Annotation of parser3/src/main/pa_request.C, revision 1.268
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:
1.268 ! paf 8: static const char * const IDENT_REQUEST_C="$Date: 2004/07/26 14:43:09 $";
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: #ifdef RESOURCES_DEBUG
248: //measures
249: struct timeval mt[10];
250: //measure:before all
251: gettimeofday(&mt[0],NULL);
252: #endif
1.169 parser 253: try {
1.211 paf 254: // loading config
255: if(config_filespec) {
1.248 paf 256: const String& filespec=*new String(config_filespec);
1.233 paf 257: use_file(main_class,
1.248 paf 258: filespec, 0 /*main_alias*/,
259: true /*ignore class_path*/,
260: config_fail_on_read_problem,
261: true /*file must exist if 'fail on read problem' not set*/);
1.29 paf 262: }
1.8 paf 263:
1.72 paf 264: // loading auto.p files from document_root/..
265: // to the one beside requested file.
266: // all assigned bases from upper dir
267: {
1.248 paf 268: const char* after=request_info.path_translated;
269: size_t drlen=strlen(request_info.document_root);
270: if(memcmp(after, request_info.document_root, drlen)==0) {
1.115 paf 271: after+=drlen;
272: if(after[-1]=='/')
273: --after;
274: }
275:
1.248 paf 276: while(const char* before=strchr(after, '/')) {
277: String& sfile_spec=*new String;
278: if(after!=request_info.path_translated) {
279: sfile_spec.append_strdup(
280: request_info.path_translated, before-request_info.path_translated,
281: String::L_CLEAN);
1.152 parser 282: sfile_spec << "/" AUTO_FILE_NAME;
283:
1.233 paf 284: use_file(main_class,
1.248 paf 285: sfile_spec,
286: 0 /*main_alias*/,
287: true /*ignore class_path*/,
288: true /*fail on read problem*/,
289: false /*but ignore absence, sole user*/);
1.115 paf 290: }
291: after=before+1;
1.72 paf 292: }
293: }
1.34 paf 294:
1.125 paf 295: // compile requested file
1.248 paf 296: String& spath_translated=*new String;
297: spath_translated.append_help_length(request_info.path_translated, 0, String::L_TAINTED);
1.233 paf 298: use_file(main_class,
1.248 paf 299: spath_translated,
300: 0 /*main_alias*/,
301: true /*ignore class_path*/);
1.214 paf 302:
1.227 paf 303: // configure method_frame options if not configured yet
1.214 paf 304: if(!configure_admin_done)
1.248 paf 305: configure_admin(main_class);
1.7 paf 306:
1.227 paf 307: // configure not-method_frame=user options
1.248 paf 308: methoded_array().configure_user(*this);
1.124 paf 309:
1.85 paf 310: // $MAIN:MIME-TYPES
1.248 paf 311: if(Value* element=main_class.get_element(mime_types_name, main_class, false))
1.85 paf 312: if(Table *table=element->get_table())
313: mime_types=table;
1.102 paf 314:
1.124 paf 315: // filling cookies
1.248 paf 316: cookie.fill_fields(request_info);
1.213 paf 317:
318: // filling mail received
319: mail.fill_received(*this);
1.25 paf 320:
1.183 paf 321: #ifdef RESOURCES_DEBUG
322: //measure:after compile
323: gettimeofday(&mt[1],NULL);
324: #endif
1.25 paf 325: // execute @main[]
1.248 paf 326: const String* body_string=execute_virtual_method(main_class, main_method_name);
1.41 paf 327: if(!body_string)
1.197 paf 328: throw Exception("parser.runtime",
1.248 paf 329: 0,
1.145 parser 330: "'"MAIN_METHOD_NAME"' method not found");
1.79 paf 331:
1.183 paf 332: #ifdef RESOURCES_DEBUG
333: //measure:after main
334: gettimeofday(&mt[2],NULL);
335: #endif
336:
1.250 paf 337: // extract response body
338: Value* body_value=response.fields().get(download_name); // $response:download?
339: bool as_attachment=body_value!=0;
340: if(!body_value)
341: body_value=response.fields().get(body_name); // $response:body
342: if(!body_value)
343: body_value=new VString(*body_string); // just result of ^main[]
344:
1.119 paf 345: // @postprocess
1.248 paf 346: if(Value* value=main_class.get_element(post_process_method_name, main_class, false))
347: if(Junction* junction=value->get_junction())
1.91 paf 348: if(const Method *method=junction->method) {
349: // preparing to pass parameters to
1.119 paf 350: // @postprocess[data]
1.248 paf 351: VMethodFrame frame(/*method->name, */ *junction, 0/*no parent*/);
1.233 paf 352: frame.set_self(main_class);
1.91 paf 353:
1.250 paf 354: frame.store_param(*body_value);
355: body_value=&execute_method(frame, *method).as_value();
1.91 paf 356: }
1.90 paf 357:
1.250 paf 358: VFile* body_file=body_value->as_vfile(
1.248 paf 359: String::L_UNSPECIFIED, &charsets);
1.41 paf 360:
1.183 paf 361: #ifdef RESOURCES_DEBUG
362: //measure:after postprocess
363: gettimeofday(&mt[3],NULL);
364: #endif
365:
1.45 paf 366: // OK. write out the result
1.248 paf 367: output_result(body_file, header_only, as_attachment);
1.183 paf 368:
369: #ifdef RESOURCES_DEBUG
370: //measure:after output_result
371: gettimeofday(&mt[9],NULL);
372: t[9]=mt[9].tv_sec+mt[9].tv_usec/1000000.0;
373:
374: double t[10];
375: for(int i=0;i<10;i++)
376: t[i]=mt[i].tv_sec+mt[i].tv_usec/1000000.0;
377: //measure:log2 compile,main,postprocess,output
1.248 paf 378: SAPI::log("rmeasure: %s,%.2f,%.2f,%.2f %.2f,%.2f %.2f",
379: request_info.uri,
1.183 paf 380: t[1]-t[0],
381: t[2]-t[1],
382: t[3]-t[2],
383: sql_connect_time,sql_request_time,
384: t[9]-t[3]
385: );
386: #endif
1.171 parser 387: } catch(const Exception& e) { // request handling problem
1.268 ! paf 388: try {
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 $response:body
497: body_string=new String(buf);
498: }
1.41 paf 499:
1.258 paf 500: VString body_vstring(*body_string);
501: VFile* body_file=body_vstring.as_vfile(String::L_UNSPECIFIED, &charsets);
1.90 paf 502:
1.258 paf 503: // ERROR. write it out
504: output_result(body_file, header_only, false);
1.268 ! paf 505: } catch(const Exception& e) {
! 506: throw Exception(e.type(),
! 507: e.problem_source(),
! 508: "in request exception handler: %s",
! 509: e.comment());
! 510: }
1.1 paf 511: }
512: }
513:
1.266 paf 514: uint Request::register_file(String::Body file_spec) {
1.248 paf 515: file_list+=file_spec;
516: return file_list.count()-1;
517: }
518:
519: void Request::use_file(VStateless_class& aclass,
520: const String& file_name, const String* main_alias,
521: bool ignore_class_path,
522: bool fail_on_read_problem,
523: bool fail_on_file_absence) {
1.73 paf 524: // cyclic dependence check
1.148 parser 525: if(used_files.get(file_name))
1.248 paf 526: return;
527: used_files.put(file_name, true);
1.73 paf 528:
1.248 paf 529: const String* file_spec;
1.153 parser 530: if(ignore_class_path) // ignore_class_path?
1.148 parser 531: file_spec=&file_name;
1.248 paf 532: else if(file_name.first_char()=='/') //absolute path? [no need to scan MAIN:CLASS_PATH]
1.153 parser 533: file_spec=&absolute(file_name);
534: else {
535: file_spec=0;
1.248 paf 536: if(Value* element=main_class.get_element(class_path_name, main_class, false)) {
1.233 paf 537: if(element->is_string()) {
538: file_spec=file_readable(absolute(element->as_string()), file_name); // found at class_path?
539: } else if(Table *table=element->get_table()) {
1.248 paf 540: int size=table->count();
1.233 paf 541: for(int i=size; i--; ) {
1.248 paf 542: const String& path=*(*table->get(i))[0];
1.259 paf 543: if((file_spec=file_readable(absolute(path), file_name)))
1.233 paf 544: break; // found along class_path
545: }
546: } else
547: throw Exception("parser.runtime",
548: 0,
549: "$" CLASS_PATH_NAME " must be string or table");
550: if(!file_spec)
551: throw Exception("parser.runtime",
552: &file_name,
553: "not found along " MAIN_CLASS_NAME ":" CLASS_PATH_NAME);
554: }
1.153 parser 555: if(!file_spec)
1.197 paf 556: throw Exception("parser.runtime",
1.153 parser 557: &file_name,
1.203 paf 558: "usage failed - no $" MAIN_CLASS_NAME ":" CLASS_PATH_NAME " were specified");
1.148 parser 559: }
1.230 paf 560:
561: if(fail_on_read_problem && !fail_on_file_absence) // ignore file absence if asked for
562: if(!entry_exists(*file_spec))
1.248 paf 563: return;
1.3 paf 564:
1.248 paf 565: if(const char* source=file_read_text(charsets, *file_spec, fail_on_read_problem))
566: use_buf(aclass, source, main_alias, register_file(*file_spec));
1.16 paf 567: }
568:
1.208 paf 569:
1.248 paf 570: void Request::use_buf(VStateless_class& aclass,
571: const char* source, const String* main_alias,
1.266 paf 572: uint file_no,
573: int line_no_offset) {
1.233 paf 574: // temporary zero @conf so to maybe-replace it in compiled code
1.248 paf 575: Temp_method temp_method_conf(aclass, conf_method_name, 0);
1.233 paf 576: // temporary zero @auto so to maybe-replace it in compiled code
1.248 paf 577: Temp_method temp_method_auto(aclass, auto_method_name, 0);
1.233 paf 578:
1.5 paf 579: // compile loaded class
1.266 paf 580: VStateless_class& cclass=compile(&aclass, source, main_alias, file_no, line_no_offset);
1.212 paf 581:
1.233 paf 582: // locate and execute possible @conf[] static
1.248 paf 583: VString* vfilespec=
584: new VString(*new String(file_list[file_no], String::L_TAINTED));
585: Execute_nonvirtual_method_result executed=execute_nonvirtual_method(cclass,
586: conf_method_name, vfilespec,
587: false/*no string result needed*/);
588: if(executed.method)
589: configure_admin(cclass/*, executed.method->name*/);
1.208 paf 590:
591: // locate and execute possible @auto[] static
1.233 paf 592: execute_nonvirtual_method(cclass,
1.248 paf 593: auto_method_name, vfilespec,
594: false/*no result needed*/);
1.19 paf 595: }
596:
1.248 paf 597: const String& Request::relative(const char* apath, const String& relative_name) {
598: char *hpath=strdup(apath);
599: String& result=*new String;
600: if(rsplit(hpath, '/')) // if something/splitted
1.217 paf 601: result << hpath << "/";
1.248 paf 602: result << relative_name;
603: return result;
1.19 paf 604: }
605:
1.77 paf 606: const String& Request::absolute(const String& relative_name) {
1.217 paf 607: if(relative_name.first_char()=='/') {
1.248 paf 608: String& result=*new String(strdup(request_info.document_root));
1.104 paf 609: result << relative_name;
1.19 paf 610: return result;
611: } else
1.248 paf 612: if(relative_name.pos("://")!=STRING_NOT_FOUND // something like "http://xxx"
1.247 paf 613: #ifdef WIN32
614: || relative_name.pos(":")==1 // DRIVE:
615: || relative_name.starts_with("\\\\") // UNC1
616: || relative_name.starts_with("//") // UNC2
617: #endif
618: )
619: return relative_name;
620: else
1.248 paf 621: return relative(request_info.path_translated, relative_name);
1.1 paf 622: }
1.45 paf 623:
1.267 paf 624: #ifndef DOXYGEN
625: class Add_header_attribute_info
626: {
627: public:
628: Add_header_attribute_info(Request& ar) : r(ar), add_last_modified(true) {}
629: Request& r;
630: bool add_last_modified;
631: };
632: #endif
1.248 paf 633: static void add_header_attribute(
634: HashStringValue::key_type aattribute,
635: HashStringValue::value_type ameaning,
1.267 paf 636: Add_header_attribute_info* info) {
1.184 paf 637: if(aattribute==BODY_NAME
1.244 paf 638: || aattribute==DOWNLOAD_NAME
1.184 paf 639: || aattribute==CHARSET_NAME)
1.101 paf 640: return;
641:
1.267 paf 642: const char* a=aattribute.cstr();
643: SAPI::add_header_attribute(info->r.sapi_info,
644: a,
1.248 paf 645: attributed_meaning_to_string(*ameaning, String::L_HTTP_HEADER, false).
646: cstr(String::L_UNSPECIFIED));
1.267 paf 647:
648: if(strcasecmp(a, "last-modified")==0)
649: info->add_last_modified = false;
650: }
651:
652: /*
653: if(v = opts->get("mdate")){
654: ++valid_options;
655: if(Value* vdate=v->as(VDATE_TYPE, false))
656: date=static_cast<VDate*>(vdate);
657: else throw Exception("parser.runtime", 0, "mdate must be a date");
658: }
659: if(v = opts->get("disposition")){
660: ++valid_options;
661: if(!v->is("string")) throw Exception("parser.runtime", 0, "disposition must be a string");
662: disposition = v->get_string()->cstr();
663: if(strcmp(disposition, "inline") && strcmp(disposition, "attachment")) throw Exception("parser.runtime", 0, "disposition can be only 'inline' or 'attachment'");
664: }
665: if(valid_options != opts->count())
666: throw Exception("parser.runtime", 0, "invalid option passed");
667: }
668:
669: auto_file f = fopen(c_from_file_name, "rb");
670: if(f == 0)
671: throw Exception("parser.runtime", 0, "Can't open file");
672:
673: if(fseek(f, 0, SEEK_END)!=0)
674: throw Exception("parser.runtime", 0, "Can't seek file");
675:
676: size_t file_length = (size_t)ftell(f);
677: if(file_length == (size_t)-1)
678: throw Exception("parser.runtime", 0, "can't get file size");
679: if(file_length <= offset)
680: throw Exception("parser.runtime", 0, "offset too big");
681:
682: size_t content_length = file_length-offset;
683: if(limit != (size_t)-1)
684: content_length = limit<content_length?limit:content_length;
685:
686: size_t part_length = content_length;
687:
688: const size_t BUFSIZE = 4096;
689: unsigned char buf[BUFSIZE];
690: const char *range = SAPI::get_env(r.sapi_info, "HTTP_RANGE");
691: if(range){
692: Array<Range> ar;
693: parse_range(new String(range), ar);
694: size_t count = ar.count();
695: if(count == 1){
696: Range &rg = ar.get_ref(0);
697: if(rg.start == (size_t)-1 && rg.end == (size_t)-1){
698: SAPI::add_header_attribute(r.sapi_info, "status", "416 Requested Range Not Satisfiable");
699: return;
700: }
701: if(rg.start == (size_t)-1 && rg.end != (size_t)-1){
702: rg.start = content_length - rg.end;
703: rg.end = content_length;
704: offset += rg.start;
705: part_length = rg.end-rg.start;
706: }else if(rg.start != (size_t)-1 && rg.end == (size_t)-1){
707: rg.end = content_length-1;
708: offset += rg.start;
709: part_length -= rg.start;
710: }
711: if(part_length == 0){
712: SAPI::add_header_attribute(r.sapi_info, "status", "204 No Content");
713: return;
714: }
715: SAPI::add_header_attribute(r.sapi_info, "status", "206 Partial Content");
716: snprintf((char*)buf, BUFSIZE, "bytes %u-%u/%u", rg.start, rg.end, content_length);
717: SAPI::add_header_attribute(r.sapi_info, "Content-Range", (char*)buf);
718: }else if(count != 0){
719: SAPI::add_header_attribute(r.sapi_info, "status", "501 Not Implemented");
720: return;
721: }
722: }
723:
724: fseek(f, offset, SEEK_SET);
725: snprintf((char*)buf, BUFSIZE, "%u", part_length);
726: SAPI::add_header_attribute(r.sapi_info, "Content-Length", (char*)buf);
727:
728: if(info.add_content_disposition && disposition){
729: const char *fname = 0;
730: if(to_file_name){
731: fname = to_file_name->as_string().cstr();
732: }else{
733: const char *fname = c_from_file_name;
734: const char *p1 = strrchr(fname, '/');
735: const char *p2 = strrchr(fname, '\\');
736: if(p1 || p2)
737: fname = max(p1, p2)+1;
738: }
739:
740: snprintf((char*)buf, BUFSIZE, "%s; filename=\"%s\"", disposition, fname);
741: SAPI::add_header_attribute(r.sapi_info, "Content-Disposition", (char*)buf);
742: }
743: if(info.add_content_type)
744: SAPI::add_header_attribute(r.sapi_info, "Content-Type", r.mime_type_of(c_from_file_name).cstr());
745: if(info.add_last_modified){
746: if(date == 0){
747: struct stat st;
748: if(stat(c_from_file_name, &st)!=0) throw Exception("parser.runtime", 0, "can't get file stat");
749: date = new VDate(st.st_mtime);
750: }
751: const String &s = attributed_meaning_to_string(*date, String::L_AS_IS, true);
752: SAPI::add_header_attribute(r.sapi_info, "Last-Modified", s.cstr());
753: }
754: r.cookie.output_result(r.sapi_info);
755: SAPI::send_header(r.sapi_info);
756:
757: const char* request_method=getenv("REQUEST_METHOD");
758: bool header_only=request_method && strcasecmp(request_method, "HEAD")==0;
759: size_t sent = 0;
760: if(!header_only){
761: size_t to_read = 0;
762: size_t size = 0;
763: do{
764: to_read = part_length<BUFSIZE?part_length:BUFSIZE;
765: to_read = fread(buf, 1, to_read, f);
766: if(to_read == 0)
767: break;
768: size = SAPI::send_body(r.sapi_info, buf, to_read);
769: sent += size;
770: if(size != to_read)
771: break;
772: part_length -= to_read;
773: }while(part_length);
774: }
775: // set flag to bypass other outputs
776: r.response.fields().put("ignore", new VString(*new String("y")));
777: r.write_no_lang(*new VInt(sent));
778: }
779:
780:
781: */
782:
783:
784:
785: static void output_sole_piece(Request& r,
786: bool header_only,
787: VFile& body_file,
788: Value* body_file_content_type) {
789: // transcode text body when "text/*" or simple result
790: String::C output(body_file.value_ptr(), body_file.value_size());
791: if(!body_file_content_type/*vstring.as_vfile*/ || body_file_content_type->as_string().pos("text/")==0)
792: output=Charset::transcode(output,
793: r.charsets.source(),
794: r.charsets.client());
795:
796: // prepare header: content-length
797: char content_length_cstr[MAX_NUMBER];
798: snprintf(content_length_cstr, MAX_NUMBER, "%u", output.length);
799: SAPI::add_header_attribute(r.sapi_info, "content-length", content_length_cstr);
800:
801: // send header
802: SAPI::send_header(r.sapi_info);
803:
804: // send body
805: if(!header_only)
806: SAPI::send_body(r.sapi_info, output.str, output.length);
807: }
808:
809: #ifndef DOXYGEN
810: struct Range
811: {
812: size_t start;
813: size_t end;
814: };
815: #endif
816: static void parse_range(const String* s, Array<Range> &ar)
817: {
818: const char *p = s->cstr();
819: if(s->starts_with("bytes="))
820: p += 6;
821: Range r;
822: while(*p){
823: r.start = (size_t)-1;
824: r.end = (size_t)-1;
825: if(*p >= '0' && *p <= '9'){
826: r.start = atol(p);
827: while(*p>='0' && *p<='9') ++p;
828: }
829: if(*p++ != '-') break;
830: if(*p >= '0' && *p <= '9'){
831: r.end = atol(p);
832: while(*p>='0' && *p<='9') ++p;
833: }
834: if(*p == ',') ++p;
835: ar += r;
836: }
1.101 paf 837: }
1.267 paf 838:
839: static void output_pieces(Request& r,
840: bool header_only,
841: const String& filename,
842: size_t content_length,
843: Value& date,
844: bool add_last_modified)
845: {
846: const size_t BUFSIZE = 10*0x400;
847: char buf[BUFSIZE];
848: const char *range = SAPI::get_env(r.sapi_info, "HTTP_RANGE");
849: size_t offset=0;
850: size_t part_length=content_length;
851: if(range){
852: Array<Range> ar;
853: parse_range(new String(range), ar);
854: size_t count = ar.count();
855: if(count == 1){
856: Range &rg = ar.get_ref(0);
857: if(rg.start == (size_t)-1 && rg.end == (size_t)-1){
858: SAPI::add_header_attribute(r.sapi_info, "status", "416 Requested Range Not Satisfiable");
859: return;
860: }
861: if(rg.start == (size_t)-1 && rg.end != (size_t)-1){
862: rg.start = content_length - rg.end;
863: rg.end = content_length;
864: offset += rg.start;
865: part_length = rg.end-rg.start;
866: }else if(rg.start != (size_t)-1 && rg.end == (size_t)-1){
867: rg.end = content_length-1;
868: offset += rg.start;
869: part_length -= rg.start;
870: }
871: if(part_length == 0){
872: SAPI::add_header_attribute(r.sapi_info, "status", "204 No Content");
873: return;
874: }
875: SAPI::add_header_attribute(r.sapi_info, "status", "206 Partial Content");
876: snprintf(buf, BUFSIZE, "bytes %u-%u/%u", rg.start, rg.end, content_length);
877: SAPI::add_header_attribute(r.sapi_info, "Content-Range", buf);
878: }else if(count != 0){
879: SAPI::add_header_attribute(r.sapi_info, "status", "501 Not Implemented");
880: return;
881: }
882: }
883:
884:
885: snprintf(buf, BUFSIZE, "%u", part_length);
886: SAPI::add_header_attribute(r.sapi_info, "Content-Length", buf);
887:
888: if(add_last_modified){
889: const String &s = attributed_meaning_to_string(date, String::L_AS_IS, true);
890: SAPI::add_header_attribute(r.sapi_info, "Last-Modified", s.cstr());
891: }
892: SAPI::send_header(r.sapi_info);
893:
894: const String& filespec=r.absolute(filename);
895:
896: size_t sent = 0;
897: if(!header_only){
898: size_t to_read = 0;
899: size_t size = 0;
900: do{
901: to_read = part_length<BUFSIZE?part_length:BUFSIZE;
902: File_read_result read_result=file_read(r.charsets, filespec,
903: false /*as text*/, 0/*params*/, true/*fail on problem*/,
904: buf, offset, to_read);
905: to_read=read_result.length;
906: if(to_read == 0)
907: break;
908: offset += to_read;
909:
910: size = SAPI::send_body(r.sapi_info, read_result.str, to_read);
911: sent += size;
912: if(size != to_read)
913: break;
914: part_length -= to_read;
915: }while(part_length);
916: }
917: }
918:
1.248 paf 919: void Request::output_result(VFile* body_file, bool header_only, bool as_attachment) {
1.51 paf 920: // header: cookies
1.248 paf 921: cookie.output_result(sapi_info);
1.51 paf 922:
1.267 paf 923: // may be specified
924: Value* body_file_content_type=body_file->fields().get(content_type_name);
1.92 paf 925:
926: // content-disposition
1.267 paf 927: Value* vfile_name=body_file->fields().get(name_name);
928: if(!vfile_name) {
929: vfile_name=body_file->fields().get(response_body_file_name);
930: const String& sfile_name=vfile_name->as_string();
931:
932: char* name_cstr=sfile_name.cstrm();
933: if(char *after_slash=rsplit(name_cstr, '\\'))
934: name_cstr=after_slash;
935: if(char *after_slash=rsplit(name_cstr, '/'))
936: name_cstr=after_slash;
937: vfile_name=new VString(*new String(name_cstr));
938: }
939: if(vfile_name) {
940: const String& sfile_name=vfile_name->as_string();
941: if(sfile_name!=NONAME_DAT) {
1.248 paf 942: VHash& hash=*new VHash();
943: HashStringValue &h=hash.hash();
1.244 paf 944: if(as_attachment)
1.248 paf 945: h.put(value_name, new VString(content_disposition_value));
946: h.put(content_disposition_filename_name, vfile_name);
947: response.fields().put(content_disposition_name, &hash);
1.267 paf 948:
949: if(!body_file_content_type)
950: body_file_content_type=new VString(mime_type_of(sfile_name.cstr()));
1.111 paf 951: }
1.267 paf 952: }
953:
954: // set content-type
955: if(body_file_content_type) {
956: // body file content type
957: response.fields().put(content_type_name, body_file_content_type);
958: } else {
959: // default content type
960: response.fields().put_dont_replace(content_type_name,
961: new VString(*new String(DEFAULT_CONTENT_TYPE)));
962: }
1.49 paf 963:
1.62 paf 964: // prepare header: $response:fields without :body
1.267 paf 965: Add_header_attribute_info info(*this);
966: response.fields().for_each(add_header_attribute, &info);
1.50 paf 967:
1.223 paf 968: if(body_file_content_type)
1.248 paf 969: if(HashStringValue *hash=body_file_content_type->get_hash())
970: body_file_content_type=hash->get(value_name);
1.50 paf 971:
1.267 paf 972: if(Value* vresponse_body_file=body_file->fields().get(response_body_file_name)) {
973: const String& sresponse_body_file=vresponse_body_file->as_string();
974: size_t content_length=0;
975: time_t atime=0, mtime=0, ctime=0;
976: file_stat(absolute(sresponse_body_file),
977: content_length,
978: atime, mtime, ctime);
979:
980: VDate* vdate=0;
981: if(Value* v=body_file->fields().get("mdate")) {
982: if(Value* vdatep=v->as(VDATE_TYPE, false))
983: vdate=static_cast<VDate*>(vdatep);
984: else
985: throw Exception("parser.runtime", 0, "mdate must be a date");
986: }
987: if(!vdate)
988: vdate=new VDate(mtime);
1.62 paf 989:
1.267 paf 990: output_pieces(*this, header_only,
991: sresponse_body_file,
992: content_length,
993: *vdate,
994: info.add_last_modified);
995: } else {
996: output_sole_piece(*this, header_only,
997: *body_file, body_file_content_type);
998: }
1.50 paf 999: }
1.104 paf 1000:
1.248 paf 1001: const String& Request::mime_type_of(const char* user_file_name_cstr) {
1.104 paf 1002: if(mime_types)
1.248 paf 1003: if(const char* cext=strrchr(user_file_name_cstr, '.')) {
1004: String sext(++cext);
1.246 paf 1005: Table::Action_options options;
1.248 paf 1006: if(mime_types->locate(0, sext.change_case(charsets.source(), String::CC_LOWER), options))
1007: if(const String* result=mime_types->item(1))
1008: return *result;
1.104 paf 1009: else
1.197 paf 1010: throw Exception("parser.runtime",
1.248 paf 1011: 0,
1.212 paf 1012: MIME_TYPES_NAME " table column elements must not be empty");
1.104 paf 1013: }
1.248 paf 1014:
1015: return *new String("application/octet-stream");
1016: }
1017:
1018: #ifdef XML
1019: GdomeDOMString_auto_ptr Request::transcode(const String& s) {
1020: return charsets.source().transcode(s);
1021: }
1022:
1.249 paf 1023: GdomeDOMString_auto_ptr Request::transcode(const String::Body s) {
1.248 paf 1024: return charsets.source().transcode(s);
1025: }
1026:
1027: const String& Request::transcode(GdomeDOMString* s) {
1028: return charsets.source().transcode(s);
1029: }
1030:
1031: const String& Request::transcode(xmlChar* s) {
1032: return charsets.source().transcode(s);
1.233 paf 1033: }
1.248 paf 1034: #endif
1035:
1036:
1037: const Request::Trace Request::Exception_trace::extract_origin(const String*& problem_source) {
1038: Trace result;
1039: if(!is_empty()) {
1040: result=bottom_value();
1041: if(!problem_source) { // we don't know who trigged the bug?
1042: problem_source=result.name(); // consider the stack-top-guy did that
1043: fbottom++;
1044: } else if(result.name()==problem_source) // it is that same guy?
1045: fbottom++; // throw away that trace
1046: // else stack top contains not us,
1047: // leaving result intact
1048: // it would help ^throw
1049: }
1050:
1051: return result;
1052: }
1053:
1054: Request::Exception_details Request::get_details(const Exception& e) {
1055: const String* problem_source=e.problem_source();
1056: Trace trace=exception_trace.extract_origin(problem_source);
1057:
1058: VHash& vhash=*new VHash; HashStringValue& hash=vhash.hash();
1059:
1060: // $.type
1061: if(const char* type=e.type(true))
1062: hash.put(exception_type_part_name, new VString(*new String(type)));
1063:
1064: // $.source
1065: if(problem_source) {
1066: String& source=*new String;
1067: source.append(*problem_source, String::L_TAINTED, true/*forced*/);
1068:
1069: hash.put(exception_source_part_name, new VString(source));
1070: }
1071:
1072: // $.file lineno colno
1073: if(trace) {
1074: const Operation::Origin origin=trace.origin();
1.263 paf 1075: hash.put(String::Body("file"),
1.248 paf 1076: new VString(*new String(file_list[origin.file_no], String::L_TAINTED)));
1.263 paf 1077: hash.put(String::Body("lineno"), new VInt(1+origin.line));
1078: hash.put(String::Body("colno"), new VInt(1+origin.col));
1.248 paf 1079: }
1080:
1081: // $.comment
1082: if(const char* comment=e.comment(true))
1083: hash.put(exception_comment_part_name,
1084: new VString(*new String(comment, 0, true/*tainted*/)));
1085:
1086: // $.handled(0)
1087: hash.put(exception_handled_part_name, new VBool(false));
1.233 paf 1088:
1.248 paf 1089: return Request::Exception_details(trace, problem_source, vhash);
1.133 parser 1090: }
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