Annotation of parser3/src/main/pa_request.C, revision 1.349
1.54 paf 1: /** @file
1.55 paf 2: Parser: request class main part. @see compile.C and execute.C.
3:
1.329 moko 4: Copyright (c) 2001-2012 Art. Lebedev Studio (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:
1.69 paf 8: #include "pa_sapi.h"
1.53 paf 9: #include "pa_common.h"
1.1 paf 10: #include "pa_request.h"
1.3 paf 11: #include "pa_wwrapper.h"
12: #include "pa_vclass.h"
1.31 paf 13: #include "pa_globals.h"
1.30 paf 14: #include "pa_vint.h"
1.297 misha 15: #include "pa_vmethod_frame.h"
1.32 paf 16: #include "pa_types.h"
1.248 paf 17: #include "pa_venv.h"
18: #include "pa_vmath.h"
19: #include "pa_vstatus.h"
20: #include "pa_vrequest.h"
1.78 paf 21: #include "pa_vtable.h"
1.90 paf 22: #include "pa_vfile.h"
1.147 parser 23: #include "pa_dictionary.h"
1.208 paf 24: #include "pa_charset.h"
1.186 paf 25: #include "pa_charsets.h"
1.248 paf 26: #include "pa_cache_managers.h"
27: #include "pa_vmail.h"
28: #include "pa_vform.h"
29: #include "pa_vcookie.h"
30: #include "pa_vresponse.h"
31: #include "pa_vmemory.h"
1.253 paf 32: #include "pa_vconsole.h"
1.267 paf 33: #include "pa_vdate.h"
1.159 parser 34:
1.349 ! moko 35: volatile const char * IDENT_PA_REQUEST_C="$Id: pa_request.C,v 1.348 2015/10/20 18:17:19 moko Exp $" IDENT_PA_REQUEST_H IDENT_PA_REQUEST_CHARSETS_H IDENT_PA_REQUEST_INFO_H IDENT_PA_VCONSOLE_H;
1.329 moko 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:
47: // defines for globals
48:
49: #define MAIN_METHOD_NAME "main"
50: #define AUTO_METHOD_NAME "auto"
1.309 misha 51: #define AUTOUSE_METHOD_NAME "autouse"
1.248 paf 52: #define EXCEPTION_TYPE_PART_NAME "type"
53: #define EXCEPTION_SOURCE_PART_NAME "source"
54: #define EXCEPTION_COMMENT_PART_NAME "comment"
55:
56: // globals
57:
58: const String main_method_name(MAIN_METHOD_NAME);
59: const String auto_method_name(AUTO_METHOD_NAME);
1.309 misha 60: const String autouse_method_name(AUTOUSE_METHOD_NAME);
1.311 misha 61:
1.248 paf 62: const String exception_type_part_name(EXCEPTION_TYPE_PART_NAME);
63: const String exception_source_part_name(EXCEPTION_SOURCE_PART_NAME);
64: const String exception_comment_part_name(EXCEPTION_COMMENT_PART_NAME);
65: const String exception_handled_part_name(EXCEPTION_HANDLED_PART_NAME);
66:
67: // defines for statics
68:
69: #define CHARSETS_NAME "CHARSETS"
70: #define MIME_TYPES_NAME "MIME-TYPES"
1.330 moko 71: #define STRICT_VARS_NAME "STRICT-VARS"
1.248 paf 72: #define CONF_METHOD_NAME "conf"
73: #define POST_PROCESS_METHOD_NAME "postprocess"
74: #define CLASS_PATH_NAME "CLASS_PATH"
1.277 paf 75: #define RESPONSE_BODY_FILE_NAME "file"
1.248 paf 76:
1.344 moko 77: #define DOWNLOAD_NAME_UPPER "DOWNLOAD"
78: #define BODY_NAME_UPPER "BODY"
79:
1.248 paf 80: // statics
81:
82: static const String charsets_name(CHARSETS_NAME);
83: static const String main_class_name(MAIN_CLASS_NAME);
84: static const String mime_types_name(MIME_TYPES_NAME);
1.330 moko 85: static const String strict_vars_name(STRICT_VARS_NAME);
1.248 paf 86: static const String conf_method_name(CONF_METHOD_NAME);
87: static const String post_process_method_name(POST_PROCESS_METHOD_NAME);
88: static const String class_path_name(CLASS_PATH_NAME);
1.277 paf 89: static const String response_body_file_name(RESPONSE_BODY_FILE_NAME);
1.248 paf 90:
1.344 moko 91: static const String download_name_upper(DOWNLOAD_NAME_UPPER);
92: static const String body_name_upper(BODY_NAME_UPPER);
93:
94: // more static
95:
96: static const String content_type_name_upper(HTTP_CONTENT_TYPE_UPPER);
97: static const String content_disposition_name_upper(CONTENT_DISPOSITION_UPPER);
98: static const String content_disposition_inline(CONTENT_DISPOSITION_INLINE);
99: static const String content_disposition_attachment(CONTENT_DISPOSITION_ATTACHMENT);
100:
1.248 paf 101: // defines
1.82 paf 102:
1.344 moko 103: #define CHARSET_NAME_UPPER "CHARSET"
104: #define LAST_MODIFIED_NAME_UPPER "LAST-MODIFIED"
105:
1.233 paf 106: // op.C
1.248 paf 107: VStateless_class& VClassMAIN_create();
1.123 paf 108:
1.157 parser 109: //
1.248 paf 110: Request::Request(SAPI_Info& asapi_info, Request_info& arequest_info,
1.325 moko 111: String::Language adefault_lang):
1.248 paf 112: // private
113: anti_endless_execute_recoursion(0),
114:
115: // public
1.335 moko 116: allow_class_replace(false),
1.248 paf 117: method_frame(0),
118: rcontext(0),
119: wcontext(0),
120: flang(adefault_lang),
1.191 paf 121: fconnection(0),
1.307 misha 122: finterrupted(false),
123: fskip(SKIP_NOTHING),
124: fin_cycle(0),
1.248 paf 125:
126: // public
1.257 paf 127: request_info(arequest_info),
1.248 paf 128: sapi_info(asapi_info),
129: charsets(UTF8_charset, UTF8_charset, UTF8_charset), // default charsets
130:
131: main_class(VClassMAIN_create()),
1.260 paf 132: form(*new VForm(charsets, arequest_info)),
1.248 paf 133: mail(*new VMail),
134: response(*new VResponse(arequest_info, charsets)),
1.298 misha 135: cookie(*new VCookie(charsets, arequest_info)),
1.285 misha 136: console(*new VConsole),
1.248 paf 137:
138: // private
139: configure_admin_done(false),
140:
141: // private defaults
142: fdefault_lang(adefault_lang),
143: // private mime types
144: mime_types(0)
1.157 parser 145: {
1.261 paf 146: pa_register_thread_request(*this);
147:
1.248 paf 148: // file_no=0 => unknown
1.347 moko 149: file_list+="UNKNOWN";
150: file_list+="-body of process-"; // pseudo_file_no__process
1.186 paf 151:
1.178 paf 152: // maybe expire old caches
1.264 paf 153: cache_managers->maybe_expire();
1.178 paf 154:
1.157 parser 155: /// directly used
1.233 paf 156: // MAIN class, operators
1.235 paf 157: classes().put(main_class.name(), &main_class);
1.157 parser 158: // classes:
159: // table, file, random, mail, image, ...
1.248 paf 160: methoded_array().register_directly_used(*this);
1.157 parser 161:
162: /// methodless
163: // env class
1.347 moko 164: classes().put(ENV_CLASS_NAME, new VEnv(asapi_info));
1.175 paf 165: // status class
1.347 moko 166: classes().put(STATUS_CLASS_NAME, new VStatus());
1.157 parser 167: // request class
1.347 moko 168: classes().put(REQUEST_CLASS_NAME, new VRequest(arequest_info, charsets, form, asapi_info));
1.157 parser 169: // cookie class
1.347 moko 170: classes().put(COOKIE_CLASS_NAME, &cookie);
1.253 paf 171: // console class
1.347 moko 172: classes().put(CONSOLE_CLASS_NAME, &console);
1.157 parser 173: /// methoded
174: // response class
1.248 paf 175: classes().put(response.get_class()->name(), &response);
1.157 parser 176:
177: /// bases used
178: // form class
1.248 paf 179: classes().put(form.get_class()->base_class()->name(), &form);
1.213 paf 180: // mail class
1.248 paf 181: classes().put(mail.get_class()->base_class()->name(), &mail);
1.157 parser 182: // math class
1.248 paf 183: {
184: Value& math=*new VMath;
185: classes().put(math.get_class()->base_class()->name(), &math);
186: }
187: // memory class
188: {
189: Value& memory=*new VMemory;
190: classes().put(memory.get_class()->base_class()->name(), &memory);
191: }
1.117 paf 192: }
1.192 paf 193:
194: Request::~Request() {
195: #ifdef XML
196: // if for some strange reason xml generic errors failed to be reported, free them up
1.248 paf 197: if(const char* xml_generic_errors=xmlGenericErrors()) {
198: SAPI::log(sapi_info, "warning: unreported xmlGenericErrors: %s", xml_generic_errors);
1.341 moko 199: pa_free((void *)xml_generic_errors);
1.192 paf 200: }
201: #endif
202: }
1.236 paf 203:
1.248 paf 204: Value& Request::get_self() { return method_frame/*always have!*/->self(); }
1.192 paf 205:
1.309 misha 206: Value* Request::get_class(const String& name){
207: Value* result=classes().get(name);
1.313 misha 208: if(!result)
1.309 misha 209: if(Value* value=main_class.get_element(autouse_method_name))
210: if(Junction* junction=value->get_junction())
211: if(const Method *method=junction->method) {
212: Value *vname=new VString(name);
1.322 moko 213: VMethodFrame frame(*method, 0 /*no parent*/, main_class);
1.309 misha 214:
215: frame.store_params(&vname, 1);
216: // we don't need the result
1.323 moko 217: execute_method(frame);
1.309 misha 218:
219: result=classes().get(name);
220: }
1.313 misha 221:
1.309 misha 222: return result;
223: }
224:
1.248 paf 225: static void load_charset(HashStringValue::key_type akey,
226: HashStringValue::value_type avalue,
227: Request_charsets* charsets) {
1.249 paf 228: const String::Body NAME=String(akey, String::L_CLEAN).change_case(charsets->source(), String::CC_UPPER);
1.248 paf 229: ::charsets.load_charset(*charsets, NAME, avalue->as_string());
1.208 paf 230: }
1.248 paf 231: void Request::configure_admin(VStateless_class& conf_class) {
1.208 paf 232: if(configure_admin_done)
1.286 misha 233: throw Exception(PARSER_RUNTIME,
1.248 paf 234: 0,
1.208 paf 235: "parser already configured");
236: configure_admin_done=true;
237:
1.227 paf 238: // charsets must only be specified in method_frame config
1.208 paf 239: // so that users would not interfere
240:
241: /* $MAIN:CHARSETS[
242: $.charsetname1[/full/path/to/charset/file.cfg]
243: ...
244: ]
245: */
1.308 misha 246: if(Value* vcharsets=conf_class.get_element(charsets_name)) {
1.342 moko 247: if(!vcharsets->is_string()) {
1.248 paf 248: if(HashStringValue* charsets=vcharsets->get_hash())
1.281 paf 249: charsets->for_each<Request_charsets*>(load_charset, &this->charsets);
1.240 paf 250: else
1.286 misha 251: throw Exception(PARSER_RUNTIME,
1.240 paf 252: 0,
253: "$" MAIN_CLASS_NAME ":" CHARSETS_NAME " must be hash");
1.342 moko 254: }
1.208 paf 255: }
256:
1.330 moko 257: #ifdef STRICT_VARS
1.332 moko 258: VVoid::strict_vars=false;
1.330 moko 259: if(Value* strict_vars=conf_class.get_element(strict_vars_name)) {
260: if(strict_vars->is_bool())
261: VVoid::strict_vars=strict_vars->as_bool();
262: else
263: throw Exception(PARSER_RUNTIME,
264: 0,
265: "$" MAIN_CLASS_NAME ":" STRICT_VARS_NAME " must be bool");
266: }
267: #endif
268:
1.227 paf 269: // configure method_frame options
1.208 paf 270: // until someone with less privileges have overriden them
1.248 paf 271: methoded_array().configure_admin(*this);
1.208 paf 272: }
1.150 parser 273:
1.349 ! moko 274: const char* Request::get_exception_cstr(const Exception& e, Request::Exception_details& details) {
! 275:
1.269 paf 276: #define PA_URI_FORMAT "%s: "
1.349 ! moko 277: #define PA_COMMENT_TYPE_FORMAT "%s [%s]"
! 278:
1.269 paf 279: #define PA_ORIGIN_FILE_POS_FORMAT "%s(%d:%d): "
280: #define PA_SOURCE_FORMAT "'%s' "
1.349 ! moko 281:
! 282: #define PA_ORIGIN_FILE_POS_VALUE file_list[details.origin.file_no].cstr(), 1+details.origin.line, 1+details.origin.col,
! 283: #define PA_SOURCE_VALUE details.problem_source->cstr(),
! 284:
! 285: #define EXCEPTION_CSTR(f1,v1,f2,v2) \
! 286: snprintf(result, MAX_STRING, \
! 287: PA_URI_FORMAT \
! 288: f1 f2 \
! 289: PA_COMMENT_TYPE_FORMAT, \
! 290: request_info.uri, \
! 291: v1 v2 \
! 292: e.comment(), e.type() \
! 293: );
! 294:
1.269 paf 295: char* result=new(PointerFreeGC) char[MAX_STRING];
296:
297: if(details.problem_source) { // do we know the guy?
1.349 ! moko 298: if(details.origin.file_no) // do whe know where he came from?
! 299: EXCEPTION_CSTR(PA_ORIGIN_FILE_POS_FORMAT, PA_ORIGIN_FILE_POS_VALUE, PA_SOURCE_FORMAT, PA_SOURCE_VALUE)
! 300: else
! 301: EXCEPTION_CSTR(PA_SOURCE_FORMAT, PA_SOURCE_VALUE,,)
! 302: } else {
! 303: if(details.origin.file_no) // do whe know where he came from?
! 304: EXCEPTION_CSTR(PA_ORIGIN_FILE_POS_FORMAT, PA_ORIGIN_FILE_POS_VALUE,,)
! 305: else
! 306: EXCEPTION_CSTR(,,,)
! 307: }
1.269 paf 308:
309: return result;
310: }
1.272 paf 311:
312: void Request::configure() {
313: // configure admin options if not configured yet
314: if(!configure_admin_done)
315: configure_admin(main_class);
316:
317: // configure not-admin=user options
318: methoded_array().configure_user(*this);
319:
320: // $MAIN:MIME-TYPES
1.308 misha 321: if(Value* element=main_class.get_element(mime_types_name))
1.272 paf 322: if(Table *table=element->get_table())
323: mime_types=table;
324: }
1.64 paf 325: /**
326: load MAIN class, execute @main.
327: MAIN class consists of all the auto.p files we'd manage to find
328: plus
329: the file user requested us to process
330: all located classes become children of one another,
331: composing class we name 'MAIN'
1.180 paf 332:
333: @test log stack trace
334:
1.64 paf 335: */
1.248 paf 336: void Request::core(const char* config_filespec, bool config_fail_on_read_problem, bool header_only) {
1.169 parser 337: try {
1.211 paf 338: // loading config
339: if(config_filespec) {
1.248 paf 340: const String& filespec=*new String(config_filespec);
1.318 misha 341: use_file_directly(main_class,
342: filespec,
1.248 paf 343: config_fail_on_read_problem,
344: true /*file must exist if 'fail on read problem' not set*/);
1.29 paf 345: }
1.8 paf 346:
1.338 moko 347: // filling mail received
348: mail.fill_received(*this);
349:
1.72 paf 350: // loading auto.p files from document_root/..
351: // to the one beside requested file.
352: // all assigned bases from upper dir
353: {
1.248 paf 354: const char* after=request_info.path_translated;
355: size_t drlen=strlen(request_info.document_root);
356: if(memcmp(after, request_info.document_root, drlen)==0) {
1.115 paf 357: after+=drlen;
358: if(after[-1]=='/')
359: --after;
360: }
361:
1.248 paf 362: while(const char* before=strchr(after, '/')) {
363: String& sfile_spec=*new String;
364: if(after!=request_info.path_translated) {
365: sfile_spec.append_strdup(
366: request_info.path_translated, before-request_info.path_translated,
367: String::L_CLEAN);
1.152 parser 368: sfile_spec << "/" AUTO_FILE_NAME;
369:
1.318 misha 370: use_file_directly(main_class,
1.248 paf 371: sfile_spec,
372: true /*fail on read problem*/,
373: false /*but ignore absence, sole user*/);
1.115 paf 374: }
1.317 misha 375: for(after=before+1;*after=='/';after++);
1.72 paf 376: }
377: }
1.34 paf 378:
1.272 paf 379: try {
380: // compile requested file
381: String& spath_translated=*new String;
382: spath_translated.append_help_length(request_info.path_translated, 0, String::L_TAINTED);
1.318 misha 383: use_file_directly(main_class, spath_translated);
1.272 paf 384:
385: configure();
386: } catch(...) {
387: configure(); // configure anyway, useful in @unhandled_exception [say, if they would want to mail by SMTP something]
388: rethrow;
389: }
1.25 paf 390:
391: // execute @main[]
1.248 paf 392: const String* body_string=execute_virtual_method(main_class, main_method_name);
1.41 paf 393: if(!body_string)
1.286 misha 394: throw Exception(PARSER_RUNTIME,
1.248 paf 395: 0,
1.340 moko 396: "'" MAIN_METHOD_NAME "' method not found");
1.79 paf 397:
1.250 paf 398: // extract response body
1.344 moko 399: Value* body_value=response.fields().get(download_name_upper); // $response:download?
1.250 paf 400: bool as_attachment=body_value!=0;
401: if(!body_value)
1.344 moko 402: body_value=response.fields().get(body_name_upper); // $response:body
1.250 paf 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]
1.322 moko 412: VMethodFrame frame(*method, 0 /*no parent*/, main_class);
1.91 paf 413:
1.300 misha 414: frame.store_params(&body_value, 1);
1.323 moko 415: execute_method(frame);
416:
417: body_value=&frame.result().as_value();
1.91 paf 418: }
1.90 paf 419:
1.303 misha 420: VFile* body_file=body_value->as_vfile(flang, &charsets);
1.41 paf 421:
1.45 paf 422: // OK. write out the result
1.248 paf 423: output_result(body_file, header_only, as_attachment);
1.183 paf 424:
1.171 parser 425: } catch(const Exception& e) { // request handling problem
1.268 paf 426: try {
1.76 paf 427: // we're returning not result, but error explanation
1.269 paf 428:
429: Request::Exception_details details=get_details(e);
430: const char* exception_cstr=get_exception_cstr(e, details);
1.258 paf 431:
432: // reset language to default
433: flang=fdefault_lang;
434:
435: // reset response
436: response.fields().clear();
437:
438: // this is what we'd return in $response:body
439: const String* body_string=0;
440:
441: // maybe we'd be lucky enough as to report an error
442: // in a gracefull way...
1.308 misha 443: if(Value* value=main_class.get_element(*new String(UNHANDLED_EXCEPTION_METHOD_NAME))) {
1.258 paf 444: if(Junction* junction=value->get_junction()) {
445: if(const Method *method=junction->method) {
1.287 misha 446: // preparing to pass parameters to
447: // @unhandled_exception[exception;stack]
448:
449: // $stack[^table::create{name file lineno colno}]
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!*/)
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
467: }
468: stack_trace+=row;
469: }
470:
1.323 moko 471: // future $response:body=
472: // execute ^unhandled_exception[exception;stack]
473: 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)
474:
475: VMethodFrame frame(*method, 0 /*no caller*/, main_class);
1.300 misha 476: Value *params[]={&details.vhash, new VTable(&stack_trace)};
1.323 moko 477:
1.300 misha 478: frame.store_params(params, 2);
1.323 moko 479: execute_method(frame);
1.287 misha 480:
1.323 moko 481: body_string=&frame.result().as_string();
1.233 paf 482: }
1.30 paf 483: }
1.258 paf 484: }
485:
486: if(!body_string) { // couldn't report an error beautifully?
487: // doing that ugly
488:
489: // future $response:content-type
1.344 moko 490: response.fields().put(content_type_name_upper, new VString(*new String(UNHANDLED_EXCEPTION_CONTENT_TYPE)));
1.258 paf 491: // future $response:body
1.269 paf 492: body_string=new String(exception_cstr);
1.258 paf 493: }
1.41 paf 494:
1.258 paf 495: VString body_vstring(*body_string);
1.303 misha 496: VFile* body_file=body_vstring.as_vfile(flang, &charsets);
1.90 paf 497:
1.273 paf 498: // conditionally log it
499: Value* vhandled=details.vhash.hash().get(exception_handled_part_name);
500: if(!vhandled || !vhandled->as_bool()) {
501: SAPI::log(sapi_info, "%s", exception_cstr);
502: }
503:
1.258 paf 504: // ERROR. write it out
505: output_result(body_file, header_only, false);
1.287 misha 506:
1.273 paf 507: } catch(const Exception& e) { // exception in unhandled exception
1.269 paf 508: Request::Exception_details details=get_details(e);
509: const char* exception_cstr=get_exception_cstr(e, details);
1.273 paf 510: // unconditionally log the beast
511: SAPI::log(sapi_info, "%s", exception_cstr);
1.269 paf 512:
513: throw Exception(0,
514: 0,
515: "in %s",
516: exception_cstr);
1.268 paf 517: }
1.1 paf 518: }
519: }
520:
1.266 paf 521: uint Request::register_file(String::Body file_spec) {
1.248 paf 522: file_list+=file_spec;
523: return file_list.count()-1;
524: }
525:
1.318 misha 526: void Request::use_file_directly(VStateless_class& aclass,
527: const String& file_spec,
528: bool fail_on_read_problem,
529: bool fail_on_file_absence) {
530:
1.73 paf 531: // cyclic dependence check
1.318 misha 532: if(used_files.get(file_spec))
1.248 paf 533: return;
1.318 misha 534: used_files.put(file_spec, true);
535:
536: if(fail_on_read_problem && !fail_on_file_absence) // ignore file absence if asked for
537: if(!entry_exists(file_spec))
538: return;
539:
540: if(const char* source=file_read_text(charsets, file_spec, fail_on_read_problem))
541: use_buf(aclass, source, 0, register_file(file_spec));
542: }
543:
544:
1.349 ! moko 545: void Request::use_file(VStateless_class& aclass, const String& file_name, const String* use_filespec/*absolute*/) {
1.73 paf 546:
1.326 misha 547: if(file_name.is_empty())
548: throw Exception(PARSER_RUNTIME,
549: 0,
550: "usage failed - no filename was specified");
551:
1.318 misha 552: const String* filespec=0;
553:
554: if(file_name.first_char()=='/') //absolute path? [no need to scan MAIN:CLASS_PATH]
555: filespec=&absolute(file_name);
556: else if(use_filespec){ // search in current dir first
1.331 misha 557: size_t last_slash_pos=use_filespec->strrpbrk("/");
558: if(last_slash_pos!=STRING_NOT_FOUND)
559: filespec=file_exist(use_filespec->mid(0, last_slash_pos), file_name); // found in current dir?
1.318 misha 560: }
561:
562: if(!filespec){
563: // prevent multiple scan CLASS_PATH for searching one file
564: if(searched_along_class_path.get(file_name))
565: return;
566: searched_along_class_path.put(file_name, true);
1.308 misha 567: if(Value* element=main_class.get_element(class_path_name)) {
1.233 paf 568: if(element->is_string()) {
1.318 misha 569: filespec=file_exist(absolute(element->as_string()), file_name); // found at class_path?
1.233 paf 570: } else if(Table *table=element->get_table()) {
1.318 misha 571: for(size_t i=table->count(); i--; ) {
1.248 paf 572: const String& path=*(*table->get(i))[0];
1.318 misha 573: if(filespec=file_exist(absolute(path), file_name))
1.233 paf 574: break; // found along class_path
575: }
576: } else
1.286 misha 577: throw Exception(PARSER_RUNTIME,
1.233 paf 578: 0,
579: "$" CLASS_PATH_NAME " must be string or table");
1.318 misha 580: if(!filespec)
1.286 misha 581: throw Exception(PARSER_RUNTIME,
1.233 paf 582: &file_name,
583: "not found along " MAIN_CLASS_NAME ":" CLASS_PATH_NAME);
1.318 misha 584: } else
1.286 misha 585: throw Exception(PARSER_RUNTIME,
1.153 parser 586: &file_name,
1.203 paf 587: "usage failed - no $" MAIN_CLASS_NAME ":" CLASS_PATH_NAME " were specified");
1.148 parser 588: }
1.230 paf 589:
1.318 misha 590: use_file_directly(aclass, *filespec);
1.16 paf 591: }
592:
1.349 ! moko 593: void Request::use_file(VStateless_class& aclass, const String& file_name, const String* use_filespec/*absolute*/, Operation::Origin origin) {
! 594: static String use("USE");
! 595: try {
! 596: use_file(aclass, file_name, use_filespec);
! 597: } catch (...) {
! 598: exception_trace.push(Trace(&use, origin));
! 599: rethrow;
! 600: }
! 601: }
1.208 paf 602:
1.248 paf 603: void Request::use_buf(VStateless_class& aclass,
1.318 misha 604: const char* source, const String* main_alias,
605: uint file_no,
606: int line_no_offset) {
1.233 paf 607: // temporary zero @conf so to maybe-replace it in compiled code
1.248 paf 608: Temp_method temp_method_conf(aclass, conf_method_name, 0);
1.233 paf 609: // temporary zero @auto so to maybe-replace it in compiled code
1.248 paf 610: Temp_method temp_method_auto(aclass, auto_method_name, 0);
1.233 paf 611:
1.295 misha 612: // compile loaded classes
613: ArrayClass& cclasses=compile(&aclass, source, main_alias, file_no, line_no_offset);
1.212 paf 614:
1.248 paf 615: VString* vfilespec=
616: new VString(*new String(file_list[file_no], String::L_TAINTED));
1.295 misha 617:
618: for(size_t i=0; i<cclasses.count(); i++){
619: VStateless_class& cclass=*cclasses.get(i);
1.296 misha 620:
621: // locate and execute possible @conf[] static
1.295 misha 622: Execute_nonvirtual_method_result executed=execute_nonvirtual_method(cclass,
623: conf_method_name, vfilespec,
624: false/*no string result needed*/);
625: if(executed.method)
626: configure_admin(cclass/*, executed.method->name*/);
627:
628: // locate and execute possible @auto[] static
629: execute_nonvirtual_method(cclass,
630: auto_method_name, vfilespec,
631: false/*no result needed*/);
1.336 moko 632:
633: cclass.enable_default_setter();
1.295 misha 634: }
1.19 paf 635: }
636:
1.248 paf 637: const String& Request::relative(const char* apath, const String& relative_name) {
1.341 moko 638: char *hpath=pa_strdup(apath);
1.248 paf 639: String& result=*new String;
640: if(rsplit(hpath, '/')) // if something/splitted
1.217 paf 641: result << hpath << "/";
1.248 paf 642: result << relative_name;
643: return result;
1.19 paf 644: }
645:
1.77 paf 646: const String& Request::absolute(const String& relative_name) {
1.217 paf 647: if(relative_name.first_char()=='/') {
1.341 moko 648: String& result=*new String(pa_strdup(request_info.document_root));
1.104 paf 649: result << relative_name;
1.19 paf 650: return result;
651: } else
1.248 paf 652: if(relative_name.pos("://")!=STRING_NOT_FOUND // something like "http://xxx"
1.247 paf 653: #ifdef WIN32
654: || relative_name.pos(":")==1 // DRIVE:
655: || relative_name.starts_with("\\\\") // UNC1
656: || relative_name.starts_with("//") // UNC2
657: #endif
658: )
659: return relative_name;
660: else
1.248 paf 661: return relative(request_info.path_translated, relative_name);
1.1 paf 662: }
1.45 paf 663:
1.267 paf 664: #ifndef DOXYGEN
665: class Add_header_attribute_info
666: {
667: public:
668: Add_header_attribute_info(Request& ar) : r(ar), add_last_modified(true) {}
669: Request& r;
670: bool add_last_modified;
671: };
672: #endif
1.344 moko 673: static void add_header_attribute(HashStringValue::key_type name, HashStringValue::value_type value, Add_header_attribute_info* info) {
674: if(name==BODY_NAME_UPPER || name==DOWNLOAD_NAME_UPPER || name==CHARSET_NAME_UPPER)
1.101 paf 675: return;
1.290 misha 676:
1.345 moko 677: if(name==LAST_MODIFIED_NAME_UPPER)
678: info->add_last_modified=false;
679:
1.316 misha 680: const char* aname=String(name, String::L_URI).untaint_and_transcode_cstr(String::L_URI, &info->r.charsets);
1.101 paf 681:
1.267 paf 682: SAPI::add_header_attribute(info->r.sapi_info,
1.345 moko 683: aname,
1.316 misha 684: attributed_meaning_to_string(*value, String::L_URI, false).untaint_and_transcode_cstr(String::L_URI, &info->r.charsets)
1.303 misha 685: );
1.267 paf 686: }
687:
688: static void output_sole_piece(Request& r,
689: bool header_only,
690: VFile& body_file,
691: Value* body_file_content_type) {
692: // transcode text body when "text/*" or simple result
693: String::C output(body_file.value_ptr(), body_file.value_size());
694: if(!body_file_content_type/*vstring.as_vfile*/ || body_file_content_type->as_string().pos("text/")==0)
695: output=Charset::transcode(output,
696: r.charsets.source(),
697: r.charsets.client());
698:
1.311 misha 699: // prepare header: Content-Length
700: SAPI::add_header_attribute(r.sapi_info, HTTP_CONTENT_LENGTH, format(output.length, "%u"));
1.267 paf 701:
702: // send header
703: SAPI::send_header(r.sapi_info);
704:
705: // send body
706: if(!header_only)
707: SAPI::send_body(r.sapi_info, output.str, output.length);
708: }
709:
710: #ifndef DOXYGEN
711: struct Range
712: {
713: size_t start;
714: size_t end;
715: };
716: #endif
1.313 misha 717: static void parse_range(const String* s, Array<Range> &ar) {
1.267 paf 718: const char *p = s->cstr();
719: if(s->starts_with("bytes="))
720: p += 6;
721: Range r;
722: while(*p){
723: r.start = (size_t)-1;
724: r.end = (size_t)-1;
725: if(*p >= '0' && *p <= '9'){
726: r.start = atol(p);
727: while(*p>='0' && *p<='9') ++p;
728: }
729: if(*p++ != '-') break;
730: if(*p >= '0' && *p <= '9'){
731: r.end = atol(p);
732: while(*p>='0' && *p<='9') ++p;
733: }
734: if(*p == ',') ++p;
735: ar += r;
736: }
1.101 paf 737: }
1.267 paf 738:
739: static void output_pieces(Request& r,
740: bool header_only,
741: const String& filename,
742: size_t content_length,
743: Value& date,
744: bool add_last_modified)
745: {
1.315 misha 746: SAPI::add_header_attribute(r.sapi_info, "accept-ranges", "bytes");
1.270 paf 747:
1.267 paf 748: const size_t BUFSIZE = 10*0x400;
749: char buf[BUFSIZE];
1.339 moko 750: const char *range = SAPI::Env::get(r.sapi_info, "HTTP_RANGE");
1.267 paf 751: size_t offset=0;
752: size_t part_length=content_length;
753: if(range){
754: Array<Range> ar;
755: parse_range(new String(range), ar);
756: size_t count = ar.count();
757: if(count == 1){
758: Range &rg = ar.get_ref(0);
759: if(rg.start == (size_t)-1 && rg.end == (size_t)-1){
1.311 misha 760: SAPI::add_header_attribute(r.sapi_info, HTTP_STATUS, "416 Requested Range Not Satisfiable");
1.267 paf 761: return;
762: }
763: if(rg.start == (size_t)-1 && rg.end != (size_t)-1){
764: rg.start = content_length - rg.end;
765: rg.end = content_length;
766: offset += rg.start;
767: part_length = rg.end-rg.start;
768: }else if(rg.start != (size_t)-1 && rg.end == (size_t)-1){
769: rg.end = content_length-1;
770: offset += rg.start;
771: part_length -= rg.start;
772: }
773: if(part_length == 0){
1.311 misha 774: SAPI::add_header_attribute(r.sapi_info, HTTP_STATUS, "204 No Content");
1.267 paf 775: return;
776: }
1.311 misha 777: SAPI::add_header_attribute(r.sapi_info, HTTP_STATUS, "206 Partial Content");
1.267 paf 778: snprintf(buf, BUFSIZE, "bytes %u-%u/%u", rg.start, rg.end, content_length);
1.315 misha 779: SAPI::add_header_attribute(r.sapi_info, "content-range", buf);
1.267 paf 780: }else if(count != 0){
1.311 misha 781: SAPI::add_header_attribute(r.sapi_info, HTTP_STATUS, "501 Not Implemented");
1.267 paf 782: return;
783: }
784: }
785:
786:
1.311 misha 787: SAPI::add_header_attribute(r.sapi_info, HTTP_CONTENT_LENGTH, format(part_length, "%u"));
1.267 paf 788:
1.314 misha 789: if(add_last_modified)
1.315 misha 790: SAPI::add_header_attribute(r.sapi_info, "last-modified", attributed_meaning_to_string(date, String::L_AS_IS, true).cstr());
1.314 misha 791:
1.267 paf 792: SAPI::send_header(r.sapi_info);
793:
794: const String& filespec=r.absolute(filename);
795:
796: size_t sent = 0;
797: if(!header_only){
798: size_t to_read = 0;
799: size_t size = 0;
800: do{
801: to_read = part_length<BUFSIZE?part_length:BUFSIZE;
802: File_read_result read_result=file_read(r.charsets, filespec,
803: false /*as text*/, 0/*params*/, true/*fail on problem*/,
804: buf, offset, to_read);
805: to_read=read_result.length;
806: if(to_read == 0)
807: break;
808: offset += to_read;
809:
810: size = SAPI::send_body(r.sapi_info, read_result.str, to_read);
811: sent += size;
812: if(size != to_read)
813: break;
814: part_length -= to_read;
815: }while(part_length);
816: }
817: }
818:
1.248 paf 819: void Request::output_result(VFile* body_file, bool header_only, bool as_attachment) {
1.51 paf 820: // header: cookies
1.248 paf 821: cookie.output_result(sapi_info);
1.51 paf 822:
1.314 misha 823: // _file_ content-type might be specified
1.267 paf 824: Value* body_file_content_type=body_file->fields().get(content_type_name);
1.92 paf 825:
1.314 misha 826: // Content-Disposition
1.267 paf 827: Value* vfile_name=body_file->fields().get(name_name);
828: if(!vfile_name) {
829: vfile_name=body_file->fields().get(response_body_file_name);
1.313 misha 830: if(vfile_name) {
831: char* name_cstr=vfile_name->as_string().cstrm();
1.274 paf 832: if(char *after_slash=rsplit(name_cstr, '\\'))
833: name_cstr=after_slash;
834: if(char *after_slash=rsplit(name_cstr, '/'))
835: name_cstr=after_slash;
1.327 misha 836: vfile_name=new VString(*new String(name_cstr));
1.274 paf 837: }
1.267 paf 838: }
839: if(vfile_name) {
840: const String& sfile_name=vfile_name->as_string();
841: if(sfile_name!=NONAME_DAT) {
1.283 misha 842: VHash& hash=*new VHash();
843: HashStringValue &h=hash.hash();
1.288 misha 844: h.put(value_name, new VString( as_attachment ? content_disposition_attachment : content_disposition_inline ));
1.343 moko 845: h.put(content_disposition_filename_name, new VString(*new String(sfile_name, String::L_HTTP_HEADER)));
1.283 misha 846:
1.344 moko 847: response.fields().put(content_disposition_name_upper, &hash);
1.267 paf 848:
849: if(!body_file_content_type)
850: body_file_content_type=new VString(mime_type_of(sfile_name.cstr()));
1.111 paf 851: }
1.267 paf 852: }
853:
1.312 misha 854: // set Content-Type
1.314 misha 855: if(body_file_content_type) {
856: // body file content type
1.344 moko 857: response.fields().put(content_type_name_upper, body_file_content_type);
1.314 misha 858: } else {
859: // default content type
1.344 moko 860: response.fields().put_dont_replace(content_type_name_upper, new VString(*new String(DEFAULT_CONTENT_TYPE)));
1.314 misha 861: }
1.312 misha 862:
1.314 misha 863: // prepare header: $response:fields without :body, :download and :charset
1.267 paf 864: Add_header_attribute_info info(*this);
1.281 paf 865: response.fields().for_each<Add_header_attribute_info*>(add_header_attribute, &info);
1.50 paf 866:
1.267 paf 867: if(Value* vresponse_body_file=body_file->fields().get(response_body_file_name)) {
1.314 misha 868: // $response:[download|body][$.file[filespec]] -- optput specified file
1.267 paf 869: const String& sresponse_body_file=vresponse_body_file->as_string();
870: size_t content_length=0;
871: time_t atime=0, mtime=0, ctime=0;
872: file_stat(absolute(sresponse_body_file),
873: content_length,
874: atime, mtime, ctime);
875:
876: VDate* vdate=0;
877: if(Value* v=body_file->fields().get("mdate")) {
1.308 misha 878: if(Value* vdatep=v->as(VDATE_TYPE))
1.267 paf 879: vdate=static_cast<VDate*>(vdatep);
880: else
1.286 misha 881: throw Exception(PARSER_RUNTIME, 0, "mdate must be a date");
1.267 paf 882: }
883: if(!vdate)
1.346 moko 884: vdate=new VDate((pa_time_t)mtime);
1.62 paf 885:
1.267 paf 886: output_pieces(*this, header_only,
887: sresponse_body_file,
888: content_length,
889: *vdate,
890: info.add_last_modified);
891: } else {
1.314 misha 892: if(body_file_content_type)
893: if(HashStringValue *hash=body_file_content_type->get_hash())
894: body_file_content_type=hash->get(value_name);
895:
1.267 paf 896: output_sole_piece(*this, header_only,
897: *body_file, body_file_content_type);
898: }
1.50 paf 899: }
1.104 paf 900:
1.328 misha 901: const String& Request::mime_type_of(const String* file_name) {
902: return mime_type_of(file_name?file_name->taint_cstr(String::L_FILE_SPEC):0);
903: }
904:
1.248 paf 905: const String& Request::mime_type_of(const char* user_file_name_cstr) {
1.104 paf 906: if(mime_types)
1.248 paf 907: if(const char* cext=strrchr(user_file_name_cstr, '.')) {
908: String sext(++cext);
1.246 paf 909: Table::Action_options options;
1.342 moko 910: if(mime_types->locate(0, sext.change_case(charsets.source(), String::CC_LOWER), options)) {
1.313 misha 911: if(const String* result=mime_types->item(1))
912: return *result;
1.104 paf 913: else
1.286 misha 914: throw Exception(PARSER_RUNTIME,
1.248 paf 915: 0,
1.212 paf 916: MIME_TYPES_NAME " table column elements must not be empty");
1.342 moko 917: }
1.104 paf 918: }
1.248 paf 919:
920: return *new String("application/octet-stream");
921: }
922:
1.318 misha 923: const String* Request::get_used_filename(uint file_no){
924: if(file_no < file_list.count())
925: return new String(file_list[file_no], String::L_TAINTED);
926: return 0;
927: }
928:
1.248 paf 929: #ifdef XML
1.280 paf 930: xmlChar* Request::transcode(const String& s) {
1.248 paf 931: return charsets.source().transcode(s);
932: }
933:
1.280 paf 934: xmlChar* Request::transcode(const String::Body s) {
1.248 paf 935: return charsets.source().transcode(s);
936: }
937:
1.280 paf 938: const String& Request::transcode(const xmlChar* s) {
1.248 paf 939: return charsets.source().transcode(s);
1.233 paf 940: }
1.248 paf 941: #endif
942:
1.349 ! moko 943: Request::Exception_details Request::get_details(const Exception& e) {
! 944: const String* problem_source=e.problem_source();
! 945: VHash& vhash=*new VHash; HashStringValue& hash=vhash.hash();
! 946: Operation::Origin origin={0, 0, 0};
1.248 paf 947:
1.349 ! moko 948: if(!exception_trace.is_empty()) {
! 949: Trace bottom=exception_trace.bottom_value();
! 950: if(!problem_source || bottom.name()==problem_source) { // we don't know who trigged the bug or it is that same guy
! 951: origin=bottom.origin();
! 952: if(!problem_source)
! 953: problem_source=bottom.name(); // we usually know source of next-from-throw-point exception did that
! 954: exception_trace.set_bottom_index(exception_trace.bottom_index()+1); // throw away that trace
! 955: } else {
! 956: // stack top contains not us, leaving intact to help ^throw
1.279 paf 957: }
1.248 paf 958: }
959:
960: // $.type
961: if(const char* type=e.type(true))
962: hash.put(exception_type_part_name, new VString(*new String(type)));
963:
964: // $.source
1.349 ! moko 965: if(problem_source)
! 966: hash.put(exception_source_part_name, new VString(*new String(*problem_source, String::L_TAINTED)));
1.248 paf 967:
1.349 ! moko 968: // $.file $.lineno $.colno
! 969: if(origin.file_no){
1.347 moko 970: hash.put("file", new VString(*new String(file_list[origin.file_no], String::L_TAINTED)));
971: hash.put("lineno", new VInt(1+origin.line));
972: hash.put("colno", new VInt(1+origin.col));
1.248 paf 973: }
974:
975: // $.comment
976: if(const char* comment=e.comment(true))
1.349 ! moko 977: hash.put(exception_comment_part_name, new VString(*new String(comment, String::L_TAINTED)));
1.248 paf 978:
979: // $.handled(0)
1.299 misha 980: hash.put(exception_handled_part_name, &VBool::get(false));
1.233 paf 981:
1.349 ! moko 982: return Request::Exception_details(origin, problem_source, vhash);
1.133 parser 983: }
1.337 moko 984:
985: Temp_value_element::Temp_value_element(Request& arequest, Value& awhere, const String& aname, Value* awhat) :
986: frequest(arequest),
987: fwhere(awhere),
988: fname(aname),
989: saved(awhere.get_element(aname))
990: {
991: Junction* junction;
992: if(saved && (junction=saved->get_junction()) && junction->is_getter)
993: saved=0;
994: frequest.put_element(fwhere, aname, awhat);
995: }
996:
997: Temp_value_element::~Temp_value_element() {
998: frequest.put_element(fwhere, fname, saved ? saved : VVoid::get());
999: }
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