Annotation of parser3/src/main/pa_request.C, revision 1.321
1.54 paf 1: /** @file
1.55 paf 2: Parser: request class main part. @see compile.C and execute.C.
3:
1.299 misha 4: Copyright (c) 2001-2009 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:
1.321 ! misha 8: static const char * const IDENT_REQUEST_C="$Date: 2010-05-23 01:06:47 $";
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"
1.297 misha 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:
1.269 paf 39: #define 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"
1.309 misha 52: #define AUTOUSE_METHOD_NAME "autouse"
1.248 paf 53: #define BODY_NAME "body"
54: #define EXCEPTION_TYPE_PART_NAME "type"
55: #define EXCEPTION_SOURCE_PART_NAME "source"
56: #define EXCEPTION_COMMENT_PART_NAME "comment"
57:
58: // globals
59:
60: const String main_method_name(MAIN_METHOD_NAME);
61: const String auto_method_name(AUTO_METHOD_NAME);
1.309 misha 62: const String autouse_method_name(AUTOUSE_METHOD_NAME);
1.311 misha 63:
1.248 paf 64: const String body_name(BODY_NAME);
65: const String exception_type_part_name(EXCEPTION_TYPE_PART_NAME);
66: const String exception_source_part_name(EXCEPTION_SOURCE_PART_NAME);
67: const String exception_comment_part_name(EXCEPTION_COMMENT_PART_NAME);
68: const String exception_handled_part_name(EXCEPTION_HANDLED_PART_NAME);
69:
70: // defines for statics
71:
72: #define CHARSETS_NAME "CHARSETS"
73: #define MIME_TYPES_NAME "MIME-TYPES"
74: #define ORIGINS_MODE_NAME "ORIGINS"
75: #define CONF_METHOD_NAME "conf"
76: #define POST_PROCESS_METHOD_NAME "postprocess"
77: #define DOWNLOAD_NAME "download"
78: #define CLASS_PATH_NAME "CLASS_PATH"
1.277 paf 79: #define RESPONSE_BODY_FILE_NAME "file"
1.248 paf 80:
81: // statics
82:
83: static const String charsets_name(CHARSETS_NAME);
84: static const String main_class_name(MAIN_CLASS_NAME);
85: static const String mime_types_name(MIME_TYPES_NAME);
86: static const String origins_mode_name(ORIGINS_MODE_NAME);
87: static const String conf_method_name(CONF_METHOD_NAME);
88: static const String post_process_method_name(POST_PROCESS_METHOD_NAME);
89: static const String download_name(DOWNLOAD_NAME);
90: static const String class_path_name(CLASS_PATH_NAME);
1.277 paf 91: static const String response_body_file_name(RESPONSE_BODY_FILE_NAME);
1.248 paf 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),
1.307 misha 110: finterrupted(false),
111: fskip(SKIP_NOTHING),
112: fin_cycle(0),
1.248 paf 113:
114: // public
1.183 paf 115: #ifdef RESOURCES_DEBUG
1.248 paf 116: sql_connect_time(0),
117: sql_request_time(0),
118: #endif
119:
120: // public
1.257 paf 121: request_info(arequest_info),
1.248 paf 122: sapi_info(asapi_info),
123: charsets(UTF8_charset, UTF8_charset, UTF8_charset), // default charsets
124:
125: main_class(VClassMAIN_create()),
1.260 paf 126: form(*new VForm(charsets, arequest_info)),
1.248 paf 127: mail(*new VMail),
128: response(*new VResponse(arequest_info, charsets)),
1.298 misha 129: cookie(*new VCookie(charsets, arequest_info)),
1.285 misha 130: console(*new VConsole),
1.248 paf 131:
132: // private
133: configure_admin_done(false),
134:
135: // private defaults
136: fdefault_lang(adefault_lang),
137: // private mime types
138: mime_types(0)
1.157 parser 139: {
1.261 paf 140: pa_register_thread_request(*this);
141:
1.248 paf 142: // file_no=0 => unknown
1.263 paf 143: file_list+=String::Body("UNKNOWN");
144: file_list+=String::Body("-body of process-"); // pseudo_file_no__process
1.186 paf 145:
1.178 paf 146: // maybe expire old caches
1.264 paf 147: cache_managers->maybe_expire();
1.178 paf 148:
1.157 parser 149: /// directly used
1.233 paf 150: // MAIN class, operators
1.235 paf 151: classes().put(main_class.name(), &main_class);
1.157 parser 152: // classes:
153: // table, file, random, mail, image, ...
1.248 paf 154: methoded_array().register_directly_used(*this);
1.157 parser 155:
156: /// methodless
157: // env class
1.249 paf 158: classes().put(String::Body(ENV_CLASS_NAME), new VEnv(asapi_info));
1.175 paf 159: // status class
1.179 paf 160: if(status_allowed)
1.249 paf 161: classes().put(String::Body(STATUS_CLASS_NAME), new VStatus());
1.157 parser 162: // request class
1.294 misha 163: classes().put(String::Body(REQUEST_CLASS_NAME), new VRequest(arequest_info, charsets, form));
1.157 parser 164: // cookie class
1.249 paf 165: classes().put(String::Body(COOKIE_CLASS_NAME), &cookie);
1.253 paf 166: // console class
1.285 misha 167: classes().put(String::Body(CONSOLE_CLASS_NAME), &console);
1.157 parser 168: /// methoded
169: // response class
1.248 paf 170: classes().put(response.get_class()->name(), &response);
1.157 parser 171:
172: /// bases used
173: // form class
1.248 paf 174: classes().put(form.get_class()->base_class()->name(), &form);
1.213 paf 175: // mail class
1.248 paf 176: classes().put(mail.get_class()->base_class()->name(), &mail);
1.157 parser 177: // math class
1.248 paf 178: {
179: Value& math=*new VMath;
180: classes().put(math.get_class()->base_class()->name(), &math);
181: }
182: // memory class
183: {
184: Value& memory=*new VMemory;
185: classes().put(memory.get_class()->base_class()->name(), &memory);
186: }
1.117 paf 187: }
1.192 paf 188:
189: Request::~Request() {
190: #ifdef XML
191: // if for some strange reason xml generic errors failed to be reported, free them up
1.248 paf 192: if(const char* xml_generic_errors=xmlGenericErrors()) {
193: SAPI::log(sapi_info, "warning: unreported xmlGenericErrors: %s", xml_generic_errors);
1.192 paf 194: free((void *)xml_generic_errors);
195: }
196: #endif
197: }
1.236 paf 198:
1.248 paf 199: Value& Request::get_self() { return method_frame/*always have!*/->self(); }
1.192 paf 200:
1.309 misha 201: Value* Request::get_class(const String& name){
202: Value* result=classes().get(name);
1.313 misha 203: if(!result)
1.309 misha 204: if(Value* value=main_class.get_element(autouse_method_name))
205: if(Junction* junction=value->get_junction())
206: if(const Method *method=junction->method) {
207: Value *vname=new VString(name);
208: VMethodFrame frame(*junction, 0/*no parent*/);
209:
210: frame.set_self(main_class);
211: frame.store_params(&vname, 1);
212: // we don't need the result
213: execute_method(frame, *method);
214:
215: result=classes().get(name);
216: }
1.313 misha 217:
1.309 misha 218: return result;
219: }
220:
1.248 paf 221: static void load_charset(HashStringValue::key_type akey,
222: HashStringValue::value_type avalue,
223: Request_charsets* charsets) {
1.249 paf 224: const String::Body NAME=String(akey, String::L_CLEAN).change_case(charsets->source(), String::CC_UPPER);
1.248 paf 225: ::charsets.load_charset(*charsets, NAME, avalue->as_string());
1.208 paf 226: }
1.248 paf 227: void Request::configure_admin(VStateless_class& conf_class) {
1.208 paf 228: if(configure_admin_done)
1.286 misha 229: throw Exception(PARSER_RUNTIME,
1.248 paf 230: 0,
1.208 paf 231: "parser already configured");
232: configure_admin_done=true;
233:
1.227 paf 234: // charsets must only be specified in method_frame config
1.208 paf 235: // so that users would not interfere
236:
237: /* $MAIN:CHARSETS[
238: $.charsetname1[/full/path/to/charset/file.cfg]
239: ...
240: ]
241: */
1.308 misha 242: if(Value* vcharsets=conf_class.get_element(charsets_name)) {
1.240 paf 243: if(!vcharsets->is_string())
1.248 paf 244: if(HashStringValue* charsets=vcharsets->get_hash())
1.281 paf 245: charsets->for_each<Request_charsets*>(load_charset, &this->charsets);
1.240 paf 246: else
1.286 misha 247: throw Exception(PARSER_RUNTIME,
1.240 paf 248: 0,
249: "$" MAIN_CLASS_NAME ":" CHARSETS_NAME " must be hash");
1.208 paf 250: }
251:
1.227 paf 252: // configure method_frame options
1.208 paf 253: // until someone with less privileges have overriden them
1.248 paf 254: methoded_array().configure_admin(*this);
1.208 paf 255: }
1.150 parser 256:
1.269 paf 257: const char* Request::get_exception_cstr(
258: const Exception& e,
259: Request::Exception_details& details) {
260: #define PA_URI_FORMAT "%s: "
261: #define PA_ORIGIN_FILE_POS_FORMAT "%s(%d:%d): "
262: #define PA_SOURCE_FORMAT "'%s' "
263: #define PA_COMMENT_TYPE_FORMAT "%s [%s]"
264: char* result=new(PointerFreeGC) char[MAX_STRING];
265:
266: if(details.problem_source) { // do we know the guy?
267: if(details.trace) { // do whe know where he came from?
268: Operation::Origin origin=details.trace.origin();
269: snprintf(result, MAX_STRING,
270: PA_URI_FORMAT
271: PA_ORIGIN_FILE_POS_FORMAT
272: PA_SOURCE_FORMAT PA_COMMENT_TYPE_FORMAT,
273: request_info.uri,
274: file_list[origin.file_no].cstr(), 1+origin.line, 1+origin.col,
275: details.problem_source->cstr(),
276: e.comment(), e.type()
277: );
278: } else
279: snprintf(result, MAX_STRING,
280: PA_URI_FORMAT
281: PA_SOURCE_FORMAT PA_COMMENT_TYPE_FORMAT,
282: request_info.uri,
283: details.problem_source->cstr(),
284: e.comment(), e.type()
285: );
286: } else
287: snprintf(result, MAX_STRING,
288: PA_URI_FORMAT
289: PA_COMMENT_TYPE_FORMAT,
290: request_info.uri,
291: e.comment(), e.type()
292: );
293:
294: return result;
295: }
1.272 paf 296:
297: void Request::configure() {
298: // configure admin options if not configured yet
299: if(!configure_admin_done)
300: configure_admin(main_class);
301:
302: // configure not-admin=user options
303: methoded_array().configure_user(*this);
304:
305: // $MAIN:MIME-TYPES
1.308 misha 306: if(Value* element=main_class.get_element(mime_types_name))
1.272 paf 307: if(Table *table=element->get_table())
308: mime_types=table;
309: }
1.64 paf 310: /**
311: load MAIN class, execute @main.
312: MAIN class consists of all the auto.p files we'd manage to find
313: plus
314: the file user requested us to process
315: all located classes become children of one another,
316: composing class we name 'MAIN'
1.180 paf 317:
318: @test log stack trace
319:
1.64 paf 320: */
1.248 paf 321: void Request::core(const char* config_filespec, bool config_fail_on_read_problem, bool header_only) {
1.183 paf 322: #ifdef RESOURCES_DEBUG
323: //measures
324: struct timeval mt[10];
325: //measure:before all
326: gettimeofday(&mt[0],NULL);
327: #endif
1.169 parser 328: try {
1.271 paf 329: // filling mail received
330: mail.fill_received(*this);
331:
1.211 paf 332: // loading config
333: if(config_filespec) {
1.248 paf 334: const String& filespec=*new String(config_filespec);
1.318 misha 335: use_file_directly(main_class,
336: filespec,
1.248 paf 337: config_fail_on_read_problem,
338: true /*file must exist if 'fail on read problem' not set*/);
1.29 paf 339: }
1.8 paf 340:
1.72 paf 341: // loading auto.p files from document_root/..
342: // to the one beside requested file.
343: // all assigned bases from upper dir
344: {
1.248 paf 345: const char* after=request_info.path_translated;
346: size_t drlen=strlen(request_info.document_root);
347: if(memcmp(after, request_info.document_root, drlen)==0) {
1.115 paf 348: after+=drlen;
349: if(after[-1]=='/')
350: --after;
351: }
352:
1.248 paf 353: while(const char* before=strchr(after, '/')) {
354: String& sfile_spec=*new String;
355: if(after!=request_info.path_translated) {
356: sfile_spec.append_strdup(
357: request_info.path_translated, before-request_info.path_translated,
358: String::L_CLEAN);
1.152 parser 359: sfile_spec << "/" AUTO_FILE_NAME;
360:
1.318 misha 361: use_file_directly(main_class,
1.248 paf 362: sfile_spec,
363: true /*fail on read problem*/,
364: false /*but ignore absence, sole user*/);
1.115 paf 365: }
1.317 misha 366: for(after=before+1;*after=='/';after++);
1.72 paf 367: }
368: }
1.34 paf 369:
1.272 paf 370: try {
371: // compile requested file
372: String& spath_translated=*new String;
373: spath_translated.append_help_length(request_info.path_translated, 0, String::L_TAINTED);
1.318 misha 374: use_file_directly(main_class, spath_translated);
1.272 paf 375:
376: configure();
377: } catch(...) {
378: configure(); // configure anyway, useful in @unhandled_exception [say, if they would want to mail by SMTP something]
379: rethrow;
380: }
1.25 paf 381:
1.183 paf 382: #ifdef RESOURCES_DEBUG
383: //measure:after compile
384: gettimeofday(&mt[1],NULL);
385: #endif
1.25 paf 386: // execute @main[]
1.248 paf 387: const String* body_string=execute_virtual_method(main_class, main_method_name);
1.41 paf 388: if(!body_string)
1.286 misha 389: throw Exception(PARSER_RUNTIME,
1.248 paf 390: 0,
1.145 parser 391: "'"MAIN_METHOD_NAME"' method not found");
1.79 paf 392:
1.183 paf 393: #ifdef RESOURCES_DEBUG
394: //measure:after main
395: gettimeofday(&mt[2],NULL);
396: #endif
397:
1.250 paf 398: // extract response body
399: Value* body_value=response.fields().get(download_name); // $response:download?
400: bool as_attachment=body_value!=0;
401: if(!body_value)
402: body_value=response.fields().get(body_name); // $response:body
403: if(!body_value)
404: body_value=new VString(*body_string); // just result of ^main[]
405:
1.119 paf 406: // @postprocess
1.308 misha 407: if(Value* value=main_class.get_element(post_process_method_name))
1.248 paf 408: if(Junction* junction=value->get_junction())
1.91 paf 409: if(const Method *method=junction->method) {
410: // preparing to pass parameters to
1.119 paf 411: // @postprocess[data]
1.297 misha 412: VMethodFrame frame(/*method->name, */ *junction, 0/*no parent*/);
1.233 paf 413: frame.set_self(main_class);
1.91 paf 414:
1.300 misha 415: frame.store_params(&body_value, 1);
1.250 paf 416: body_value=&execute_method(frame, *method).as_value();
1.91 paf 417: }
1.90 paf 418:
1.303 misha 419: VFile* body_file=body_value->as_vfile(flang, &charsets);
1.41 paf 420:
1.183 paf 421: #ifdef RESOURCES_DEBUG
422: //measure:after postprocess
423: gettimeofday(&mt[3],NULL);
424: #endif
425:
1.45 paf 426: // OK. write out the result
1.248 paf 427: output_result(body_file, header_only, as_attachment);
1.183 paf 428:
429: #ifdef RESOURCES_DEBUG
430: //measure:after output_result
431: gettimeofday(&mt[9],NULL);
432: t[9]=mt[9].tv_sec+mt[9].tv_usec/1000000.0;
433:
434: double t[10];
435: for(int i=0;i<10;i++)
436: t[i]=mt[i].tv_sec+mt[i].tv_usec/1000000.0;
437: //measure:log2 compile,main,postprocess,output
1.248 paf 438: SAPI::log("rmeasure: %s,%.2f,%.2f,%.2f %.2f,%.2f %.2f",
439: request_info.uri,
1.183 paf 440: t[1]-t[0],
441: t[2]-t[1],
442: t[3]-t[2],
443: sql_connect_time,sql_request_time,
444: t[9]-t[3]
445: );
446: #endif
1.171 parser 447: } catch(const Exception& e) { // request handling problem
1.268 paf 448: try {
1.76 paf 449: // we're returning not result, but error explanation
1.269 paf 450:
451: Request::Exception_details details=get_details(e);
452: const char* exception_cstr=get_exception_cstr(e, details);
1.258 paf 453:
454: // reset language to default
455: flang=fdefault_lang;
456:
457: // reset response
458: response.fields().clear();
459:
460: // this is what we'd return in $response:body
461: const String* body_string=0;
462:
463: // maybe we'd be lucky enough as to report an error
464: // in a gracefull way...
1.308 misha 465: if(Value* value=main_class.get_element(*new String(UNHANDLED_EXCEPTION_METHOD_NAME))) {
1.258 paf 466: if(Junction* junction=value->get_junction()) {
467: if(const Method *method=junction->method) {
1.287 misha 468: // preparing to pass parameters to
469: // @unhandled_exception[exception;stack]
1.297 misha 470: VMethodFrame frame(/*method->name, */ *junction, 0/*no caller*/);
1.287 misha 471: frame.set_self(main_class);
472:
473: // $stack[^table::create{name file lineno colno}]
474: Table::columns_type stack_trace_columns(new ArrayString);
475: *stack_trace_columns+=new String("name");
476: *stack_trace_columns+=new String("file");
477: *stack_trace_columns+=new String("lineno");
478: *stack_trace_columns+=new String("colno");
479: Table& stack_trace=*new Table(stack_trace_columns);
480: if(!exception_trace.is_empty()/*signed!*/)
481: for(size_t i=exception_trace.bottom_index(); i<exception_trace.top_index(); i++) {
482: Trace trace=exception_trace.get(i);
483: Table::element_type row(new ArrayString);
484:
485: *row+=trace.name(); // name column
486: Operation::Origin origin=trace.origin();
487: if(origin.file_no) {
488: *row+=new String(file_list[origin.file_no], String::L_TAINTED); // 'file' column
489: *row+=new String(String::Body::Format(1+origin.line), String::L_CLEAN); // 'lineno' column
490: *row+=new String(String::Body::Format(1+origin.col), String::L_CLEAN); // 'colno' column
491: }
492: stack_trace+=row;
493: }
494:
1.300 misha 495: Value *params[]={&details.vhash, new VTable(&stack_trace)};
496: frame.store_params(params, 2);
1.287 misha 497:
498: // future $response:body=
499: // execute ^unhandled_exception[exception;stack]
500: exception_trace.clear(); // forget all about previous life, in case there would be error inside of this method, error handled would not be mislead by old stack contents (see extract_origin)
501: body_string=&execute_method(frame, *method).as_string();
1.233 paf 502: }
1.30 paf 503: }
1.258 paf 504: }
505:
506: if(!body_string) { // couldn't report an error beautifully?
507: // doing that ugly
508:
509: // future $response:content-type
1.314 misha 510: response.fields().put(http_content_type, new VString(*new String(UNHANDLED_EXCEPTION_CONTENT_TYPE)));
1.258 paf 511: // future $response:body
1.269 paf 512: body_string=new String(exception_cstr);
1.258 paf 513: }
1.41 paf 514:
1.258 paf 515: VString body_vstring(*body_string);
1.303 misha 516: VFile* body_file=body_vstring.as_vfile(flang, &charsets);
1.90 paf 517:
1.273 paf 518: // conditionally log it
519: Value* vhandled=details.vhash.hash().get(exception_handled_part_name);
520: if(!vhandled || !vhandled->as_bool()) {
521: SAPI::log(sapi_info, "%s", exception_cstr);
522: }
523:
1.258 paf 524: // ERROR. write it out
525: output_result(body_file, header_only, false);
1.287 misha 526:
1.273 paf 527: } catch(const Exception& e) { // exception in unhandled exception
1.269 paf 528: Request::Exception_details details=get_details(e);
529: const char* exception_cstr=get_exception_cstr(e, details);
1.273 paf 530: // unconditionally log the beast
531: SAPI::log(sapi_info, "%s", exception_cstr);
1.269 paf 532:
533: throw Exception(0,
534: 0,
535: "in %s",
536: exception_cstr);
1.268 paf 537: }
1.1 paf 538: }
539: }
540:
1.266 paf 541: uint Request::register_file(String::Body file_spec) {
1.248 paf 542: file_list+=file_spec;
543: return file_list.count()-1;
544: }
545:
1.318 misha 546: void Request::use_file_directly(VStateless_class& aclass,
547: const String& file_spec,
548: bool fail_on_read_problem,
549: bool fail_on_file_absence) {
550:
1.73 paf 551: // cyclic dependence check
1.318 misha 552: if(used_files.get(file_spec))
1.248 paf 553: return;
1.318 misha 554: used_files.put(file_spec, true);
555:
556: if(fail_on_read_problem && !fail_on_file_absence) // ignore file absence if asked for
557: if(!entry_exists(file_spec))
558: return;
559:
560: if(const char* source=file_read_text(charsets, file_spec, fail_on_read_problem))
561: use_buf(aclass, source, 0, register_file(file_spec));
562: }
563:
564:
565: void Request::use_file(VStateless_class& aclass,
566: const String& file_name,
567: const String* use_filespec/*absolute*/) {
1.73 paf 568:
1.318 misha 569: const String* filespec=0;
570:
571: if(file_name.first_char()=='/') //absolute path? [no need to scan MAIN:CLASS_PATH]
572: filespec=&absolute(file_name);
573: else if(use_filespec){ // search in current dir first
574: int afterslash=lastposafter(*use_filespec, 0, "/", 1, true);
575: if(afterslash>0)
576: filespec=file_exist(use_filespec->mid(0, afterslash-1), file_name); // found in current dir?
577: }
578:
579: if(!filespec){
580: // prevent multiple scan CLASS_PATH for searching one file
581: if(searched_along_class_path.get(file_name))
582: return;
583: searched_along_class_path.put(file_name, true);
1.308 misha 584: if(Value* element=main_class.get_element(class_path_name)) {
1.233 paf 585: if(element->is_string()) {
1.318 misha 586: filespec=file_exist(absolute(element->as_string()), file_name); // found at class_path?
1.233 paf 587: } else if(Table *table=element->get_table()) {
1.318 misha 588: for(size_t i=table->count(); i--; ) {
1.248 paf 589: const String& path=*(*table->get(i))[0];
1.318 misha 590: if(filespec=file_exist(absolute(path), file_name))
1.233 paf 591: break; // found along class_path
592: }
593: } else
1.286 misha 594: throw Exception(PARSER_RUNTIME,
1.233 paf 595: 0,
596: "$" CLASS_PATH_NAME " must be string or table");
1.318 misha 597: if(!filespec)
1.286 misha 598: throw Exception(PARSER_RUNTIME,
1.233 paf 599: &file_name,
600: "not found along " MAIN_CLASS_NAME ":" CLASS_PATH_NAME);
1.318 misha 601: } else
1.286 misha 602: throw Exception(PARSER_RUNTIME,
1.153 parser 603: &file_name,
1.203 paf 604: "usage failed - no $" MAIN_CLASS_NAME ":" CLASS_PATH_NAME " were specified");
1.148 parser 605: }
1.230 paf 606:
1.318 misha 607: use_file_directly(aclass, *filespec);
1.16 paf 608: }
609:
1.208 paf 610:
1.248 paf 611: void Request::use_buf(VStateless_class& aclass,
1.318 misha 612: const char* source, const String* main_alias,
613: uint file_no,
614: int line_no_offset) {
1.233 paf 615: // temporary zero @conf so to maybe-replace it in compiled code
1.248 paf 616: Temp_method temp_method_conf(aclass, conf_method_name, 0);
1.233 paf 617: // temporary zero @auto so to maybe-replace it in compiled code
1.248 paf 618: Temp_method temp_method_auto(aclass, auto_method_name, 0);
1.233 paf 619:
1.295 misha 620: // compile loaded classes
621: ArrayClass& cclasses=compile(&aclass, source, main_alias, file_no, line_no_offset);
1.212 paf 622:
1.248 paf 623: VString* vfilespec=
624: new VString(*new String(file_list[file_no], String::L_TAINTED));
1.295 misha 625:
626: for(size_t i=0; i<cclasses.count(); i++){
627: VStateless_class& cclass=*cclasses.get(i);
1.296 misha 628:
629: // locate and execute possible @conf[] static
1.295 misha 630: Execute_nonvirtual_method_result executed=execute_nonvirtual_method(cclass,
631: conf_method_name, vfilespec,
632: false/*no string result needed*/);
633: if(executed.method)
634: configure_admin(cclass/*, executed.method->name*/);
635:
636: // locate and execute possible @auto[] static
637: execute_nonvirtual_method(cclass,
638: auto_method_name, vfilespec,
639: false/*no result needed*/);
640: }
1.19 paf 641: }
642:
1.248 paf 643: const String& Request::relative(const char* apath, const String& relative_name) {
644: char *hpath=strdup(apath);
645: String& result=*new String;
646: if(rsplit(hpath, '/')) // if something/splitted
1.217 paf 647: result << hpath << "/";
1.248 paf 648: result << relative_name;
649: return result;
1.19 paf 650: }
651:
1.77 paf 652: const String& Request::absolute(const String& relative_name) {
1.217 paf 653: if(relative_name.first_char()=='/') {
1.248 paf 654: String& result=*new String(strdup(request_info.document_root));
1.104 paf 655: result << relative_name;
1.19 paf 656: return result;
657: } else
1.248 paf 658: if(relative_name.pos("://")!=STRING_NOT_FOUND // something like "http://xxx"
1.247 paf 659: #ifdef WIN32
660: || relative_name.pos(":")==1 // DRIVE:
661: || relative_name.starts_with("\\\\") // UNC1
662: || relative_name.starts_with("//") // UNC2
663: #endif
664: )
665: return relative_name;
666: else
1.248 paf 667: return relative(request_info.path_translated, relative_name);
1.1 paf 668: }
1.45 paf 669:
1.267 paf 670: #ifndef DOXYGEN
671: class Add_header_attribute_info
672: {
673: public:
674: Add_header_attribute_info(Request& ar) : r(ar), add_last_modified(true) {}
675: Request& r;
676: bool add_last_modified;
677: };
678: #endif
1.248 paf 679: static void add_header_attribute(
1.290 misha 680: HashStringValue::key_type name,
681: HashStringValue::value_type value,
1.267 paf 682: Add_header_attribute_info* info) {
1.290 misha 683: if(name==BODY_NAME
684: || name==DOWNLOAD_NAME
685: || name==CHARSET_NAME)
1.101 paf 686: return;
1.290 misha 687:
1.316 misha 688: const char* aname=String(name, String::L_URI).untaint_and_transcode_cstr(String::L_URI, &info->r.charsets);
1.101 paf 689:
1.267 paf 690: SAPI::add_header_attribute(info->r.sapi_info,
1.303 misha 691: aname,
1.316 misha 692: attributed_meaning_to_string(*value, String::L_URI, false).untaint_and_transcode_cstr(String::L_URI, &info->r.charsets)
1.303 misha 693: );
1.267 paf 694:
1.290 misha 695: if(strcasecmp(aname, "last-modified")==0)
1.303 misha 696: info->add_last_modified=false;
1.267 paf 697: }
698:
699: static void output_sole_piece(Request& r,
700: bool header_only,
701: VFile& body_file,
702: Value* body_file_content_type) {
703: // transcode text body when "text/*" or simple result
704: String::C output(body_file.value_ptr(), body_file.value_size());
705: if(!body_file_content_type/*vstring.as_vfile*/ || body_file_content_type->as_string().pos("text/")==0)
706: output=Charset::transcode(output,
707: r.charsets.source(),
708: r.charsets.client());
709:
1.311 misha 710: // prepare header: Content-Length
711: SAPI::add_header_attribute(r.sapi_info, HTTP_CONTENT_LENGTH, format(output.length, "%u"));
1.267 paf 712:
713: // send header
714: SAPI::send_header(r.sapi_info);
715:
716: // send body
717: if(!header_only)
718: SAPI::send_body(r.sapi_info, output.str, output.length);
719: }
720:
721: #ifndef DOXYGEN
722: struct Range
723: {
724: size_t start;
725: size_t end;
726: };
727: #endif
1.313 misha 728: static void parse_range(const String* s, Array<Range> &ar) {
1.267 paf 729: const char *p = s->cstr();
730: if(s->starts_with("bytes="))
731: p += 6;
732: Range r;
733: while(*p){
734: r.start = (size_t)-1;
735: r.end = (size_t)-1;
736: if(*p >= '0' && *p <= '9'){
737: r.start = atol(p);
738: while(*p>='0' && *p<='9') ++p;
739: }
740: if(*p++ != '-') break;
741: if(*p >= '0' && *p <= '9'){
742: r.end = atol(p);
743: while(*p>='0' && *p<='9') ++p;
744: }
745: if(*p == ',') ++p;
746: ar += r;
747: }
1.101 paf 748: }
1.267 paf 749:
750: static void output_pieces(Request& r,
751: bool header_only,
752: const String& filename,
753: size_t content_length,
754: Value& date,
755: bool add_last_modified)
756: {
1.315 misha 757: SAPI::add_header_attribute(r.sapi_info, "accept-ranges", "bytes");
1.270 paf 758:
1.267 paf 759: const size_t BUFSIZE = 10*0x400;
760: char buf[BUFSIZE];
761: const char *range = SAPI::get_env(r.sapi_info, "HTTP_RANGE");
762: size_t offset=0;
763: size_t part_length=content_length;
764: if(range){
765: Array<Range> ar;
766: parse_range(new String(range), ar);
767: size_t count = ar.count();
768: if(count == 1){
769: Range &rg = ar.get_ref(0);
770: if(rg.start == (size_t)-1 && rg.end == (size_t)-1){
1.311 misha 771: SAPI::add_header_attribute(r.sapi_info, HTTP_STATUS, "416 Requested Range Not Satisfiable");
1.267 paf 772: return;
773: }
774: if(rg.start == (size_t)-1 && rg.end != (size_t)-1){
775: rg.start = content_length - rg.end;
776: rg.end = content_length;
777: offset += rg.start;
778: part_length = rg.end-rg.start;
779: }else if(rg.start != (size_t)-1 && rg.end == (size_t)-1){
780: rg.end = content_length-1;
781: offset += rg.start;
782: part_length -= rg.start;
783: }
784: if(part_length == 0){
1.311 misha 785: SAPI::add_header_attribute(r.sapi_info, HTTP_STATUS, "204 No Content");
1.267 paf 786: return;
787: }
1.311 misha 788: SAPI::add_header_attribute(r.sapi_info, HTTP_STATUS, "206 Partial Content");
1.267 paf 789: snprintf(buf, BUFSIZE, "bytes %u-%u/%u", rg.start, rg.end, content_length);
1.315 misha 790: SAPI::add_header_attribute(r.sapi_info, "content-range", buf);
1.267 paf 791: }else if(count != 0){
1.311 misha 792: SAPI::add_header_attribute(r.sapi_info, HTTP_STATUS, "501 Not Implemented");
1.267 paf 793: return;
794: }
795: }
796:
797:
1.311 misha 798: SAPI::add_header_attribute(r.sapi_info, HTTP_CONTENT_LENGTH, format(part_length, "%u"));
1.267 paf 799:
1.314 misha 800: if(add_last_modified)
1.315 misha 801: SAPI::add_header_attribute(r.sapi_info, "last-modified", attributed_meaning_to_string(date, String::L_AS_IS, true).cstr());
1.314 misha 802:
1.267 paf 803: SAPI::send_header(r.sapi_info);
804:
805: const String& filespec=r.absolute(filename);
806:
807: size_t sent = 0;
808: if(!header_only){
809: size_t to_read = 0;
810: size_t size = 0;
811: do{
812: to_read = part_length<BUFSIZE?part_length:BUFSIZE;
813: File_read_result read_result=file_read(r.charsets, filespec,
814: false /*as text*/, 0/*params*/, true/*fail on problem*/,
815: buf, offset, to_read);
816: to_read=read_result.length;
817: if(to_read == 0)
818: break;
819: offset += to_read;
820:
821: size = SAPI::send_body(r.sapi_info, read_result.str, to_read);
822: sent += size;
823: if(size != to_read)
824: break;
825: part_length -= to_read;
826: }while(part_length);
827: }
828: }
829:
1.248 paf 830: void Request::output_result(VFile* body_file, bool header_only, bool as_attachment) {
1.51 paf 831: // header: cookies
1.248 paf 832: cookie.output_result(sapi_info);
1.51 paf 833:
1.314 misha 834: // _file_ content-type might be specified
1.267 paf 835: Value* body_file_content_type=body_file->fields().get(content_type_name);
1.92 paf 836:
1.314 misha 837: // Content-Disposition
1.267 paf 838: Value* vfile_name=body_file->fields().get(name_name);
839: if(!vfile_name) {
840: vfile_name=body_file->fields().get(response_body_file_name);
1.313 misha 841: if(vfile_name) {
842: char* name_cstr=vfile_name->as_string().cstrm();
1.274 paf 843: if(char *after_slash=rsplit(name_cstr, '\\'))
844: name_cstr=after_slash;
845: if(char *after_slash=rsplit(name_cstr, '/'))
846: name_cstr=after_slash;
847: vfile_name=new VString(*new String(name_cstr));
848: }
1.267 paf 849: }
850: if(vfile_name) {
851: const String& sfile_name=vfile_name->as_string();
852: if(sfile_name!=NONAME_DAT) {
1.283 misha 853: VHash& hash=*new VHash();
854: HashStringValue &h=hash.hash();
1.288 misha 855: h.put(value_name, new VString( as_attachment ? content_disposition_attachment : content_disposition_inline ));
1.313 misha 856: h.put(content_disposition_filename_name, vfile_name);
1.283 misha 857:
1.311 misha 858: response.fields().put(content_disposition, &hash);
1.267 paf 859:
860: if(!body_file_content_type)
861: body_file_content_type=new VString(mime_type_of(sfile_name.cstr()));
1.111 paf 862: }
1.267 paf 863: }
864:
1.312 misha 865: // set Content-Type
1.314 misha 866: if(body_file_content_type) {
867: // body file content type
868: response.fields().put(content_type_name, body_file_content_type);
869: } else {
870: // default content type
871: response.fields().put_dont_replace(content_type_name, new VString(*new String(DEFAULT_CONTENT_TYPE)));
872: }
1.312 misha 873:
1.314 misha 874: // prepare header: $response:fields without :body, :download and :charset
1.267 paf 875: Add_header_attribute_info info(*this);
1.281 paf 876: response.fields().for_each<Add_header_attribute_info*>(add_header_attribute, &info);
1.50 paf 877:
1.267 paf 878: if(Value* vresponse_body_file=body_file->fields().get(response_body_file_name)) {
1.314 misha 879: // $response:[download|body][$.file[filespec]] -- optput specified file
1.267 paf 880: const String& sresponse_body_file=vresponse_body_file->as_string();
881: size_t content_length=0;
882: time_t atime=0, mtime=0, ctime=0;
883: file_stat(absolute(sresponse_body_file),
884: content_length,
885: atime, mtime, ctime);
886:
887: VDate* vdate=0;
888: if(Value* v=body_file->fields().get("mdate")) {
1.308 misha 889: if(Value* vdatep=v->as(VDATE_TYPE))
1.267 paf 890: vdate=static_cast<VDate*>(vdatep);
891: else
1.286 misha 892: throw Exception(PARSER_RUNTIME, 0, "mdate must be a date");
1.267 paf 893: }
894: if(!vdate)
895: vdate=new VDate(mtime);
1.62 paf 896:
1.267 paf 897: output_pieces(*this, header_only,
898: sresponse_body_file,
899: content_length,
900: *vdate,
901: info.add_last_modified);
902: } else {
1.314 misha 903: if(body_file_content_type)
904: if(HashStringValue *hash=body_file_content_type->get_hash())
905: body_file_content_type=hash->get(value_name);
906:
1.267 paf 907: output_sole_piece(*this, header_only,
908: *body_file, body_file_content_type);
909: }
1.50 paf 910: }
1.104 paf 911:
1.248 paf 912: const String& Request::mime_type_of(const char* user_file_name_cstr) {
1.104 paf 913: if(mime_types)
1.248 paf 914: if(const char* cext=strrchr(user_file_name_cstr, '.')) {
915: String sext(++cext);
1.246 paf 916: Table::Action_options options;
1.248 paf 917: if(mime_types->locate(0, sext.change_case(charsets.source(), String::CC_LOWER), options))
1.313 misha 918: if(const String* result=mime_types->item(1))
919: return *result;
1.104 paf 920: else
1.286 misha 921: throw Exception(PARSER_RUNTIME,
1.248 paf 922: 0,
1.212 paf 923: MIME_TYPES_NAME " table column elements must not be empty");
1.104 paf 924: }
1.248 paf 925:
926: return *new String("application/octet-stream");
927: }
928:
1.318 misha 929: const String* Request::get_used_filename(uint file_no){
930: if(file_no < file_list.count())
931: return new String(file_list[file_no], String::L_TAINTED);
932: return 0;
933: }
934:
1.248 paf 935: #ifdef XML
1.280 paf 936: xmlChar* Request::transcode(const String& s) {
1.248 paf 937: return charsets.source().transcode(s);
938: }
939:
1.280 paf 940: xmlChar* Request::transcode(const String::Body s) {
1.248 paf 941: return charsets.source().transcode(s);
942: }
943:
1.280 paf 944: const String& Request::transcode(const xmlChar* s) {
1.248 paf 945: return charsets.source().transcode(s);
1.233 paf 946: }
1.248 paf 947: #endif
948:
949:
950: const Request::Trace Request::Exception_trace::extract_origin(const String*& problem_source) {
951: Trace result;
952: if(!is_empty()) {
953: result=bottom_value();
954: if(!problem_source) { // we don't know who trigged the bug?
1.279 paf 955: problem_source=result.name(); // consider the stack-top-guy (we usually know source of next-from-throw-point exception) did that
1.248 paf 956: fbottom++;
957: } else if(result.name()==problem_source) // it is that same guy?
958: fbottom++; // throw away that trace
1.279 paf 959: else {
960: // stack top contains not us,
961: // leaving result intact
962: // it would help ^throw
963: }
1.248 paf 964: }
965:
966: return result;
967: }
968:
969: Request::Exception_details Request::get_details(const Exception& e) {
970: const String* problem_source=e.problem_source();
971: Trace trace=exception_trace.extract_origin(problem_source);
972:
973: VHash& vhash=*new VHash; HashStringValue& hash=vhash.hash();
974:
975: // $.type
976: if(const char* type=e.type(true))
977: hash.put(exception_type_part_name, new VString(*new String(type)));
978:
979: // $.source
980: if(problem_source) {
1.306 misha 981: String& source=*new String(*problem_source, String::L_TAINTED);
1.248 paf 982: hash.put(exception_source_part_name, new VString(source));
983: }
984:
985: // $.file lineno colno
986: if(trace) {
987: const Operation::Origin origin=trace.origin();
1.263 paf 988: hash.put(String::Body("file"),
1.248 paf 989: new VString(*new String(file_list[origin.file_no], String::L_TAINTED)));
1.263 paf 990: hash.put(String::Body("lineno"), new VInt(1+origin.line));
991: hash.put(String::Body("colno"), new VInt(1+origin.col));
1.248 paf 992: }
993:
994: // $.comment
995: if(const char* comment=e.comment(true))
996: hash.put(exception_comment_part_name,
1.302 misha 997: new VString(*new String(comment, String::L_TAINTED)));
1.248 paf 998:
999: // $.handled(0)
1.299 misha 1000: hash.put(exception_handled_part_name, &VBool::get(false));
1.233 paf 1001:
1.248 paf 1002: return Request::Exception_details(trace, problem_source, vhash);
1.133 parser 1003: }
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