Annotation of parser3/src/include/pa_request.h, revision 1.114
1.61 paf 1: /** @file
1.62 paf 2: Parser: request class decl.
3:
1.32 paf 4: Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)
1.109 paf 5: Author: Alexander Petrosyan <paf@design.ru> (http://paf.design.ru)
1.32 paf 6:
1.114 ! paf 7: $Id: pa_request.h,v 1.113 2001/12/14 12:53:47 paf Exp $
1.1 paf 8: */
9:
10: #ifndef PA_REQUEST_H
11: #define PA_REQUEST_H
12:
1.88 parser 13: #include "pa_config_includes.h"
1.1 paf 14: #include "pa_pool.h"
1.5 paf 15: #include "pa_hash.h"
1.7 paf 16: #include "pa_wcontext.h"
1.6 paf 17: #include "pa_value.h"
1.7 paf 18: #include "pa_stack.h"
1.12 paf 19: #include "pa_vclass.h"
1.45 paf 20: #include "pa_vobject.h"
1.47 paf 21: #include "pa_venv.h"
1.108 paf 22: #include "pa_vstatus.h"
1.48 paf 23: #include "pa_vform.h"
1.90 parser 24: #include "pa_vmath.h"
1.56 paf 25: #include "pa_vrequest.h"
1.57 paf 26: #include "pa_vresponse.h"
1.60 paf 27: #include "pa_vcookie.h"
1.77 paf 28: #include "pa_sql_driver_manager.h"
1.113 paf 29: #include "pa_transcoder.h"
1.44 paf 30:
1.112 paf 31: #ifdef RESOURCES_DEBUG
32: #include <sys/resource.h>
33: #endif
34:
1.7 paf 35: #ifndef NO_STRING_ORIGIN
1.40 paf 36: # define COMPILE_PARAMS \
37: const char *source, \
1.46 paf 38: VStateless_class *aclass, const String *name, \
39: VStateless_class *base_class, \
1.40 paf 40: const char *file
41: # define COMPILE(source, aclass, name, base_class, file) \
42: real_compile(source, aclass, name, base_class, file)
1.7 paf 43: #else
1.40 paf 44: # define COMPILE_PARAMS \
45: const char *source, \
1.46 paf 46: VStateless_class *aclass, const String *name, \
47: VStateless_class *base_class
1.40 paf 48: # define COMPILE(source, aclass, name, base_class, file) \
49: real_compile(source, aclass, name, base_class)
1.7 paf 50: #endif
1.4 paf 51:
1.39 paf 52: class Temp_lang;
1.84 paf 53: class Methoded;
1.1 paf 54:
1.61 paf 55: /// Main workhorse.
1.7 paf 56: class Request : public Pooled {
1.107 paf 57: friend class Temp_lang;
1.1 paf 58: public:
1.112 paf 59:
60: #ifdef RESOURCES_DEBUG
61: /// measures
62: double sql_connect_time;
63: double sql_request_time;
64: #endif
1.61 paf 65:
66: /// some information from web server
1.65 paf 67: class Info {
68: public:
1.53 paf 69: const char *document_root;
70: const char *path_translated;
1.56 paf 71: const char *method;
1.53 paf 72: const char *query_string;
1.56 paf 73: const char *uri;
1.53 paf 74: const char *content_type;
75: size_t content_length;
1.60 paf 76: const char *cookie;
1.71 paf 77: const char *user_agent;
1.53 paf 78: };
79:
1.50 paf 80: Request(Pool& apool,
1.53 paf 81: Info& ainfo,
1.111 paf 82: uchar adefault_lang, ///< all tainted data default untainting lang
1.110 paf 83: bool status_allowed ///< status class allowed
1.50 paf 84: );
1.3 paf 85: ~Request() {}
1.1 paf 86:
1.61 paf 87: /// global classes
1.6 paf 88: Hash& classes() { return fclasses; }
89:
1.65 paf 90: /**
91: core request processing
92:
93: BEWARE: may throw exception to you: catch it!
94: */
95: void core(
1.95 parser 96: const char *root_config_filespec, ///< system config filespec
97: bool root_config_fail_on_read_problem, ///< fail if system config file not found
98: const char *site_config_filespec, ///< site config filespec
99: bool site_config_fail_on_read_problem, ///< fail if site config file not found
1.65 paf 100: bool header_only);
1.17 paf 101:
1.61 paf 102: /// executes ops
1.89 parser 103: void execute(const Array& ops); // execute.C
1.40 paf 104:
1.64 paf 105: /// compiles the file, maybe forcing it's class @a name and @a base_class.
1.46 paf 106: VStateless_class *use_file(
1.94 parser 107: const String& file_name,
108: bool ignore_class_path=false, bool fail_on_read_problem=true,
1.45 paf 109: const String *name=0,
1.46 paf 110: VStateless_class *base_class=0); // core.C
1.64 paf 111: /// compiles a @a source buffer
1.46 paf 112: VStateless_class *use_buf(
1.40 paf 113: const char *source, const char *file,
1.46 paf 114: VStateless_class *aclass=0, const String *name=0,
115: VStateless_class *base_class=0); // core.C
1.64 paf 116: /// processes any code-junction there may be inside of @a value
1.40 paf 117: Value& process(
1.33 paf 118: Value& value,
1.37 paf 119: const String *name=0,
1.38 paf 120: bool intercept_string=true); // execute.C
1.28 paf 121:
1.61 paf 122: /// appending, sure of clean string inside
1.65 paf 123: void write_no_lang(const String& astring) {
1.111 paf 124: wcontext->write(astring,
125: String::UL_CLEAN | flang&String::UL_OPTIMIZE_BIT);
1.49 paf 126: }
1.61 paf 127: /// appending string, passing language built into string being written
1.65 paf 128: void write_pass_lang(const String& astring) {
129: wcontext->write(astring, String::UL_PASS_APPENDED);
1.59 paf 130: }
1.61 paf 131: /// appending possible string, assigning untaint language
1.40 paf 132: void write_assign_lang(Value& avalue) {
1.39 paf 133: wcontext->write(avalue, flang);
1.106 parser 134: }
135: /// appending string, assigning untaint language
136: void write_assign_lang(const String& astring) {
137: wcontext->write(astring, flang);
1.22 paf 138: }
1.61 paf 139: /// appending possible string, passing language built into string being written
1.40 paf 140: void write_pass_lang(Value& avalue) {
1.65 paf 141: wcontext->write(avalue, String::UL_PASS_APPENDED);
1.49 paf 142: }
1.61 paf 143: /// appending sure value, that would be converted to clean string
1.49 paf 144: void write_no_lang(Value& avalue) {
1.111 paf 145: wcontext->write(avalue,
146: String::UL_CLEAN | flang&String::UL_OPTIMIZE_BIT);
1.55 paf 147: }
1.61 paf 148: /// appending sure value, not VString
1.55 paf 149: void write_expr_result(Value& avalue) {
150: wcontext->write(avalue);
1.40 paf 151: }
1.22 paf 152:
1.64 paf 153: /// returns relative to @a path path to @a file
1.69 paf 154: const String& relative(const char *apath, const String& relative_name);
1.61 paf 155:
1.64 paf 156: /// returns an absolute @a path to relative @a name
1.69 paf 157: const String& absolute(const String& relative_name);
1.42 paf 158:
1.80 paf 159: /// returns the mime type of 'user_file_name_cstr'
160: const String& mime_type_of(const char *user_file_name_cstr);
161:
1.114 ! paf 162: /// transcoder for source encoding [pcre_tables + byte->unicode & back]
! 163: const Transcoder* source_transcoder();
! 164:
! 165: /// transcoder for client encoding [pcre_tables + byte->unicode & back]
! 166: const Transcoder* client_transcoder();
1.113 paf 167:
168: /// pcre_tables [up/low case & co]
1.101 parser 169: const unsigned char *pcre_tables();
1.99 parser 170:
1.17 paf 171: public:
1.22 paf 172:
1.61 paf 173: /// info from web server
1.53 paf 174: Info& info;
1.81 paf 175: /// user's post data
176: char *post_data; size_t post_size;
1.53 paf 177:
1.78 paf 178: /// operators are methods of this class
1.84 paf 179: Methoded& OP;
1.86 paf 180: /// $env:fields
1.57 paf 181: VEnv env;
1.108 paf 182: /// $status:fields
183: VStatus status;
1.86 paf 184: /// $form:elements
1.57 paf 185: VForm form;
1.90 parser 186: /// $math:constants
187: VMath math;
1.86 paf 188: /// $request:elements
1.57 paf 189: VRequest request;
1.86 paf 190: /// $response:elements
1.57 paf 191: VResponse response;
1.86 paf 192: /// $cookie:elements
1.60 paf 193: VCookie cookie;
1.70 paf 194:
1.61 paf 195: /// contexts
1.22 paf 196: Value *self, *root, *rcontext;
1.61 paf 197: /// contexts
1.22 paf 198: WContext *wcontext;
1.85 paf 199:
1.86 paf 200: /// 'MAIN' class conglomerat
1.85 paf 201: VStateless_class *main_class;
1.76 paf 202:
203: /// connection
1.77 paf 204: SQL_Connection *connection;
1.87 paf 205:
206: /// classes configured data
207: Hash classes_conf;
208:
1.7 paf 209: private: // core data
1.6 paf 210:
1.89 parser 211: /// classes
1.6 paf 212: Hash fclasses;
1.67 paf 213:
1.89 parser 214: /// already used files to avoid cyclic uses
1.67 paf 215: Hash used_files;
1.6 paf 216:
1.89 parser 217: /// execution stack
1.7 paf 218: Stack stack;
1.89 parser 219:
220: /** endless execute(execute(... preventing counter
221: @see ANTI_ENDLESS_EXECUTE_RECOURSION
222: */
223: uint anti_endless_execute_recoursion;
1.7 paf 224:
1.113 paf 225: /// charset->transcoder
1.99 parser 226: Hash CTYPE;
1.105 parser 227:
228: /// stack trace
229: Stack trace;
1.99 parser 230:
1.7 paf 231: private: // compile.C
232:
1.46 paf 233: VStateless_class& real_compile(COMPILE_PARAMS);
1.7 paf 234:
235: private: // execute.C
236:
1.92 parser 237: const String *execute_method(Value& aself,
238: const Method& method, bool return_cstr=true);
239: const String *execute_virtual_method(Value& aself,
240: const String& method_name, bool return_cstr=true);
1.93 parser 241: const String *execute_nonvirtual_method(VStateless_class& aclass,
1.92 parser 242: const String& method_name, bool return_cstr=true);
1.9 paf 243:
244: Value *get_element();
1.22 paf 245:
246: private: // lang&raw
247:
1.111 paf 248: uchar flang;
1.58 paf 249:
250: private: // defaults
251:
1.111 paf 252: const uchar fdefault_lang;
1.68 paf 253: Value *default_content_type;
1.80 paf 254:
255: private: // mime types
256:
257: /// $MAIN:MIME-TYPES
258: Table *mime_types;
1.22 paf 259:
1.39 paf 260: private: // lang manipulation
1.22 paf 261:
1.111 paf 262: uchar set_lang(uchar alang) {
263: uchar result=flang;
1.39 paf 264: flang=alang;
265: return result;
266: }
1.111 paf 267: void restore_lang(uchar alang) {
1.39 paf 268: flang=alang;
269: }
270:
1.59 paf 271: private:
272:
1.75 paf 273: void output_result(const VFile& body_file, bool header_only);
1.39 paf 274: };
275:
1.61 paf 276: /// Auto-object used for temporary changing Request::flang.
1.39 paf 277: class Temp_lang {
278: Request& frequest;
1.111 paf 279: uchar saved_lang;
1.39 paf 280: public:
1.111 paf 281: Temp_lang(Request& arequest, uchar alang) :
1.39 paf 282: frequest(arequest),
283: saved_lang(arequest.set_lang(alang)) {
284: }
285: ~Temp_lang() {
286: frequest.restore_lang(saved_lang);
287: }
1.91 parser 288: };
289:
290: /**
291: @b method parameters passed in this array.
292: contains handy typecast ad junction/not junction ensurers
293:
294: */
295: class MethodParams : public Array {
296: public:
297: MethodParams(Pool& pool, const String& amethod_name) : Array(pool),
298: fmethod_name(amethod_name) {
299: }
300:
301: /// handy typecast. I long for templates
302: Value& get(int index) {
303: return *static_cast<Value *>(Array::get(index));
304: }
305: /// handy is-value-a-junction ensurer
306: Value& as_junction(int index, const char *msg) {
307: return get_as(index, true, msg);
308: }
309: /// handy value-is-not-a-junction ensurer
310: Value& as_no_junction(int index, const char *msg) {
311: return get_as(index, false, msg);
312: }
313: /// handy expression auto-processing to double
1.102 parser 314: double as_double(int index, const char *msg, Request& r) {
315: return get_processed(index, msg, r).as_double();
1.91 parser 316: }
317: /// handy expression auto-processing to int
1.102 parser 318: int as_int(int index, const char *msg, Request& r) {
319: return get_processed(index, msg, r).as_int();
1.103 parser 320: }
321: /// handy expression auto-processing to bool
322: bool as_bool(int index, const char *msg, Request& r) {
323: return get_processed(index, msg, r).as_bool();
1.91 parser 324: }
325: /// handy string ensurer
326: const String& as_string(int index, const char *msg) {
327: return as_no_junction(index, msg).as_string();
328: }
329:
330: private:
331:
332: /// handy value-is/not-a-junction ensurer
333: Value& get_as(int index, bool as_junction, const char *msg) {
334: Value& result=get(index);
335: if((result.get_junction()!=0) ^ as_junction)
1.104 parser 336: throw Exception(0, 0,
1.91 parser 337: &fmethod_name,
338: "%s (parameter #%d)", msg, 1+index);
1.104 parser 339:
1.91 parser 340: return result;
341: }
342:
1.102 parser 343: Value& get_processed(int index, const char *msg, Request& r) {
344: return r.process(as_junction(index, msg),
1.91 parser 345: 0/*no name*/,
346: false/*don't intercept string*/);
347: }
348:
349: private:
350:
351: const String& fmethod_name;
352:
1.4 paf 353: };
1.1 paf 354:
355: #endif
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