Annotation of parser3/src/main/pa_request.C, revision 1.322
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:
1.322 ! moko 8: static const char * const IDENT_REQUEST_C="$Date: 2010-05-25 03:58:25 $";
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);
1.322 ! moko 208: VMethodFrame frame(*method, 0 /*no parent*/, main_class);
1.309 misha 209:
210: frame.store_params(&vname, 1);
211: // we don't need the result
212: execute_method(frame, *method);
213:
214: result=classes().get(name);
215: }
1.313 misha 216:
1.309 misha 217: return result;
218: }
219:
1.248 paf 220: static void load_charset(HashStringValue::key_type akey,
221: HashStringValue::value_type avalue,
222: Request_charsets* charsets) {
1.249 paf 223: const String::Body NAME=String(akey, String::L_CLEAN).change_case(charsets->source(), String::CC_UPPER);
1.248 paf 224: ::charsets.load_charset(*charsets, NAME, avalue->as_string());
1.208 paf 225: }
1.248 paf 226: void Request::configure_admin(VStateless_class& conf_class) {
1.208 paf 227: if(configure_admin_done)
1.286 misha 228: throw Exception(PARSER_RUNTIME,
1.248 paf 229: 0,
1.208 paf 230: "parser already configured");
231: configure_admin_done=true;
232:
1.227 paf 233: // charsets must only be specified in method_frame config
1.208 paf 234: // so that users would not interfere
235:
236: /* $MAIN:CHARSETS[
237: $.charsetname1[/full/path/to/charset/file.cfg]
238: ...
239: ]
240: */
1.308 misha 241: if(Value* vcharsets=conf_class.get_element(charsets_name)) {
1.240 paf 242: if(!vcharsets->is_string())
1.248 paf 243: if(HashStringValue* charsets=vcharsets->get_hash())
1.281 paf 244: charsets->for_each<Request_charsets*>(load_charset, &this->charsets);
1.240 paf 245: else
1.286 misha 246: throw Exception(PARSER_RUNTIME,
1.240 paf 247: 0,
248: "$" MAIN_CLASS_NAME ":" CHARSETS_NAME " must be hash");
1.208 paf 249: }
250:
1.227 paf 251: // configure method_frame options
1.208 paf 252: // until someone with less privileges have overriden them
1.248 paf 253: methoded_array().configure_admin(*this);
1.208 paf 254: }
1.150 parser 255:
1.269 paf 256: const char* Request::get_exception_cstr(
257: const Exception& e,
258: Request::Exception_details& details) {
259: #define PA_URI_FORMAT "%s: "
260: #define PA_ORIGIN_FILE_POS_FORMAT "%s(%d:%d): "
261: #define PA_SOURCE_FORMAT "'%s' "
262: #define PA_COMMENT_TYPE_FORMAT "%s [%s]"
263: char* result=new(PointerFreeGC) char[MAX_STRING];
264:
265: if(details.problem_source) { // do we know the guy?
266: if(details.trace) { // do whe know where he came from?
267: Operation::Origin origin=details.trace.origin();
268: snprintf(result, MAX_STRING,
269: PA_URI_FORMAT
270: PA_ORIGIN_FILE_POS_FORMAT
271: PA_SOURCE_FORMAT PA_COMMENT_TYPE_FORMAT,
272: request_info.uri,
273: file_list[origin.file_no].cstr(), 1+origin.line, 1+origin.col,
274: details.problem_source->cstr(),
275: e.comment(), e.type()
276: );
277: } else
278: snprintf(result, MAX_STRING,
279: PA_URI_FORMAT
280: PA_SOURCE_FORMAT PA_COMMENT_TYPE_FORMAT,
281: request_info.uri,
282: details.problem_source->cstr(),
283: e.comment(), e.type()
284: );
285: } else
286: snprintf(result, MAX_STRING,
287: PA_URI_FORMAT
288: PA_COMMENT_TYPE_FORMAT,
289: request_info.uri,
290: e.comment(), e.type()
291: );
292:
293: return result;
294: }
1.272 paf 295:
296: void Request::configure() {
297: // configure admin options if not configured yet
298: if(!configure_admin_done)
299: configure_admin(main_class);
300:
301: // configure not-admin=user options
302: methoded_array().configure_user(*this);
303:
304: // $MAIN:MIME-TYPES
1.308 misha 305: if(Value* element=main_class.get_element(mime_types_name))
1.272 paf 306: if(Table *table=element->get_table())
307: mime_types=table;
308: }
1.64 paf 309: /**
310: load MAIN class, execute @main.
311: MAIN class consists of all the auto.p files we'd manage to find
312: plus
313: the file user requested us to process
314: all located classes become children of one another,
315: composing class we name 'MAIN'
1.180 paf 316:
317: @test log stack trace
318:
1.64 paf 319: */
1.248 paf 320: void Request::core(const char* config_filespec, bool config_fail_on_read_problem, bool header_only) {
1.183 paf 321: #ifdef RESOURCES_DEBUG
322: //measures
323: struct timeval mt[10];
324: //measure:before all
325: gettimeofday(&mt[0],NULL);
326: #endif
1.169 parser 327: try {
1.271 paf 328: // filling mail received
329: mail.fill_received(*this);
330:
1.211 paf 331: // loading config
332: if(config_filespec) {
1.248 paf 333: const String& filespec=*new String(config_filespec);
1.318 misha 334: use_file_directly(main_class,
335: filespec,
1.248 paf 336: config_fail_on_read_problem,
337: true /*file must exist if 'fail on read problem' not set*/);
1.29 paf 338: }
1.8 paf 339:
1.72 paf 340: // loading auto.p files from document_root/..
341: // to the one beside requested file.
342: // all assigned bases from upper dir
343: {
1.248 paf 344: const char* after=request_info.path_translated;
345: size_t drlen=strlen(request_info.document_root);
346: if(memcmp(after, request_info.document_root, drlen)==0) {
1.115 paf 347: after+=drlen;
348: if(after[-1]=='/')
349: --after;
350: }
351:
1.248 paf 352: while(const char* before=strchr(after, '/')) {
353: String& sfile_spec=*new String;
354: if(after!=request_info.path_translated) {
355: sfile_spec.append_strdup(
356: request_info.path_translated, before-request_info.path_translated,
357: String::L_CLEAN);
1.152 parser 358: sfile_spec << "/" AUTO_FILE_NAME;
359:
1.318 misha 360: use_file_directly(main_class,
1.248 paf 361: sfile_spec,
362: true /*fail on read problem*/,
363: false /*but ignore absence, sole user*/);
1.115 paf 364: }
1.317 misha 365: for(after=before+1;*after=='/';after++);
1.72 paf 366: }
367: }
1.34 paf 368:
1.272 paf 369: try {
370: // compile requested file
371: String& spath_translated=*new String;
372: spath_translated.append_help_length(request_info.path_translated, 0, String::L_TAINTED);
1.318 misha 373: use_file_directly(main_class, spath_translated);
1.272 paf 374:
375: configure();
376: } catch(...) {
377: configure(); // configure anyway, useful in @unhandled_exception [say, if they would want to mail by SMTP something]
378: rethrow;
379: }
1.25 paf 380:
1.183 paf 381: #ifdef RESOURCES_DEBUG
382: //measure:after compile
383: gettimeofday(&mt[1],NULL);
384: #endif
1.25 paf 385: // execute @main[]
1.248 paf 386: const String* body_string=execute_virtual_method(main_class, main_method_name);
1.41 paf 387: if(!body_string)
1.286 misha 388: throw Exception(PARSER_RUNTIME,
1.248 paf 389: 0,
1.145 parser 390: "'"MAIN_METHOD_NAME"' method not found");
1.79 paf 391:
1.183 paf 392: #ifdef RESOURCES_DEBUG
393: //measure:after main
394: gettimeofday(&mt[2],NULL);
395: #endif
396:
1.250 paf 397: // extract response body
398: Value* body_value=response.fields().get(download_name); // $response:download?
399: bool as_attachment=body_value!=0;
400: if(!body_value)
401: body_value=response.fields().get(body_name); // $response:body
402: if(!body_value)
403: body_value=new VString(*body_string); // just result of ^main[]
404:
1.119 paf 405: // @postprocess
1.308 misha 406: if(Value* value=main_class.get_element(post_process_method_name))
1.248 paf 407: if(Junction* junction=value->get_junction())
1.91 paf 408: if(const Method *method=junction->method) {
409: // preparing to pass parameters to
1.119 paf 410: // @postprocess[data]
1.322 ! moko 411: VMethodFrame frame(*method, 0 /*no parent*/, main_class);
1.91 paf 412:
1.300 misha 413: frame.store_params(&body_value, 1);
1.250 paf 414: body_value=&execute_method(frame, *method).as_value();
1.91 paf 415: }
1.90 paf 416:
1.303 misha 417: VFile* body_file=body_value->as_vfile(flang, &charsets);
1.41 paf 418:
1.183 paf 419: #ifdef RESOURCES_DEBUG
420: //measure:after postprocess
421: gettimeofday(&mt[3],NULL);
422: #endif
423:
1.45 paf 424: // OK. write out the result
1.248 paf 425: output_result(body_file, header_only, as_attachment);
1.183 paf 426:
427: #ifdef RESOURCES_DEBUG
428: //measure:after output_result
429: gettimeofday(&mt[9],NULL);
430: t[9]=mt[9].tv_sec+mt[9].tv_usec/1000000.0;
431:
432: double t[10];
433: for(int i=0;i<10;i++)
434: t[i]=mt[i].tv_sec+mt[i].tv_usec/1000000.0;
435: //measure:log2 compile,main,postprocess,output
1.248 paf 436: SAPI::log("rmeasure: %s,%.2f,%.2f,%.2f %.2f,%.2f %.2f",
437: request_info.uri,
1.183 paf 438: t[1]-t[0],
439: t[2]-t[1],
440: t[3]-t[2],
441: sql_connect_time,sql_request_time,
442: t[9]-t[3]
443: );
444: #endif
1.171 parser 445: } catch(const Exception& e) { // request handling problem
1.268 paf 446: try {
1.76 paf 447: // we're returning not result, but error explanation
1.269 paf 448:
449: Request::Exception_details details=get_details(e);
450: const char* exception_cstr=get_exception_cstr(e, details);
1.258 paf 451:
452: // reset language to default
453: flang=fdefault_lang;
454:
455: // reset response
456: response.fields().clear();
457:
458: // this is what we'd return in $response:body
459: const String* body_string=0;
460:
461: // maybe we'd be lucky enough as to report an error
462: // in a gracefull way...
1.308 misha 463: if(Value* value=main_class.get_element(*new String(UNHANDLED_EXCEPTION_METHOD_NAME))) {
1.258 paf 464: if(Junction* junction=value->get_junction()) {
465: if(const Method *method=junction->method) {
1.287 misha 466: // preparing to pass parameters to
467: // @unhandled_exception[exception;stack]
1.322 ! moko 468: VMethodFrame frame(*method, 0 /*no caller*/, main_class);
1.287 misha 469:
470: // $stack[^table::create{name file lineno colno}]
471: Table::columns_type stack_trace_columns(new ArrayString);
472: *stack_trace_columns+=new String("name");
473: *stack_trace_columns+=new String("file");
474: *stack_trace_columns+=new String("lineno");
475: *stack_trace_columns+=new String("colno");
476: Table& stack_trace=*new Table(stack_trace_columns);
477: if(!exception_trace.is_empty()/*signed!*/)
478: for(size_t i=exception_trace.bottom_index(); i<exception_trace.top_index(); i++) {
479: Trace trace=exception_trace.get(i);
480: Table::element_type row(new ArrayString);
481:
482: *row+=trace.name(); // name column
483: Operation::Origin origin=trace.origin();
484: if(origin.file_no) {
485: *row+=new String(file_list[origin.file_no], String::L_TAINTED); // 'file' column
486: *row+=new String(String::Body::Format(1+origin.line), String::L_CLEAN); // 'lineno' column
487: *row+=new String(String::Body::Format(1+origin.col), String::L_CLEAN); // 'colno' column
488: }
489: stack_trace+=row;
490: }
491:
1.300 misha 492: Value *params[]={&details.vhash, new VTable(&stack_trace)};
493: frame.store_params(params, 2);
1.287 misha 494:
495: // future $response:body=
496: // execute ^unhandled_exception[exception;stack]
497: 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)
498: body_string=&execute_method(frame, *method).as_string();
1.233 paf 499: }
1.30 paf 500: }
1.258 paf 501: }
502:
503: if(!body_string) { // couldn't report an error beautifully?
504: // doing that ugly
505:
506: // future $response:content-type
1.314 misha 507: response.fields().put(http_content_type, new VString(*new String(UNHANDLED_EXCEPTION_CONTENT_TYPE)));
1.258 paf 508: // future $response:body
1.269 paf 509: body_string=new String(exception_cstr);
1.258 paf 510: }
1.41 paf 511:
1.258 paf 512: VString body_vstring(*body_string);
1.303 misha 513: VFile* body_file=body_vstring.as_vfile(flang, &charsets);
1.90 paf 514:
1.273 paf 515: // conditionally log it
516: Value* vhandled=details.vhash.hash().get(exception_handled_part_name);
517: if(!vhandled || !vhandled->as_bool()) {
518: SAPI::log(sapi_info, "%s", exception_cstr);
519: }
520:
1.258 paf 521: // ERROR. write it out
522: output_result(body_file, header_only, false);
1.287 misha 523:
1.273 paf 524: } catch(const Exception& e) { // exception in unhandled exception
1.269 paf 525: Request::Exception_details details=get_details(e);
526: const char* exception_cstr=get_exception_cstr(e, details);
1.273 paf 527: // unconditionally log the beast
528: SAPI::log(sapi_info, "%s", exception_cstr);
1.269 paf 529:
530: throw Exception(0,
531: 0,
532: "in %s",
533: exception_cstr);
1.268 paf 534: }
1.1 paf 535: }
536: }
537:
1.266 paf 538: uint Request::register_file(String::Body file_spec) {
1.248 paf 539: file_list+=file_spec;
540: return file_list.count()-1;
541: }
542:
1.318 misha 543: void Request::use_file_directly(VStateless_class& aclass,
544: const String& file_spec,
545: bool fail_on_read_problem,
546: bool fail_on_file_absence) {
547:
1.73 paf 548: // cyclic dependence check
1.318 misha 549: if(used_files.get(file_spec))
1.248 paf 550: return;
1.318 misha 551: used_files.put(file_spec, true);
552:
553: if(fail_on_read_problem && !fail_on_file_absence) // ignore file absence if asked for
554: if(!entry_exists(file_spec))
555: return;
556:
557: if(const char* source=file_read_text(charsets, file_spec, fail_on_read_problem))
558: use_buf(aclass, source, 0, register_file(file_spec));
559: }
560:
561:
562: void Request::use_file(VStateless_class& aclass,
563: const String& file_name,
564: const String* use_filespec/*absolute*/) {
1.73 paf 565:
1.318 misha 566: const String* filespec=0;
567:
568: if(file_name.first_char()=='/') //absolute path? [no need to scan MAIN:CLASS_PATH]
569: filespec=&absolute(file_name);
570: else if(use_filespec){ // search in current dir first
571: int afterslash=lastposafter(*use_filespec, 0, "/", 1, true);
572: if(afterslash>0)
573: filespec=file_exist(use_filespec->mid(0, afterslash-1), file_name); // found in current dir?
574: }
575:
576: if(!filespec){
577: // prevent multiple scan CLASS_PATH for searching one file
578: if(searched_along_class_path.get(file_name))
579: return;
580: searched_along_class_path.put(file_name, true);
1.308 misha 581: if(Value* element=main_class.get_element(class_path_name)) {
1.233 paf 582: if(element->is_string()) {
1.318 misha 583: filespec=file_exist(absolute(element->as_string()), file_name); // found at class_path?
1.233 paf 584: } else if(Table *table=element->get_table()) {
1.318 misha 585: for(size_t i=table->count(); i--; ) {
1.248 paf 586: const String& path=*(*table->get(i))[0];
1.318 misha 587: if(filespec=file_exist(absolute(path), file_name))
1.233 paf 588: break; // found along class_path
589: }
590: } else
1.286 misha 591: throw Exception(PARSER_RUNTIME,
1.233 paf 592: 0,
593: "$" CLASS_PATH_NAME " must be string or table");
1.318 misha 594: if(!filespec)
1.286 misha 595: throw Exception(PARSER_RUNTIME,
1.233 paf 596: &file_name,
597: "not found along " MAIN_CLASS_NAME ":" CLASS_PATH_NAME);
1.318 misha 598: } else
1.286 misha 599: throw Exception(PARSER_RUNTIME,
1.153 parser 600: &file_name,
1.203 paf 601: "usage failed - no $" MAIN_CLASS_NAME ":" CLASS_PATH_NAME " were specified");
1.148 parser 602: }
1.230 paf 603:
1.318 misha 604: use_file_directly(aclass, *filespec);
1.16 paf 605: }
606:
1.208 paf 607:
1.248 paf 608: void Request::use_buf(VStateless_class& aclass,
1.318 misha 609: const char* source, const String* main_alias,
610: uint file_no,
611: int line_no_offset) {
1.233 paf 612: // temporary zero @conf so to maybe-replace it in compiled code
1.248 paf 613: Temp_method temp_method_conf(aclass, conf_method_name, 0);
1.233 paf 614: // temporary zero @auto so to maybe-replace it in compiled code
1.248 paf 615: Temp_method temp_method_auto(aclass, auto_method_name, 0);
1.233 paf 616:
1.295 misha 617: // compile loaded classes
618: ArrayClass& cclasses=compile(&aclass, source, main_alias, file_no, line_no_offset);
1.212 paf 619:
1.248 paf 620: VString* vfilespec=
621: new VString(*new String(file_list[file_no], String::L_TAINTED));
1.295 misha 622:
623: for(size_t i=0; i<cclasses.count(); i++){
624: VStateless_class& cclass=*cclasses.get(i);
1.296 misha 625:
626: // locate and execute possible @conf[] static
1.295 misha 627: Execute_nonvirtual_method_result executed=execute_nonvirtual_method(cclass,
628: conf_method_name, vfilespec,
629: false/*no string result needed*/);
630: if(executed.method)
631: configure_admin(cclass/*, executed.method->name*/);
632:
633: // locate and execute possible @auto[] static
634: execute_nonvirtual_method(cclass,
635: auto_method_name, vfilespec,
636: false/*no result needed*/);
637: }
1.19 paf 638: }
639:
1.248 paf 640: const String& Request::relative(const char* apath, const String& relative_name) {
641: char *hpath=strdup(apath);
642: String& result=*new String;
643: if(rsplit(hpath, '/')) // if something/splitted
1.217 paf 644: result << hpath << "/";
1.248 paf 645: result << relative_name;
646: return result;
1.19 paf 647: }
648:
1.77 paf 649: const String& Request::absolute(const String& relative_name) {
1.217 paf 650: if(relative_name.first_char()=='/') {
1.248 paf 651: String& result=*new String(strdup(request_info.document_root));
1.104 paf 652: result << relative_name;
1.19 paf 653: return result;
654: } else
1.248 paf 655: if(relative_name.pos("://")!=STRING_NOT_FOUND // something like "http://xxx"
1.247 paf 656: #ifdef WIN32
657: || relative_name.pos(":")==1 // DRIVE:
658: || relative_name.starts_with("\\\\") // UNC1
659: || relative_name.starts_with("//") // UNC2
660: #endif
661: )
662: return relative_name;
663: else
1.248 paf 664: return relative(request_info.path_translated, relative_name);
1.1 paf 665: }
1.45 paf 666:
1.267 paf 667: #ifndef DOXYGEN
668: class Add_header_attribute_info
669: {
670: public:
671: Add_header_attribute_info(Request& ar) : r(ar), add_last_modified(true) {}
672: Request& r;
673: bool add_last_modified;
674: };
675: #endif
1.248 paf 676: static void add_header_attribute(
1.290 misha 677: HashStringValue::key_type name,
678: HashStringValue::value_type value,
1.267 paf 679: Add_header_attribute_info* info) {
1.290 misha 680: if(name==BODY_NAME
681: || name==DOWNLOAD_NAME
682: || name==CHARSET_NAME)
1.101 paf 683: return;
1.290 misha 684:
1.316 misha 685: const char* aname=String(name, String::L_URI).untaint_and_transcode_cstr(String::L_URI, &info->r.charsets);
1.101 paf 686:
1.267 paf 687: SAPI::add_header_attribute(info->r.sapi_info,
1.303 misha 688: aname,
1.316 misha 689: attributed_meaning_to_string(*value, String::L_URI, false).untaint_and_transcode_cstr(String::L_URI, &info->r.charsets)
1.303 misha 690: );
1.267 paf 691:
1.290 misha 692: if(strcasecmp(aname, "last-modified")==0)
1.303 misha 693: info->add_last_modified=false;
1.267 paf 694: }
695:
696: static void output_sole_piece(Request& r,
697: bool header_only,
698: VFile& body_file,
699: Value* body_file_content_type) {
700: // transcode text body when "text/*" or simple result
701: String::C output(body_file.value_ptr(), body_file.value_size());
702: if(!body_file_content_type/*vstring.as_vfile*/ || body_file_content_type->as_string().pos("text/")==0)
703: output=Charset::transcode(output,
704: r.charsets.source(),
705: r.charsets.client());
706:
1.311 misha 707: // prepare header: Content-Length
708: SAPI::add_header_attribute(r.sapi_info, HTTP_CONTENT_LENGTH, format(output.length, "%u"));
1.267 paf 709:
710: // send header
711: SAPI::send_header(r.sapi_info);
712:
713: // send body
714: if(!header_only)
715: SAPI::send_body(r.sapi_info, output.str, output.length);
716: }
717:
718: #ifndef DOXYGEN
719: struct Range
720: {
721: size_t start;
722: size_t end;
723: };
724: #endif
1.313 misha 725: static void parse_range(const String* s, Array<Range> &ar) {
1.267 paf 726: const char *p = s->cstr();
727: if(s->starts_with("bytes="))
728: p += 6;
729: Range r;
730: while(*p){
731: r.start = (size_t)-1;
732: r.end = (size_t)-1;
733: if(*p >= '0' && *p <= '9'){
734: r.start = atol(p);
735: while(*p>='0' && *p<='9') ++p;
736: }
737: if(*p++ != '-') break;
738: if(*p >= '0' && *p <= '9'){
739: r.end = atol(p);
740: while(*p>='0' && *p<='9') ++p;
741: }
742: if(*p == ',') ++p;
743: ar += r;
744: }
1.101 paf 745: }
1.267 paf 746:
747: static void output_pieces(Request& r,
748: bool header_only,
749: const String& filename,
750: size_t content_length,
751: Value& date,
752: bool add_last_modified)
753: {
1.315 misha 754: SAPI::add_header_attribute(r.sapi_info, "accept-ranges", "bytes");
1.270 paf 755:
1.267 paf 756: const size_t BUFSIZE = 10*0x400;
757: char buf[BUFSIZE];
758: const char *range = SAPI::get_env(r.sapi_info, "HTTP_RANGE");
759: size_t offset=0;
760: size_t part_length=content_length;
761: if(range){
762: Array<Range> ar;
763: parse_range(new String(range), ar);
764: size_t count = ar.count();
765: if(count == 1){
766: Range &rg = ar.get_ref(0);
767: if(rg.start == (size_t)-1 && rg.end == (size_t)-1){
1.311 misha 768: SAPI::add_header_attribute(r.sapi_info, HTTP_STATUS, "416 Requested Range Not Satisfiable");
1.267 paf 769: return;
770: }
771: if(rg.start == (size_t)-1 && rg.end != (size_t)-1){
772: rg.start = content_length - rg.end;
773: rg.end = content_length;
774: offset += rg.start;
775: part_length = rg.end-rg.start;
776: }else if(rg.start != (size_t)-1 && rg.end == (size_t)-1){
777: rg.end = content_length-1;
778: offset += rg.start;
779: part_length -= rg.start;
780: }
781: if(part_length == 0){
1.311 misha 782: SAPI::add_header_attribute(r.sapi_info, HTTP_STATUS, "204 No Content");
1.267 paf 783: return;
784: }
1.311 misha 785: SAPI::add_header_attribute(r.sapi_info, HTTP_STATUS, "206 Partial Content");
1.267 paf 786: snprintf(buf, BUFSIZE, "bytes %u-%u/%u", rg.start, rg.end, content_length);
1.315 misha 787: SAPI::add_header_attribute(r.sapi_info, "content-range", buf);
1.267 paf 788: }else if(count != 0){
1.311 misha 789: SAPI::add_header_attribute(r.sapi_info, HTTP_STATUS, "501 Not Implemented");
1.267 paf 790: return;
791: }
792: }
793:
794:
1.311 misha 795: SAPI::add_header_attribute(r.sapi_info, HTTP_CONTENT_LENGTH, format(part_length, "%u"));
1.267 paf 796:
1.314 misha 797: if(add_last_modified)
1.315 misha 798: SAPI::add_header_attribute(r.sapi_info, "last-modified", attributed_meaning_to_string(date, String::L_AS_IS, true).cstr());
1.314 misha 799:
1.267 paf 800: SAPI::send_header(r.sapi_info);
801:
802: const String& filespec=r.absolute(filename);
803:
804: size_t sent = 0;
805: if(!header_only){
806: size_t to_read = 0;
807: size_t size = 0;
808: do{
809: to_read = part_length<BUFSIZE?part_length:BUFSIZE;
810: File_read_result read_result=file_read(r.charsets, filespec,
811: false /*as text*/, 0/*params*/, true/*fail on problem*/,
812: buf, offset, to_read);
813: to_read=read_result.length;
814: if(to_read == 0)
815: break;
816: offset += to_read;
817:
818: size = SAPI::send_body(r.sapi_info, read_result.str, to_read);
819: sent += size;
820: if(size != to_read)
821: break;
822: part_length -= to_read;
823: }while(part_length);
824: }
825: }
826:
1.248 paf 827: void Request::output_result(VFile* body_file, bool header_only, bool as_attachment) {
1.51 paf 828: // header: cookies
1.248 paf 829: cookie.output_result(sapi_info);
1.51 paf 830:
1.314 misha 831: // _file_ content-type might be specified
1.267 paf 832: Value* body_file_content_type=body_file->fields().get(content_type_name);
1.92 paf 833:
1.314 misha 834: // Content-Disposition
1.267 paf 835: Value* vfile_name=body_file->fields().get(name_name);
836: if(!vfile_name) {
837: vfile_name=body_file->fields().get(response_body_file_name);
1.313 misha 838: if(vfile_name) {
839: char* name_cstr=vfile_name->as_string().cstrm();
1.274 paf 840: if(char *after_slash=rsplit(name_cstr, '\\'))
841: name_cstr=after_slash;
842: if(char *after_slash=rsplit(name_cstr, '/'))
843: name_cstr=after_slash;
844: vfile_name=new VString(*new String(name_cstr));
845: }
1.267 paf 846: }
847: if(vfile_name) {
848: const String& sfile_name=vfile_name->as_string();
849: if(sfile_name!=NONAME_DAT) {
1.283 misha 850: VHash& hash=*new VHash();
851: HashStringValue &h=hash.hash();
1.288 misha 852: h.put(value_name, new VString( as_attachment ? content_disposition_attachment : content_disposition_inline ));
1.313 misha 853: h.put(content_disposition_filename_name, vfile_name);
1.283 misha 854:
1.311 misha 855: response.fields().put(content_disposition, &hash);
1.267 paf 856:
857: if(!body_file_content_type)
858: body_file_content_type=new VString(mime_type_of(sfile_name.cstr()));
1.111 paf 859: }
1.267 paf 860: }
861:
1.312 misha 862: // set Content-Type
1.314 misha 863: if(body_file_content_type) {
864: // body file content type
865: response.fields().put(content_type_name, body_file_content_type);
866: } else {
867: // default content type
868: response.fields().put_dont_replace(content_type_name, new VString(*new String(DEFAULT_CONTENT_TYPE)));
869: }
1.312 misha 870:
1.314 misha 871: // prepare header: $response:fields without :body, :download and :charset
1.267 paf 872: Add_header_attribute_info info(*this);
1.281 paf 873: response.fields().for_each<Add_header_attribute_info*>(add_header_attribute, &info);
1.50 paf 874:
1.267 paf 875: if(Value* vresponse_body_file=body_file->fields().get(response_body_file_name)) {
1.314 misha 876: // $response:[download|body][$.file[filespec]] -- optput specified file
1.267 paf 877: const String& sresponse_body_file=vresponse_body_file->as_string();
878: size_t content_length=0;
879: time_t atime=0, mtime=0, ctime=0;
880: file_stat(absolute(sresponse_body_file),
881: content_length,
882: atime, mtime, ctime);
883:
884: VDate* vdate=0;
885: if(Value* v=body_file->fields().get("mdate")) {
1.308 misha 886: if(Value* vdatep=v->as(VDATE_TYPE))
1.267 paf 887: vdate=static_cast<VDate*>(vdatep);
888: else
1.286 misha 889: throw Exception(PARSER_RUNTIME, 0, "mdate must be a date");
1.267 paf 890: }
891: if(!vdate)
892: vdate=new VDate(mtime);
1.62 paf 893:
1.267 paf 894: output_pieces(*this, header_only,
895: sresponse_body_file,
896: content_length,
897: *vdate,
898: info.add_last_modified);
899: } else {
1.314 misha 900: if(body_file_content_type)
901: if(HashStringValue *hash=body_file_content_type->get_hash())
902: body_file_content_type=hash->get(value_name);
903:
1.267 paf 904: output_sole_piece(*this, header_only,
905: *body_file, body_file_content_type);
906: }
1.50 paf 907: }
1.104 paf 908:
1.248 paf 909: const String& Request::mime_type_of(const char* user_file_name_cstr) {
1.104 paf 910: if(mime_types)
1.248 paf 911: if(const char* cext=strrchr(user_file_name_cstr, '.')) {
912: String sext(++cext);
1.246 paf 913: Table::Action_options options;
1.248 paf 914: if(mime_types->locate(0, sext.change_case(charsets.source(), String::CC_LOWER), options))
1.313 misha 915: if(const String* result=mime_types->item(1))
916: return *result;
1.104 paf 917: else
1.286 misha 918: throw Exception(PARSER_RUNTIME,
1.248 paf 919: 0,
1.212 paf 920: MIME_TYPES_NAME " table column elements must not be empty");
1.104 paf 921: }
1.248 paf 922:
923: return *new String("application/octet-stream");
924: }
925:
1.318 misha 926: const String* Request::get_used_filename(uint file_no){
927: if(file_no < file_list.count())
928: return new String(file_list[file_no], String::L_TAINTED);
929: return 0;
930: }
931:
1.248 paf 932: #ifdef XML
1.280 paf 933: xmlChar* Request::transcode(const String& s) {
1.248 paf 934: return charsets.source().transcode(s);
935: }
936:
1.280 paf 937: xmlChar* Request::transcode(const String::Body s) {
1.248 paf 938: return charsets.source().transcode(s);
939: }
940:
1.280 paf 941: const String& Request::transcode(const xmlChar* s) {
1.248 paf 942: return charsets.source().transcode(s);
1.233 paf 943: }
1.248 paf 944: #endif
945:
946:
947: const Request::Trace Request::Exception_trace::extract_origin(const String*& problem_source) {
948: Trace result;
949: if(!is_empty()) {
950: result=bottom_value();
951: if(!problem_source) { // we don't know who trigged the bug?
1.279 paf 952: problem_source=result.name(); // consider the stack-top-guy (we usually know source of next-from-throw-point exception) did that
1.248 paf 953: fbottom++;
954: } else if(result.name()==problem_source) // it is that same guy?
955: fbottom++; // throw away that trace
1.279 paf 956: else {
957: // stack top contains not us,
958: // leaving result intact
959: // it would help ^throw
960: }
1.248 paf 961: }
962:
963: return result;
964: }
965:
966: Request::Exception_details Request::get_details(const Exception& e) {
967: const String* problem_source=e.problem_source();
968: Trace trace=exception_trace.extract_origin(problem_source);
969:
970: VHash& vhash=*new VHash; HashStringValue& hash=vhash.hash();
971:
972: // $.type
973: if(const char* type=e.type(true))
974: hash.put(exception_type_part_name, new VString(*new String(type)));
975:
976: // $.source
977: if(problem_source) {
1.306 misha 978: String& source=*new String(*problem_source, String::L_TAINTED);
1.248 paf 979: hash.put(exception_source_part_name, new VString(source));
980: }
981:
982: // $.file lineno colno
983: if(trace) {
984: const Operation::Origin origin=trace.origin();
1.263 paf 985: hash.put(String::Body("file"),
1.248 paf 986: new VString(*new String(file_list[origin.file_no], String::L_TAINTED)));
1.263 paf 987: hash.put(String::Body("lineno"), new VInt(1+origin.line));
988: hash.put(String::Body("colno"), new VInt(1+origin.col));
1.248 paf 989: }
990:
991: // $.comment
992: if(const char* comment=e.comment(true))
993: hash.put(exception_comment_part_name,
1.302 misha 994: new VString(*new String(comment, String::L_TAINTED)));
1.248 paf 995:
996: // $.handled(0)
1.299 misha 997: hash.put(exception_handled_part_name, &VBool::get(false));
1.233 paf 998:
1.248 paf 999: return Request::Exception_details(trace, problem_source, vhash);
1.133 parser 1000: }
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