN_FILE_POS_FORMAT
403: PA_SOURCE_FORMAT PA_COMMENT_TYPE_FORMAT,
404: request_info.uri,
405: file_list[origin.file_no].cstr(), 1+origin.line, 1+origin.col,
406: details.problem_source->cstr(),
407: e.comment(), e.type()
408: );
1.248 paf 409: } else
410: SAPI::log(sapi_info,
411: PA_URI_FORMAT
1.258 paf 412: PA_SOURCE_FORMAT PA_COMMENT_TYPE_FORMAT,
1.248 paf 413: request_info.uri,
1.258 paf 414: details.problem_source->cstr(),
1.206 paf 415: e.comment(), e.type()
1.180 paf 416: );
1.258 paf 417: } else
418: SAPI::log(sapi_info,
419: PA_URI_FORMAT
420: PA_COMMENT_TYPE_FORMAT,
421: request_info.uri,
422: e.comment(), e.type()
423: );
424:
425: // reset language to default
426: flang=fdefault_lang;
427:
428: // reset response
429: response.fields().clear();
430:
431: // this is what we'd return in $response:body
432: const String* body_string=0;
433:
434: // maybe we'd be lucky enough as to report an error
435: // in a gracefull way...
436: if(Value* value=main_class.get_element(
437: *new String(UNHANDLED_EXCEPTION_METHOD_NAME),
438: main_class,
439: false)) {
440: if(Junction* junction=value->get_junction()) {
441: if(const Method *method=junction->method) {
1.248 paf 442: // preparing to pass parameters to
443: // @unhandled_exception[exception;stack]
444: VMethodFrame frame(/*method->name, */ *junction, 0/*no caller*/);
445: frame.set_self(main_class);
446:
447: // $exception
448: frame.store_param(details.vhash);
449: // $stack[^table::set{name origin}]
450: Table::columns_type stack_trace_columns(new ArrayString);
451: *stack_trace_columns+=new String("name");
452: *stack_trace_columns+=new String("file");
453: *stack_trace_columns+=new String("lineno");
454: *stack_trace_columns+=new String("colno");
455: Table& stack_trace=*new Table(stack_trace_columns);
456: if(!exception_trace.is_empty()/*signed!*/)
1.258 paf 457: for(size_t i=exception_trace.bottom_index(); i<exception_trace.top_index(); i++) {
458: Trace trace=exception_trace.get(i);
459: Table::element_type row(new ArrayString);
460:
461: *row+=trace.name(); // name column
462: Operation::Origin origin=trace.origin();
463: if(origin.file_no) {
464: *row+=new String(file_list[origin.file_no], String::L_TAINTED); // 'file' column
465: *row+=new String(String::Body::Format(1+origin.line), String::L_CLEAN); // 'lineno' column
466: *row+=new String(String::Body::Format(1+origin.col), String::L_CLEAN); // 'colno' column
1.248 paf 467: }
1.258 paf 468: stack_trace+=row;
469: }
1.248 paf 470: frame.store_param(*new VTable(&stack_trace));
471:
472: // future $response:body=
473: // execute ^unhandled_exception[exception;stack]
1.250 paf 474: body_string=&execute_method(frame, *method).as_string();
1.233 paf 475: }
1.30 paf 476: }
1.258 paf 477: }
478:
479: if(!body_string) { // couldn't report an error beautifully?
480: // doing that ugly
481:
482: // make up result: $origin $source $comment $type $code
483: char *buf=new(PointerFreeGC) char[MAX_STRING];
484: size_t printed=0;
485: if(const String* problem_source=e.problem_source())
486: printed+=snprintf(buf+printed, MAX_STRING-printed, "'%s' ",
487: problem_source->cstr());
488: if(const char* comment=e.comment(true))
489: printed+=snprintf(buf+printed, MAX_STRING-printed, "%s", comment);
490: if(const char* type=e.type(true))
491: printed+=snprintf(buf+printed, MAX_STRING-printed, " type: %s", type);
492:
493: // future $response:content-type
494: response.fields().put(content_type_name,
495: new VString(*new String(UNHANDLED_EXCEPTION_CONTENT_TYPE)));
496: // future $response:body
497: body_string=new String(buf);
498: }
1.41 paf 499:
1.258 paf 500: VString body_vstring(*body_string);
501: VFile* body_file=body_vstring.as_vfile(String::L_UNSPECIFIED, &charsets);
1.90 paf 502:
1.258 paf 503: // ERROR. write it out
504: output_result(body_file, header_only, false);
1.1 paf 505: }
506: }
507:
1.266 paf 508: uint Request::register_file(String::Body file_spec) {
1.248 paf 509: file_list+=file_spec;
510: return file_list.count()-1;
511: }
512:
513: void Request::use_file(VStateless_class& aclass,
514: const String& file_name, const String* main_alias,
515: bool ignore_class_path,
516: bool fail_on_read_problem,
517: bool fail_on_file_absence) {
1.73 paf 518: // cyclic dependence check
1.148 parser 519: if(used_files.get(file_name))
1.248 paf 520: return;
521: used_files.put(file_name, true);
1.73 paf 522:
1.248 paf 523: const String* file_spec;
1.153 parser 524: if(ignore_class_path) // ignore_class_path?
1.148 parser 525: file_spec=&file_name;
1.248 paf 526: else if(file_name.first_char()=='/') //absolute path? [no need to scan MAIN:CLASS_PATH]
1.153 parser 527: file_spec=&absolute(file_name);
528: else {
529: file_spec=0;
1.248 paf 530: if(Value* element=main_class.get_element(class_path_name, main_class, false)) {
1.233 paf 531: if(element->is_string()) {
532: file_spec=file_readable(absolute(element->as_string()), file_name); // found at class_path?
533: } else if(Table *table=element->get_table()) {
1.248 paf 534: int size=table->count();
1.233 paf 535: for(int i=size; i--; ) {
1.248 paf 536: const String& path=*(*table->get(i))[0];
1.259 paf 537: if((file_spec=file_readable(absolute(path), file_name)))
1.233 paf 538: break; // found along class_path
539: }
540: } else
541: throw Exception("parser.runtime",
542: 0,
543: "$" CLASS_PATH_NAME " must be string or table");
544: if(!file_spec)
545: throw Exception("parser.runtime",
546: &file_name,
547: "not found along " MAIN_CLASS_NAME ":" CLASS_PATH_NAME);
548: }
1.153 parser 549: if(!file_spec)
1.197 paf 550: throw Exception("parser.runtime",
1.153 parser 551: &file_name,
1.203 paf 552: "usage failed - no $" MAIN_CLASS_NAME ":" CLASS_PATH_NAME " were specified");
1.148 parser 553: }
1.230 paf 554:
555: if(fail_on_read_problem && !fail_on_file_absence) // ignore file absence if asked for
556: if(!entry_exists(*file_spec))
1.248 paf 557: return;
1.3 paf 558:
1.248 paf 559: if(const char* source=file_read_text(charsets, *file_spec, fail_on_read_problem))
560: use_buf(aclass, source, main_alias, register_file(*file_spec));
1.16 paf 561: }
562:
1.208 paf 563:
1.248 paf 564: void Request::use_buf(VStateless_class& aclass,
565: const char* source, const String* main_alias,
1.266 paf 566: uint file_no,
567: int line_no_offset) {
1.233 paf 568: // temporary zero @conf so to maybe-replace it in compiled code
1.248 paf 569: Temp_method temp_method_conf(aclass, conf_method_name, 0);
1.233 paf 570: // temporary zero @auto so to maybe-replace it in compiled code
1.248 paf 571: Temp_method temp_method_auto(aclass, auto_method_name, 0);
1.233 paf 572:
1.5 paf 573: // compile loaded class
1.266 paf 574: VStateless_class& cclass=compile(&aclass, source, main_alias, file_no, line_no_offset);
1.212 paf 575:
1.233 paf 576: // locate and execute possible @conf[] static
1.248 paf 577: VString* vfilespec=
578: new VString(*new String(file_list[file_no], String::L_TAINTED));
579: Execute_nonvirtual_method_result executed=execute_nonvirtual_method(cclass,
580: conf_method_name, vfilespec,
581: false/*no string result needed*/);
582: if(executed.method)
583: configure_admin(cclass/*, executed.method->name*/);
1.208 paf 584:
585: // locate and execute possible @auto[] static
1.233 paf 586: execute_nonvirtual_method(cclass,
1.248 paf 587: auto_method_name, vfilespec,
588: false/*no result needed*/);
1.19 paf 589: }
590:
1.248 paf 591: const String& Request::relative(const char* apath, const String& relative_name) {
592: char *hpath=strdup(apath);
593: String& result=*new String;
594: if(rsplit(hpath, '/')) // if something/splitted
1.217 paf 595: result << hpath << "/";
1.248 paf 596: result << relative_name;
597: return result;
1.19 paf 598: }
599:
1.77 paf 600: const String& Request::absolute(const String& relative_name) {
1.217 paf 601: if(relative_name.first_char()=='/') {
1.248 paf 602: String& result=*new String(strdup(request_info.document_root));
1.104 paf 603: result << relative_name;
1.19 paf 604: return result;
605: } else
1.248 paf 606: if(relative_name.pos("://")!=STRING_NOT_FOUND // something like "http://xxx"
1.247 paf 607: #ifdef WIN32
608: || relative_name.pos(":")==1 // DRIVE:
609: || relative_name.starts_with("\\\\") // UNC1
610: || relative_name.starts_with("//") // UNC2
611: #endif
612: )
613: return relative_name;
614: else
1.248 paf 615: return relative(request_info.path_translated, relative_name);
1.1 paf 616: }
1.45 paf 617:
1.267 ! paf 618: #ifndef DOXYGEN
! 619: class Add_header_attribute_info
! 620: {
! 621: public:
! 622: Add_header_attribute_info(Request& ar) : r(ar), add_last_modified(true) {}
! 623: Request& r;
! 624: bool add_last_modified;
! 625: };
! 626: #endif
1.248 paf 627: static void add_header_attribute(
628: HashStringValue::key_type aattribute,
629: HashStringValue::value_type ameaning,
1.267 ! paf 630: Add_header_attribute_info* info) {
1.184 paf 631: if(aattribute==BODY_NAME
1.244 paf 632: || aattribute==DOWNLOAD_NAME
1.184 paf 633: || aattribute==CHARSET_NAME)
1.101 paf 634: return;
635:
1.267 ! paf 636: const char* a=aattribute.cstr();
! 637: SAPI::add_header_attribute(info->r.sapi_info,
! 638: a,
1.248 paf 639: attributed_meaning_to_string(*ameaning, String::L_HTTP_HEADER, false).
640: cstr(String::L_UNSPECIFIED));
1.267 ! paf 641:
! 642: if(strcasecmp(a, "last-modified")==0)
! 643: info->add_last_modified = false;
! 644: }
! 645:
! 646: /*
! 647: if(v = opts->get("mdate")){
! 648: ++valid_options;
! 649: if(Value* vdate=v->as(VDATE_TYPE, false))
! 650: date=static_cast<VDate*>(vdate);
! 651: else throw Exception("parser.runtime", 0, "mdate must be a date");
! 652: }
! 653: if(v = opts->get("disposition")){
! 654: ++valid_options;
! 655: if(!v->is("string")) throw Exception("parser.runtime", 0, "disposition must be a string");
! 656: disposition = v->get_string()->cstr();
! 657: if(strcmp(disposition, "inline") && strcmp(disposition, "attachment")) throw Exception("parser.runtime", 0, "disposition can be only 'inline' or 'attachment'");
! 658: }
! 659: if(valid_options != opts->count())
! 660: throw Exception("parser.runtime", 0, "invalid option passed");
! 661: }
! 662:
! 663: auto_file f = fopen(c_from_file_name, "rb");
! 664: if(f == 0)
! 665: throw Exception("parser.runtime", 0, "Can't open file");
! 666:
! 667: if(fseek(f, 0, SEEK_END)!=0)
! 668: throw Exception("parser.runtime", 0, "Can't seek file");
! 669:
! 670: size_t file_length = (size_t)ftell(f);
! 671: if(file_length == (size_t)-1)
! 672: throw Exception("parser.runtime", 0, "can't get file size");
! 673: if(file_length <= offset)
! 674: throw Exception("parser.runtime", 0, "offset too big");
! 675:
! 676: size_t content_length = file_length-offset;
! 677: if(limit != (size_t)-1)
! 678: content_length = limit<content_length?limit:content_length;
! 679:
! 680: size_t part_length = content_length;
! 681:
! 682: const size_t BUFSIZE = 4096;
! 683: unsigned char buf[BUFSIZE];
! 684: const char *range = SAPI::get_env(r.sapi_info, "HTTP_RANGE");
! 685: if(range){
! 686: Array<Range> ar;
! 687: parse_range(new String(range), ar);
! 688: size_t count = ar.count();
! 689: if(count == 1){
! 690: Range &rg = ar.get_ref(0);
! 691: if(rg.start == (size_t)-1 && rg.end == (size_t)-1){
! 692: SAPI::add_header_attribute(r.sapi_info, "status", "416 Requested Range Not Satisfiable");
! 693: return;
! 694: }
! 695: if(rg.start == (size_t)-1 && rg.end != (size_t)-1){
! 696: rg.start = content_length - rg.end;
! 697: rg.end = content_length;
! 698: offset += rg.start;
! 699: part_length = rg.end-rg.start;
! 700: }else if(rg.start != (size_t)-1 && rg.end == (size_t)-1){
! 701: rg.end = content_length-1;
! 702: offset += rg.start;
! 703: part_length -= rg.start;
! 704: }
! 705: if(part_length == 0){
! 706: SAPI::add_header_attribute(r.sapi_info, "status", "204 No Content");
! 707: return;
! 708: }
! 709: SAPI::add_header_attribute(r.sapi_info, "status", "206 Partial Content");
! 710: snprintf((char*)buf, BUFSIZE, "bytes %u-%u/%u", rg.start, rg.end, content_length);
! 711: SAPI::add_header_attribute(r.sapi_info, "Content-Range", (char*)buf);
! 712: }else if(count != 0){
! 713: SAPI::add_header_attribute(r.sapi_info, "status", "501 Not Implemented");
! 714: return;
! 715: }
! 716: }
! 717:
! 718: fseek(f, offset, SEEK_SET);
! 719: snprintf((char*)buf, BUFSIZE, "%u", part_length);
! 720: SAPI::add_header_attribute(r.sapi_info, "Content-Length", (char*)buf);
! 721:
! 722: if(info.add_content_disposition && disposition){
! 723: const char *fname = 0;
! 724: if(to_file_name){
! 725: fname = to_file_name->as_string().cstr();
! 726: }else{
! 727: const char *fname = c_from_file_name;
! 728: const char *p1 = strrchr(fname, '/');
! 729: const char *p2 = strrchr(fname, '\\');
! 730: if(p1 || p2)
! 731: fname = max(p1, p2)+1;
! 732: }
! 733:
! 734: snprintf((char*)buf, BUFSIZE, "%s; filename=\"%s\"", disposition, fname);
! 735: SAPI::add_header_attribute(r.sapi_info, "Content-Disposition", (char*)buf);
! 736: }
! 737: if(info.add_content_type)
! 738: SAPI::add_header_attribute(r.sapi_info, "Content-Type", r.mime_type_of(c_from_file_name).cstr());
! 739: if(info.add_last_modified){
! 740: if(date == 0){
! 741: struct stat st;
! 742: if(stat(c_from_file_name, &st)!=0) throw Exception("parser.runtime", 0, "can't get file stat");
! 743: date = new VDate(st.st_mtime);
! 744: }
! 745: const String &s = attributed_meaning_to_string(*date, String::L_AS_IS, true);
! 746: SAPI::add_header_attribute(r.sapi_info, "Last-Modified", s.cstr());
! 747: }
! 748: r.cookie.output_result(r.sapi_info);
! 749: SAPI::send_header(r.sapi_info);
! 750:
! 751: const char* request_method=getenv("REQUEST_METHOD");
! 752: bool header_only=request_method && strcasecmp(request_method, "HEAD")==0;
! 753: size_t sent = 0;
! 754: if(!header_only){
! 755: size_t to_read = 0;
! 756: size_t size = 0;
! 757: do{
! 758: to_read = part_length<BUFSIZE?part_length:BUFSIZE;
! 759: to_read = fread(buf, 1, to_read, f);
! 760: if(to_read == 0)
! 761: break;
! 762: size = SAPI::send_body(r.sapi_info, buf, to_read);
! 763: sent += size;
! 764: if(size != to_read)
! 765: break;
! 766: part_length -= to_read;
! 767: }while(part_length);
! 768: }
! 769: // set flag to bypass other outputs
! 770: r.response.fields().put("ignore", new VString(*new String("y")));
! 771: r.write_no_lang(*new VInt(sent));
! 772: }
! 773:
! 774:
! 775: */
! 776:
! 777:
! 778:
! 779: static void output_sole_piece(Request& r,
! 780: bool header_only,
! 781: VFile& body_file,
! 782: Value* body_file_content_type) {
! 783: // transcode text body when "text/*" or simple result
! 784: String::C output(body_file.value_ptr(), body_file.value_size());
! 785: if(!body_file_content_type/*vstring.as_vfile*/ || body_file_content_type->as_string().pos("text/")==0)
! 786: output=Charset::transcode(output,
! 787: r.charsets.source(),
! 788: r.charsets.client());
! 789:
! 790: // prepare header: content-length
! 791: char content_length_cstr[MAX_NUMBER];
! 792: snprintf(content_length_cstr, MAX_NUMBER, "%u", output.length);
! 793: SAPI::add_header_attribute(r.sapi_info, "content-length", content_length_cstr);
! 794:
! 795: // send header
! 796: SAPI::send_header(r.sapi_info);
! 797:
! 798: // send body
! 799: if(!header_only)
! 800: SAPI::send_body(r.sapi_info, output.str, output.length);
! 801: }
! 802:
! 803: #ifndef DOXYGEN
! 804: struct Range
! 805: {
! 806: size_t start;
! 807: size_t end;
! 808: };
! 809: #endif
! 810: static void parse_range(const String* s, Array<Range> &ar)
! 811: {
! 812: const char *p = s->cstr();
! 813: if(s->starts_with("bytes="))
! 814: p += 6;
! 815: Range r;
! 816: while(*p){
! 817: r.start = (size_t)-1;
! 818: r.end = (size_t)-1;
! 819: if(*p >= '0' && *p <= '9'){
! 820: r.start = atol(p);
! 821: while(*p>='0' && *p<='9') ++p;
! 822: }
! 823: if(*p++ != '-') break;
! 824: if(*p >= '0' && *p <= '9'){
! 825: r.end = atol(p);
! 826: while(*p>='0' && *p<='9') ++p;
! 827: }
! 828: if(*p == ',') ++p;
! 829: ar += r;
! 830: }
1.101 paf 831: }
1.267 ! paf 832:
! 833: static void output_pieces(Request& r,
! 834: bool header_only,
! 835: const String& filename,
! 836: size_t content_length,
! 837: Value& date,
! 838: bool add_last_modified)
! 839: {
! 840: const size_t BUFSIZE = 10*0x400;
! 841: char buf[BUFSIZE];
! 842: const char *range = SAPI::get_env(r.sapi_info, "HTTP_RANGE");
! 843: size_t offset=0;
! 844: size_t part_length=content_length;
! 845: if(range){
! 846: Array<Range> ar;
! 847: parse_range(new String(range), ar);
! 848: size_t count = ar.count();
! 849: if(count == 1){
! 850: Range &rg = ar.get_ref(0);
! 851: if(rg.start == (size_t)-1 && rg.end == (size_t)-1){
! 852: SAPI::add_header_attribute(r.sapi_info, "status", "416 Requested Range Not Satisfiable");
! 853: return;
! 854: }
! 855: if(rg.start == (size_t)-1 && rg.end != (size_t)-1){
! 856: rg.start = content_length - rg.end;
! 857: rg.end = content_length;
! 858: offset += rg.start;
! 859: part_length = rg.end-rg.start;
! 860: }else if(rg.start != (size_t)-1 && rg.end == (size_t)-1){
! 861: rg.end = content_length-1;
! 862: offset += rg.start;
! 863: part_length -= rg.start;
! 864: }
! 865: if(part_length == 0){
! 866: SAPI::add_header_attribute(r.sapi_info, "status", "204 No Content");
! 867: return;
! 868: }
! 869: SAPI::add_header_attribute(r.sapi_info, "status", "206 Partial Content");
! 870: snprintf(buf, BUFSIZE, "bytes %u-%u/%u", rg.start, rg.end, content_length);
! 871: SAPI::add_header_attribute(r.sapi_info, "Content-Range", buf);
! 872: }else if(count != 0){
! 873: SAPI::add_header_attribute(r.sapi_info, "status", "501 Not Implemented");
! 874: return;
! 875: }
! 876: }
! 877:
! 878:
! 879: snprintf(buf, BUFSIZE, "%u", part_length);
! 880: SAPI::add_header_attribute(r.sapi_info, "Content-Length", buf);
! 881:
! 882: if(add_last_modified){
! 883: const String &s = attributed_meaning_to_string(date, String::L_AS_IS, true);
! 884: SAPI::add_header_attribute(r.sapi_info, "Last-Modified", s.cstr());
! 885: }
! 886: SAPI::send_header(r.sapi_info);
! 887:
! 888: const String& filespec=r.absolute(filename);
! 889:
! 890: size_t sent = 0;
! 891: if(!header_only){
! 892: size_t to_read = 0;
! 893: size_t size = 0;
! 894: do{
! 895: to_read = part_length<BUFSIZE?part_length:BUFSIZE;
! 896: File_read_result read_result=file_read(r.charsets, filespec,
! 897: false /*as text*/, 0/*params*/, true/*fail on problem*/,
! 898: buf, offset, to_read);
! 899: to_read=read_result.length;
! 900: if(to_read == 0)
! 901: break;
! 902: offset += to_read;
! 903:
! 904: size = SAPI::send_body(r.sapi_info, read_result.str, to_read);
! 905: sent += size;
! 906: if(size != to_read)
! 907: break;
! 908: part_length -= to_read;
! 909: }while(part_length);
! 910: }
! 911: }
! 912:
1.248 paf 913: void Request::output_result(VFile* body_file, bool header_only, bool as_attachment) {
1.51 paf 914: // header: cookies
1.248 paf 915: cookie.output_result(sapi_info);
1.51 paf 916:
1.267 ! paf 917: // may be specified
! 918: Value* body_file_content_type=body_file->fields().get(content_type_name);
1.92 paf 919:
920: // content-disposition
1.267 ! paf 921: Value* vfile_name=body_file->fields().get(name_name);
! 922: if(!vfile_name) {
! 923: vfile_name=body_file->fields().get(response_body_file_name);
! 924: const String& sfile_name=vfile_name->as_string();
! 925:
! 926: char* name_cstr=sfile_name.cstrm();
! 927: if(char *after_slash=rsplit(name_cstr, '\\'))
! 928: name_cstr=after_slash;
! 929: if(char *after_slash=rsplit(name_cstr, '/'))
! 930: name_cstr=after_slash;
! 931: vfile_name=new VString(*new String(name_cstr));
! 932: }
! 933: if(vfile_name) {
! 934: const String& sfile_name=vfile_name->as_string();
! 935: if(sfile_name!=NONAME_DAT) {
1.248 paf 936: VHash& hash=*new VHash();
937: HashStringValue &h=hash.hash();
1.244 paf 938: if(as_attachment)
1.248 paf 939: h.put(value_name, new VString(content_disposition_value));
940: h.put(content_disposition_filename_name, vfile_name);
941: response.fields().put(content_disposition_name, &hash);
1.267 ! paf 942:
! 943: if(!body_file_content_type)
! 944: body_file_content_type=new VString(mime_type_of(sfile_name.cstr()));
1.111 paf 945: }
1.267 ! paf 946: }
! 947:
! 948: // set content-type
! 949: if(body_file_content_type) {
! 950: // body file content type
! 951: response.fields().put(content_type_name, body_file_content_type);
! 952: } else {
! 953: // default content type
! 954: response.fields().put_dont_replace(content_type_name,
! 955: new VString(*new String(DEFAULT_CONTENT_TYPE)));
! 956: }
1.49 paf 957:
1.62 paf 958: // prepare header: $response:fields without :body
1.267 ! paf 959: Add_header_attribute_info info(*this);
! 960: response.fields().for_each(add_header_attribute, &info);
1.50 paf 961:
1.223 paf 962: if(body_file_content_type)
1.248 paf 963: if(HashStringValue *hash=body_file_content_type->get_hash())
964: body_file_content_type=hash->get(value_name);
1.50 paf 965:
1.267 ! paf 966: if(Value* vresponse_body_file=body_file->fields().get(response_body_file_name)) {
! 967: const String& sresponse_body_file=vresponse_body_file->as_string();
! 968: size_t content_length=0;
! 969: time_t atime=0, mtime=0, ctime=0;
! 970: file_stat(absolute(sresponse_body_file),
! 971: content_length,
! 972: atime, mtime, ctime);
! 973:
! 974: VDate* vdate=0;
! 975: if(Value* v=body_file->fields().get("mdate")) {
! 976: if(Value* vdatep=v->as(VDATE_TYPE, false))
! 977: vdate=static_cast<VDate*>(vdatep);
! 978: else
! 979: throw Exception("parser.runtime", 0, "mdate must be a date");
! 980: }
! 981: if(!vdate)
! 982: vdate=new VDate(mtime);
1.62 paf 983:
1.267 ! paf 984: output_pieces(*this, header_only,
! 985: sresponse_body_file,
! 986: content_length,
! 987: *vdate,
! 988: info.add_last_modified);
! 989: } else {
! 990: output_sole_piece(*this, header_only,
! 991: *body_file, body_file_content_type);
! 992: }
1.50 paf 993: }
1.104 paf 994:
1.248 paf 995: const String& Request::mime_type_of(const char* user_file_name_cstr) {
1.104 paf 996: if(mime_types)
1.248 paf 997: if(const char* cext=strrchr(user_file_name_cstr, '.')) {
998: String sext(++cext);
1.246 paf 999: Table::Action_options options;
1.248 paf 1000: if(mime_types->locate(0, sext.change_case(charsets.source(), String::CC_LOWER), options))
1001: if(const String* result=mime_types->item(1))
1002: return *result;
1.104 paf 1003: else
1.197 paf 1004: throw Exception("parser.runtime",
1.248 paf 1005: 0,
1.212 paf 1006: MIME_TYPES_NAME " table column elements must not be empty");
1.104 paf 1007: }
1.248 paf 1008:
1009: return *new String("application/octet-stream");
1010: }
1011:
1012: #ifdef XML
1013: GdomeDOMString_auto_ptr Request::transcode(const String& s) {
1014: return charsets.source().transcode(s);
1015: }
1016:
1.249 paf 1017: GdomeDOMString_auto_ptr Request::transcode(const String::Body s) {
1.248 paf 1018: return charsets.source().transcode(s);
1019: }
1020:
1021: const String& Request::transcode(GdomeDOMString* s) {
1022: return charsets.source().transcode(s);
1023: }
1024:
1025: const String& Request::transcode(xmlChar* s) {
1026: return charsets.source().transcode(s);
1.233 paf 1027: }
1.248 paf 1028: #endif
1029:
1030:
1031: const Request::Trace Request::Exception_trace::extract_origin(const String*& problem_source) {
1032: Trace result;
1033: if(!is_empty()) {
1034: result=bottom_value();
1035: if(!problem_source) { // we don't know who trigged the bug?
1036: problem_source=result.name(); // consider the stack-top-guy did that
1037: fbottom++;
1038: } else if(result.name()==problem_source) // it is that same guy?
1039: fbottom++; // throw away that trace
1040: // else stack top contains not us,
1041: // leaving result intact
1042: // it would help ^throw
1043: }
1044:
1045: return result;
1046: }
1047:
1048: Request::Exception_details Request::get_details(const Exception& e) {
1049: const String* problem_source=e.problem_source();
1050: Trace trace=exception_trace.extract_origin(problem_source);
1051:
1052: VHash& vhash=*new VHash; HashStringValue& hash=vhash.hash();
1053:
1054: // $.type
1055: if(const char* type=e.type(true))
1056: hash.put(exception_type_part_name, new VString(*new String(type)));
1057:
1058: // $.source
1059: if(problem_source) {
1060: String& source=*new String;
1061: source.append(*problem_source, String::L_TAINTED, true/*forced*/);
1062:
1063: hash.put(exception_source_part_name, new VString(source));
1064: }
1065:
1066: // $.file lineno colno
1067: if(trace) {
1068: const Operation::Origin origin=trace.origin();
1.263 paf 1069: hash.put(String::Body("file"),
1.248 paf 1070: new VString(*new String(file_list[origin.file_no], String::L_TAINTED)));
1.263 paf 1071: hash.put(String::Body("lineno"), new VInt(1+origin.line));
1072: hash.put(String::Body("colno"), new VInt(1+origin.col));
1.248 paf 1073: }
1074:
1075: // $.comment
1076: if(const char* comment=e.comment(true))
1077: hash.put(exception_comment_part_name,
1078: new VString(*new String(comment, 0, true/*tainted*/)));
1079:
1080: // $.handled(0)
1081: hash.put(exception_handled_part_name, new VBool(false));
1.233 paf 1082:
1.248 paf 1083: return Request::Exception_details(trace, problem_source, vhash);
1.133 parser 1084: }
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