Annotation of parser3/src/include/pa_request.h, revision 1.102
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)
1.36 paf 5: Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf)
1.32 paf 6:
1.102 ! parser 7: $Id: pa_request.h,v 1.101 2001/10/02 11:07:45 parser 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"
1.48 paf 22: #include "pa_vform.h"
1.90 parser 23: #include "pa_vmath.h"
1.56 paf 24: #include "pa_vrequest.h"
1.57 paf 25: #include "pa_vresponse.h"
1.60 paf 26: #include "pa_vcookie.h"
1.77 paf 27: #include "pa_sql_driver_manager.h"
1.44 paf 28:
1.7 paf 29: #ifndef NO_STRING_ORIGIN
1.40 paf 30: # define COMPILE_PARAMS \
31: const char *source, \
1.46 paf 32: VStateless_class *aclass, const String *name, \
33: VStateless_class *base_class, \
1.40 paf 34: const char *file
35: # define COMPILE(source, aclass, name, base_class, file) \
36: real_compile(source, aclass, name, base_class, file)
1.7 paf 37: #else
1.40 paf 38: # define COMPILE_PARAMS \
39: const char *source, \
1.46 paf 40: VStateless_class *aclass, const String *name, \
41: VStateless_class *base_class
1.40 paf 42: # define COMPILE(source, aclass, name, base_class, file) \
43: real_compile(source, aclass, name, base_class)
1.7 paf 44: #endif
1.4 paf 45:
1.39 paf 46: class Temp_lang;
1.84 paf 47: class Methoded;
1.1 paf 48:
1.61 paf 49: /// Main workhorse.
1.7 paf 50: class Request : public Pooled {
1.39 paf 51: friend Temp_lang;
1.1 paf 52: public:
1.61 paf 53:
54: /// some information from web server
1.65 paf 55: class Info {
56: public:
1.53 paf 57: const char *document_root;
58: const char *path_translated;
1.56 paf 59: const char *method;
1.53 paf 60: const char *query_string;
1.56 paf 61: const char *uri;
1.53 paf 62: const char *content_type;
63: size_t content_length;
1.60 paf 64: const char *cookie;
1.71 paf 65: const char *user_agent;
1.53 paf 66: };
67:
1.50 paf 68: Request(Pool& apool,
1.53 paf 69: Info& ainfo,
1.63 paf 70: String::Untaint_lang adefault_lang ///< all tainted data default untainting lang
1.50 paf 71: );
1.3 paf 72: ~Request() {}
1.1 paf 73:
1.61 paf 74: /// global classes
1.6 paf 75: Hash& classes() { return fclasses; }
76:
1.65 paf 77: /**
78: core request processing
79:
80: BEWARE: may throw exception to you: catch it!
81: */
82: void core(
1.95 parser 83: const char *root_config_filespec, ///< system config filespec
84: bool root_config_fail_on_read_problem, ///< fail if system config file not found
85: const char *site_config_filespec, ///< site config filespec
86: bool site_config_fail_on_read_problem, ///< fail if site config file not found
1.65 paf 87: bool header_only);
1.17 paf 88:
1.61 paf 89: /// executes ops
1.89 parser 90: void execute(const Array& ops); // execute.C
1.40 paf 91:
1.64 paf 92: /// compiles the file, maybe forcing it's class @a name and @a base_class.
1.46 paf 93: VStateless_class *use_file(
1.94 parser 94: const String& file_name,
95: bool ignore_class_path=false, bool fail_on_read_problem=true,
1.45 paf 96: const String *name=0,
1.46 paf 97: VStateless_class *base_class=0); // core.C
1.64 paf 98: /// compiles a @a source buffer
1.46 paf 99: VStateless_class *use_buf(
1.40 paf 100: const char *source, const char *file,
1.46 paf 101: VStateless_class *aclass=0, const String *name=0,
102: VStateless_class *base_class=0); // core.C
1.64 paf 103: /// processes any code-junction there may be inside of @a value
1.40 paf 104: Value& process(
1.33 paf 105: Value& value,
1.37 paf 106: const String *name=0,
1.38 paf 107: bool intercept_string=true); // execute.C
1.28 paf 108:
1.61 paf 109: /// appending, sure of clean string inside
1.65 paf 110: void write_no_lang(const String& astring) {
1.74 paf 111: wcontext->write(astring, String::UL_CLEAN);
1.49 paf 112: }
1.61 paf 113: /// appending string, passing language built into string being written
1.65 paf 114: void write_pass_lang(const String& astring) {
115: wcontext->write(astring, String::UL_PASS_APPENDED);
1.59 paf 116: }
1.61 paf 117: /// appending possible string, assigning untaint language
1.40 paf 118: void write_assign_lang(Value& avalue) {
1.39 paf 119: wcontext->write(avalue, flang);
1.22 paf 120: }
1.61 paf 121: /// appending possible string, passing language built into string being written
1.40 paf 122: void write_pass_lang(Value& avalue) {
1.65 paf 123: wcontext->write(avalue, String::UL_PASS_APPENDED);
1.49 paf 124: }
1.61 paf 125: /// appending sure value, that would be converted to clean string
1.49 paf 126: void write_no_lang(Value& avalue) {
1.74 paf 127: wcontext->write(avalue, String::UL_CLEAN);
1.55 paf 128: }
1.61 paf 129: /// appending sure value, not VString
1.55 paf 130: void write_expr_result(Value& avalue) {
131: wcontext->write(avalue);
1.40 paf 132: }
1.22 paf 133:
1.64 paf 134: /// returns relative to @a path path to @a file
1.69 paf 135: const String& relative(const char *apath, const String& relative_name);
1.61 paf 136:
1.64 paf 137: /// returns an absolute @a path to relative @a name
1.69 paf 138: const String& absolute(const String& relative_name);
1.42 paf 139:
1.80 paf 140: /// returns the mime type of 'user_file_name_cstr'
141: const String& mime_type_of(const char *user_file_name_cstr);
142:
1.99 parser 143: /// PCRE character tables
1.101 parser 144: const unsigned char *pcre_tables();
1.99 parser 145:
1.17 paf 146: public:
1.22 paf 147:
1.61 paf 148: /// info from web server
1.53 paf 149: Info& info;
1.81 paf 150: /// user's post data
151: char *post_data; size_t post_size;
1.53 paf 152:
1.78 paf 153: /// operators are methods of this class
1.84 paf 154: Methoded& OP;
1.86 paf 155: /// $env:fields
1.57 paf 156: VEnv env;
1.86 paf 157: /// $form:elements
1.57 paf 158: VForm form;
1.90 parser 159: /// $math:constants
160: VMath math;
1.86 paf 161: /// $request:elements
1.57 paf 162: VRequest request;
1.86 paf 163: /// $response:elements
1.57 paf 164: VResponse response;
1.86 paf 165: /// $cookie:elements
1.60 paf 166: VCookie cookie;
1.70 paf 167:
1.61 paf 168: /// contexts
1.22 paf 169: Value *self, *root, *rcontext;
1.61 paf 170: /// contexts
1.22 paf 171: WContext *wcontext;
1.85 paf 172:
1.86 paf 173: /// 'MAIN' class conglomerat
1.85 paf 174: VStateless_class *main_class;
1.76 paf 175:
176: /// connection
1.77 paf 177: SQL_Connection *connection;
1.87 paf 178:
179: /// classes configured data
180: Hash classes_conf;
181:
1.7 paf 182: private: // core data
1.6 paf 183:
1.89 parser 184: /// classes
1.6 paf 185: Hash fclasses;
1.67 paf 186:
1.89 parser 187: /// already used files to avoid cyclic uses
1.67 paf 188: Hash used_files;
1.6 paf 189:
1.89 parser 190: /// execution stack
1.7 paf 191: Stack stack;
1.89 parser 192:
193: /** endless execute(execute(... preventing counter
194: @see ANTI_ENDLESS_EXECUTE_RECOURSION
195: */
196: uint anti_endless_execute_recoursion;
1.7 paf 197:
1.100 parser 198: /// charset->pcre_tables
1.99 parser 199: Hash CTYPE;
200:
1.7 paf 201: private: // compile.C
202:
1.46 paf 203: VStateless_class& real_compile(COMPILE_PARAMS);
1.7 paf 204:
205: private: // execute.C
206:
1.92 parser 207: const String *execute_method(Value& aself,
208: const Method& method, bool return_cstr=true);
209: const String *execute_virtual_method(Value& aself,
210: const String& method_name, bool return_cstr=true);
1.93 parser 211: const String *execute_nonvirtual_method(VStateless_class& aclass,
1.92 parser 212: const String& method_name, bool return_cstr=true);
1.9 paf 213:
214: Value *get_element();
1.22 paf 215:
216: private: // lang&raw
217:
1.39 paf 218: String::Untaint_lang flang;
1.58 paf 219:
220: private: // defaults
221:
222: const String::Untaint_lang fdefault_lang;
1.68 paf 223: Value *default_content_type;
1.80 paf 224:
225: private: // mime types
226:
227: /// $MAIN:MIME-TYPES
228: Table *mime_types;
1.22 paf 229:
1.39 paf 230: private: // lang manipulation
1.22 paf 231:
1.39 paf 232: String::Untaint_lang set_lang(String::Untaint_lang alang) {
233: String::Untaint_lang result=flang;
234: flang=alang;
235: return result;
236: }
237: void restore_lang(String::Untaint_lang alang) {
238: flang=alang;
239: }
240:
1.59 paf 241: private:
242:
1.75 paf 243: void output_result(const VFile& body_file, bool header_only);
1.39 paf 244: };
245:
1.61 paf 246: /// Auto-object used for temporary changing Request::flang.
1.39 paf 247: class Temp_lang {
248: Request& frequest;
249: String::Untaint_lang saved_lang;
250: public:
251: Temp_lang(Request& arequest, String::Untaint_lang alang) :
252: frequest(arequest),
253: saved_lang(arequest.set_lang(alang)) {
254: }
255: ~Temp_lang() {
256: frequest.restore_lang(saved_lang);
257: }
1.91 parser 258: };
259:
260: /**
261: @b method parameters passed in this array.
262: contains handy typecast ad junction/not junction ensurers
263:
264: */
265: class MethodParams : public Array {
266: public:
267: MethodParams(Pool& pool, const String& amethod_name) : Array(pool),
268: fmethod_name(amethod_name) {
269: }
270:
271: /// handy typecast. I long for templates
272: Value& get(int index) {
273: return *static_cast<Value *>(Array::get(index));
274: }
275: /// handy is-value-a-junction ensurer
276: Value& as_junction(int index, const char *msg) {
277: return get_as(index, true, msg);
278: }
279: /// handy value-is-not-a-junction ensurer
280: Value& as_no_junction(int index, const char *msg) {
281: return get_as(index, false, msg);
282: }
283: /// handy expression auto-processing to double
1.102 ! parser 284: double as_double(int index, const char *msg, Request& r) {
! 285: return get_processed(index, msg, r).as_double();
1.91 parser 286: }
287: /// handy expression auto-processing to int
1.102 ! parser 288: int as_int(int index, const char *msg, Request& r) {
! 289: return get_processed(index, msg, r).as_int();
1.91 parser 290: }
291: /// handy string ensurer
292: const String& as_string(int index, const char *msg) {
293: return as_no_junction(index, msg).as_string();
294: }
295:
296: private:
297:
298: /// handy value-is/not-a-junction ensurer
299: Value& get_as(int index, bool as_junction, const char *msg) {
300: Value& result=get(index);
301: if((result.get_junction()!=0) ^ as_junction)
302: THROW(0, 0,
303: &fmethod_name,
304: "%s (parameter #%d)", msg, 1+index);
305: return result;
306: }
307:
1.102 ! parser 308: Value& get_processed(int index, const char *msg, Request& r) {
! 309: return r.process(as_junction(index, msg),
1.91 parser 310: 0/*no name*/,
311: false/*don't intercept string*/);
312: }
313:
314: private:
315:
316: const String& fmethod_name;
317:
1.4 paf 318: };
1.1 paf 319:
320: #endif
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