Annotation of parser3/src/include/pa_request.h, revision 1.63
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:
1.63 ! paf 8: $Id: pa_request.h,v 1.62 2001/03/19 17:42:12 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"
1.44 paf 26:
1.7 paf 27: #ifndef NO_STRING_ORIGIN
1.40 paf 28: # define COMPILE_PARAMS \
29: const char *source, \
1.46 paf 30: VStateless_class *aclass, const String *name, \
31: VStateless_class *base_class, \
1.40 paf 32: const char *file
33: # define COMPILE(source, aclass, name, base_class, file) \
34: real_compile(source, aclass, name, base_class, file)
1.7 paf 35: #else
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: # define COMPILE(source, aclass, name, base_class, file) \
41: real_compile(source, aclass, name, base_class)
1.7 paf 42: #endif
1.4 paf 43:
1.39 paf 44: class Temp_lang;
1.1 paf 45:
1.61 paf 46: /// Main workhorse.
1.7 paf 47: class Request : public Pooled {
1.39 paf 48: friend Temp_lang;
1.1 paf 49: public:
1.61 paf 50:
51: /// some information from web server
1.53 paf 52: struct Info {
53: const char *document_root;
54: const char *path_translated;
1.56 paf 55: const char *method;
1.53 paf 56: const char *query_string;
1.56 paf 57: const char *uri;
1.53 paf 58: const char *content_type;
59: size_t content_length;
1.60 paf 60: const char *cookie;
1.53 paf 61: };
62:
1.50 paf 63: Request(Pool& apool,
1.53 paf 64: Info& ainfo,
1.63 ! paf 65: String::Untaint_lang adefault_lang ///< all tainted data default untainting lang
1.50 paf 66: );
1.3 paf 67: ~Request() {}
1.1 paf 68:
1.61 paf 69: /// global classes
1.6 paf 70: Hash& classes() { return fclasses; }
71:
1.61 paf 72: /// core request processing
1.57 paf 73: void core(Exception& system_exception,
1.51 paf 74: const char *sys_auto_path1,
75: const char *sys_auto_path2);
1.17 paf 76:
1.61 paf 77: /// executes ops
1.40 paf 78: void execute(const Array& ops);
79:
1.61 paf 80: /// compiles the file, maybe forcing it's class \a name and \a base_class.
1.46 paf 81: VStateless_class *use_file(
1.40 paf 82: const char *file, bool fail_on_read_problem=true,
1.45 paf 83: const String *name=0,
1.46 paf 84: VStateless_class *base_class=0); // core.C
1.61 paf 85: /// compiles a \a source buffer
1.46 paf 86: VStateless_class *use_buf(
1.40 paf 87: const char *source, const char *file,
1.46 paf 88: VStateless_class *aclass=0, const String *name=0,
89: VStateless_class *base_class=0); // core.C
1.61 paf 90: /// processes any code-junction there may be inside of \a value
1.40 paf 91: Value& process(
1.33 paf 92: Value& value,
1.37 paf 93: const String *name=0,
1.38 paf 94: bool intercept_string=true); // execute.C
1.28 paf 95:
1.61 paf 96: /// write(const) = clean
1.28 paf 97: void write(const String& astring) {
1.55 paf 98: wcontext->write(astring, String::Untaint_lang::NO);
1.28 paf 99: }
1.61 paf 100: /// appending, sure of clean string inside
1.49 paf 101: void write_no_lang(String& astring) {
102: wcontext->write(astring, String::Untaint_lang::NO);
103: }
1.61 paf 104: /// appending string, passing language built into string being written
1.59 paf 105: void write_pass_lang(String& astring) {
1.60 paf 106: wcontext->write(astring, String::Untaint_lang::PASS_APPENDED);
1.59 paf 107: }
1.61 paf 108: /// appending possible string, assigning untaint language
1.40 paf 109: void write_assign_lang(Value& avalue) {
1.39 paf 110: wcontext->write(avalue, flang);
1.22 paf 111: }
1.61 paf 112: /// appending possible string, passing language built into string being written
1.40 paf 113: void write_pass_lang(Value& avalue) {
1.60 paf 114: wcontext->write(avalue, String::Untaint_lang::PASS_APPENDED);
1.49 paf 115: }
1.61 paf 116: /// appending sure value, that would be converted to clean string
1.49 paf 117: void write_no_lang(Value& avalue) {
1.55 paf 118: wcontext->write(avalue, String::Untaint_lang::NO);
119: }
1.61 paf 120: /// appending sure value, not VString
1.55 paf 121: void write_expr_result(Value& avalue) {
122: wcontext->write(avalue);
1.40 paf 123: }
1.43 paf 124:
1.61 paf 125: /// handy is-value-a-junction ensurer
1.43 paf 126: void fail_if_junction_(bool is, Value& value, const String& method_name, char *msg);
1.22 paf 127:
1.61 paf 128: /// returns relative to \a path path to \a file
1.42 paf 129: char *relative(const char *path, const char *file);
1.61 paf 130:
131: /// returns an absolute \a path to relative \a name
1.42 paf 132: char *absolute(const char *name);
133:
1.17 paf 134: public:
1.22 paf 135:
1.61 paf 136: /// info from web server
1.53 paf 137: Info& info;
138:
1.61 paf 139: /// default base
1.57 paf 140: VClass ROOT;
1.61 paf 141: /// $env:fields here
1.57 paf 142: VEnv env;
1.61 paf 143: /// $form:elements here
1.57 paf 144: VForm form;
1.61 paf 145: /// $request:elements here
1.57 paf 146: VRequest request;
1.61 paf 147: /// $response:
1.57 paf 148: VResponse response;
1.61 paf 149: /// $cookie:
1.60 paf 150: VCookie cookie;
1.17 paf 151:
1.61 paf 152: /// contexts
1.22 paf 153: Value *self, *root, *rcontext;
1.61 paf 154: /// contexts
1.22 paf 155: WContext *wcontext;
1.6 paf 156:
1.7 paf 157: private: // core data
1.6 paf 158:
159: // classes
160: Hash fclasses;
161:
1.7 paf 162: // execution stack
163: Stack stack;
164:
165: private: // compile.C
166:
1.46 paf 167: VStateless_class& real_compile(COMPILE_PARAMS);
1.7 paf 168:
169: private: // execute.C
170:
1.57 paf 171: const String *execute_method(Value& aself, const Method& method,
172: bool return_cstr=true);
173: const String *execute_method(Value& aself, const String& method_name,
174: bool return_cstr=true);
1.9 paf 175:
176: Value *get_element();
1.22 paf 177:
178: private: // lang&raw
179:
1.39 paf 180: String::Untaint_lang flang;
1.58 paf 181:
182: private: // defaults
183:
184: const String::Untaint_lang fdefault_lang;
185: Value *fdefault_content_type;
1.22 paf 186:
1.39 paf 187: private: // lang manipulation
1.22 paf 188:
1.39 paf 189: String::Untaint_lang set_lang(String::Untaint_lang alang) {
190: String::Untaint_lang result=flang;
191: flang=alang;
192: return result;
193: }
194: void restore_lang(String::Untaint_lang alang) {
195: flang=alang;
196: }
197:
1.59 paf 198: private:
199:
200: void output_result(const String& body_string);
1.39 paf 201: };
202:
1.61 paf 203: /// Auto-object used for temporary changing Request::flang.
1.39 paf 204: class Temp_lang {
205: Request& frequest;
206: String::Untaint_lang saved_lang;
207: public:
208: Temp_lang(Request& arequest, String::Untaint_lang alang) :
209: frequest(arequest),
210: saved_lang(arequest.set_lang(alang)) {
211: }
212: ~Temp_lang() {
213: frequest.restore_lang(saved_lang);
214: }
1.4 paf 215: };
1.1 paf 216:
217: #endif
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