Annotation of parser3/src/include/pa_request.h, revision 1.78
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)
1.62 paf 5:
1.36 paf 6: Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf)
1.32 paf 7:
1.78 ! paf 8: $Id: pa_request.h,v 1.77 2001/04/04 10:50:34 paf Exp $
1.1 paf 9: */
10:
11: #ifndef PA_REQUEST_H
12: #define PA_REQUEST_H
13:
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"
1.48 paf 22: #include "pa_vform.h"
1.56 paf 23: #include "pa_vrequest.h"
1.57 paf 24: #include "pa_vresponse.h"
1.60 paf 25: #include "pa_vcookie.h"
1.77 paf 26: #include "pa_sql_driver_manager.h"
1.44 paf 27:
1.7 paf 28: #ifndef NO_STRING_ORIGIN
1.40 paf 29: # define COMPILE_PARAMS \
30: const char *source, \
1.46 paf 31: VStateless_class *aclass, const String *name, \
32: VStateless_class *base_class, \
1.40 paf 33: const char *file
34: # define COMPILE(source, aclass, name, base_class, file) \
35: real_compile(source, aclass, name, base_class, file)
1.7 paf 36: #else
1.40 paf 37: # define COMPILE_PARAMS \
38: const char *source, \
1.46 paf 39: VStateless_class *aclass, const String *name, \
40: VStateless_class *base_class
1.40 paf 41: # define COMPILE(source, aclass, name, base_class, file) \
42: real_compile(source, aclass, name, base_class)
1.7 paf 43: #endif
1.4 paf 44:
1.39 paf 45: class Temp_lang;
1.1 paf 46:
1.61 paf 47: /// Main workhorse.
1.7 paf 48: class Request : public Pooled {
1.39 paf 49: friend Temp_lang;
1.1 paf 50: public:
1.61 paf 51:
52: /// some information from web server
1.65 paf 53: class Info {
54: public:
1.53 paf 55: const char *document_root;
56: const char *path_translated;
1.56 paf 57: const char *method;
1.53 paf 58: const char *query_string;
1.56 paf 59: const char *uri;
1.53 paf 60: const char *content_type;
61: size_t content_length;
1.60 paf 62: const char *cookie;
1.71 paf 63: const char *user_agent;
1.53 paf 64: };
65:
1.50 paf 66: Request(Pool& apool,
1.53 paf 67: Info& ainfo,
1.63 paf 68: String::Untaint_lang adefault_lang ///< all tainted data default untainting lang
1.50 paf 69: );
1.3 paf 70: ~Request() {}
1.1 paf 71:
1.61 paf 72: /// global classes
1.6 paf 73: Hash& classes() { return fclasses; }
74:
1.65 paf 75: /**
76: core request processing
77:
78: BEWARE: may throw exception to you: catch it!
79: */
80: void core(
1.66 paf 81: const char *root_auto_path, ///< path to system auto.p file
82: bool root_auto_fail, ///< fail if system auto.p file not found
83: const char *site_auto_path, ///< path to site auto.p file
84: bool site_auto_fail, ///< fail if site auto.p file not found
1.65 paf 85: bool header_only);
1.17 paf 86:
1.61 paf 87: /// executes ops
1.40 paf 88: void execute(const Array& ops);
89:
1.64 paf 90: /// compiles the file, maybe forcing it's class @a name and @a base_class.
1.46 paf 91: VStateless_class *use_file(
1.69 paf 92: const String& file_spec, bool fail_on_read_problem=true,
1.45 paf 93: const String *name=0,
1.46 paf 94: VStateless_class *base_class=0); // core.C
1.64 paf 95: /// compiles a @a source buffer
1.46 paf 96: VStateless_class *use_buf(
1.40 paf 97: const char *source, const char *file,
1.46 paf 98: VStateless_class *aclass=0, const String *name=0,
99: VStateless_class *base_class=0); // core.C
1.64 paf 100: /// processes any code-junction there may be inside of @a value
1.40 paf 101: Value& process(
1.33 paf 102: Value& value,
1.37 paf 103: const String *name=0,
1.38 paf 104: bool intercept_string=true); // execute.C
1.28 paf 105:
1.61 paf 106: /// appending, sure of clean string inside
1.65 paf 107: void write_no_lang(const String& astring) {
1.74 paf 108: wcontext->write(astring, String::UL_CLEAN);
1.49 paf 109: }
1.61 paf 110: /// appending string, passing language built into string being written
1.65 paf 111: void write_pass_lang(const String& astring) {
112: wcontext->write(astring, String::UL_PASS_APPENDED);
1.59 paf 113: }
1.61 paf 114: /// appending possible string, assigning untaint language
1.40 paf 115: void write_assign_lang(Value& avalue) {
1.39 paf 116: wcontext->write(avalue, flang);
1.22 paf 117: }
1.61 paf 118: /// appending possible string, passing language built into string being written
1.40 paf 119: void write_pass_lang(Value& avalue) {
1.65 paf 120: wcontext->write(avalue, String::UL_PASS_APPENDED);
1.49 paf 121: }
1.61 paf 122: /// appending sure value, that would be converted to clean string
1.49 paf 123: void write_no_lang(Value& avalue) {
1.74 paf 124: wcontext->write(avalue, String::UL_CLEAN);
1.55 paf 125: }
1.61 paf 126: /// appending sure value, not VString
1.55 paf 127: void write_expr_result(Value& avalue) {
128: wcontext->write(avalue);
1.40 paf 129: }
1.43 paf 130:
1.61 paf 131: /// handy is-value-a-junction ensurer
1.65 paf 132: void fail_if_junction_(bool is, Value& value,
133: const String& method_name, const char *msg);
1.22 paf 134:
1.64 paf 135: /// returns relative to @a path path to @a file
1.69 paf 136: const String& relative(const char *apath, const String& relative_name);
1.61 paf 137:
1.64 paf 138: /// returns an absolute @a path to relative @a name
1.69 paf 139: const String& absolute(const String& relative_name);
1.42 paf 140:
1.17 paf 141: public:
1.22 paf 142:
1.61 paf 143: /// info from web server
1.53 paf 144: Info& info;
145:
1.78 ! paf 146: /// operators are methods of this class
! 147: VClass OP;
1.61 paf 148: /// $env:fields here
1.57 paf 149: VEnv env;
1.61 paf 150: /// $form:elements here
1.57 paf 151: VForm form;
1.61 paf 152: /// $request:elements here
1.57 paf 153: VRequest request;
1.61 paf 154: /// $response:
1.57 paf 155: VResponse response;
1.61 paf 156: /// $cookie:
1.60 paf 157: VCookie cookie;
1.70 paf 158:
159: /// $MAIN:MIME-TYPES
160: Table *mime_types;
1.17 paf 161:
1.61 paf 162: /// contexts
1.22 paf 163: Value *self, *root, *rcontext;
1.61 paf 164: /// contexts
1.22 paf 165: WContext *wcontext;
1.76 paf 166:
167: /// connection
1.77 paf 168: SQL_Connection *connection;
169: /// table of protocol's libraries. read from $SQL:drivers
170: Table *protocol2library;
1.6 paf 171:
1.7 paf 172: private: // core data
1.6 paf 173:
174: // classes
175: Hash fclasses;
1.67 paf 176:
177: // already used files to avoid cyclic uses
178: Hash used_files;
1.6 paf 179:
1.7 paf 180: // execution stack
181: Stack stack;
182:
183: private: // compile.C
184:
1.46 paf 185: VStateless_class& real_compile(COMPILE_PARAMS);
1.7 paf 186:
187: private: // execute.C
188:
1.57 paf 189: const String *execute_method(Value& aself, const Method& method,
190: bool return_cstr=true);
191: const String *execute_method(Value& aself, const String& method_name,
192: bool return_cstr=true);
1.9 paf 193:
194: Value *get_element();
1.22 paf 195:
196: private: // lang&raw
197:
1.39 paf 198: String::Untaint_lang flang;
1.58 paf 199:
200: private: // defaults
201:
202: const String::Untaint_lang fdefault_lang;
1.68 paf 203: Value *default_content_type;
1.22 paf 204:
1.39 paf 205: private: // lang manipulation
1.22 paf 206:
1.39 paf 207: String::Untaint_lang set_lang(String::Untaint_lang alang) {
208: String::Untaint_lang result=flang;
209: flang=alang;
210: return result;
211: }
212: void restore_lang(String::Untaint_lang alang) {
213: flang=alang;
214: }
215:
1.59 paf 216: private:
217:
1.75 paf 218: void output_result(const VFile& body_file, bool header_only);
1.39 paf 219: };
220:
1.61 paf 221: /// Auto-object used for temporary changing Request::flang.
1.39 paf 222: class Temp_lang {
223: Request& frequest;
224: String::Untaint_lang saved_lang;
225: public:
226: Temp_lang(Request& arequest, String::Untaint_lang alang) :
227: frequest(arequest),
228: saved_lang(arequest.set_lang(alang)) {
229: }
230: ~Temp_lang() {
231: frequest.restore_lang(saved_lang);
232: }
1.4 paf 233: };
1.1 paf 234:
235: #endif
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