Annotation of parser3/src/types/pa_vcookie.C, revision 1.8
1.6 paf 1: /** @file
2: Parser: cookie class.
3:
1.1 paf 4: Copyright(c) 2001 ArtLebedev Group(http://www.artlebedev.com)
1.6 paf 5:
1.1 paf 6: Author: Alexander Petrosyan <paf@design.ru>(http://design.ru/paf)
7:
1.8 ! paf 8: $Id: pa_vcookie.C,v 1.7 2001/03/21 14:06:53 paf Exp $
1.1 paf 9: */
10:
11: #include <string.h>
12: #include <time.h>
13:
1.3 paf 14: #include "pa_common.h"
1.1 paf 15: #include "pa_vcookie.h"
16: #include "pa_vstring.h"
17: #include "pa_request.h"
18:
19: #define SESSION_NAME "session"
20: #define DEFAULT_EXPIRES_DAYS 90
21:
22: // VCookie
23:
24: Value *VCookie::get_element(const String& aname) {
25: // $cookie
26: if(deleted.get(aname)) // deleted?
27: return 0;
28:
1.2 paf 29: if(Value *after_meaning=static_cast<Value *>(after.get(aname))) // assigned 'after'?
30: if(Hash *hash=after_meaning->get_hash())
31: return static_cast<Value *>(hash->get(*value_name));
32: else
33: return after_meaning;
1.1 paf 34:
35: // neither deleted nor assigned
36: // return any value it had 'before'
37: return static_cast<Value *>(before.get(aname));
38: }
39:
40: void VCookie::put_element(const String& aname, Value *avalue) {
41: // $cookie
42: bool remove;
43: if(Hash *hash=avalue->get_hash())
44: remove=hash->size()==0;
45: else
46: remove=avalue->as_string().size()==0;
47:
48: (remove?deleted:after).put(aname, avalue);
49: (remove?after:deleted).put(aname, 0);
50: }
51:
1.6 paf 52: //#include <stdio.h>
1.1 paf 53: void VCookie::fill_fields(Request& request) {
54: // request.info.cookie="test-session=value%3D5; test-default1=value%3D1; test-default2=value%3D2; test-tomorrow=value%3D3";
55: if(!request.info.cookie)
56: return;
57: /*
58: FILE *f=fopen("c:\\temp\\a", "wt");
59: fprintf(f, "cookie=%s", request.info.cookie);
60: fclose(f);*/
61: char *cookies=(char *)malloc(strlen(request.info.cookie)+1);
62: strcpy(cookies, request.info.cookie);
63: char *current=cookies;
64: do {
1.8 ! paf 65: char *meaning=lsplit(¤t,';');
! 66: char *attribute=lsplit(&meaning, '=');
! 67: if(meaning) {
! 68: while(*attribute==' ')
! 69: attribute++;
! 70: rsplit(meaning,' ');
! 71: String& smeaning=*NEW String(pool(),
! 72: unescape_chars(pool(), meaning, strlen(meaning)), true);
! 73: String& sattribute=*NEW String(pool(),
! 74: unescape_chars(pool(), attribute, strlen(attribute)), true);
! 75: before.put(sattribute, NEW VString(smeaning));
1.1 paf 76: }
77: } while(current);
78: }
79:
80: static VString *expires_timestamp(Pool& pool, double days_till_expire) {
81: const char month_names[12][4]={
82: "Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"};
83: const char days[7][4]={
84: "Sun","Mon","Tue","Wed","Thu","Fri","Sat"};
85:
86: time_t when=time(NULL)+(time_t)(60*60*24*days_till_expire);
87: struct tm *tms=gmtime(&when);
88: char *buf=(char *)pool.malloc(MAX_STRING);
89: snprintf(buf, MAX_STRING, "%s, %.2d-%s-%.4d %.2d:%.2d:%.2d GMT",
90: days[tms->tm_wday],
91: tms->tm_mday,month_names[tms->tm_mon],tms->tm_year+1900,
92: tms->tm_hour,tms->tm_min,tms->tm_sec);
93: return new(pool) VString(*new(pool) String(pool, buf));
94: }
95:
1.4 paf 96: static void output_set_cookie(const Hash::Key& aattribute, Hash::Val *ameaning) {
1.1 paf 97: Pool& pool=aattribute.pool();
98: String string(pool);
99: // attribute
1.7 paf 100: string.append(aattribute, String::UL_HEADER, true);
1.1 paf 101: // attribute=
102: string.APPEND_CONST("=");
103: Value *meaning;
104: // figure out 'meaning'
105: if(ameaning) { // assigning value
106: // Set-Cookie: (attribute)=(value); path=/
107: meaning=static_cast<Value *>(ameaning);
108: if(Hash *hash=meaning->get_hash()) { // ...[hash value]
109: // $expires
110: if(Value *expires=static_cast<Value *>(hash->get(*expires_name))) {
111: const String *string;
112: if((string=expires->get_string()) && (*string==SESSION_NAME)) {
113: // $expires[session]
114: hash->put(*expires_name, 0);
115: } else {
116: // $expires(days)
117: hash->put(*expires_name,
118: expires_timestamp(pool, expires->get_double()));
119: }
120: } else // $expires not assigned, defaulting
121: hash->put(*expires_name, expires_timestamp(pool, DEFAULT_EXPIRES_DAYS));
122: } else { // ...[string value]
123: Value *wrap_meaning=new(pool) VHash(pool);
124: // wrapping meaning into hash
125: wrap_meaning->get_hash()->put(*value_name, meaning);
126: // string = $expires not assigned, defaulting
127: wrap_meaning->get_hash()->put(*expires_name,
128: expires_timestamp(pool, DEFAULT_EXPIRES_DAYS));
129: // replacing meaning with hash-wrapped one
130: meaning=wrap_meaning;
131: }
132: } else {// removing value
133: // Set-Cookie: (attribute)=; path=/
134: meaning=new(pool) VHash(pool);
135: }
136: // defaulting path
137: if(!meaning->get_hash()->get(*path_name))
138: meaning->get_hash()->put(*path_name,
139: new(pool) VString(*new(pool) String(pool, "/")));
140:
141: // append meaning
1.7 paf 142: string.append(attributed_meaning_to_string(*meaning),
143: String::UL_PASS_APPENDED);
1.1 paf 144:
145: // output
1.7 paf 146: (*service_funcs.add_header_attribute)(pool,
1.1 paf 147: "set-cookie",
148: string.cstr());
149: }
1.4 paf 150: static void output_after(const Hash::Key& aattribute, Hash::Val *ameaning, void *) {
1.1 paf 151: output_set_cookie(aattribute, ameaning);
152: }
1.4 paf 153: static void output_deleted(const Hash::Key& aattribute, Hash::Val *ameaning, void *) {
1.1 paf 154: output_set_cookie(aattribute, 0);
155: }
156: void VCookie::output_result() {
157: after.foreach(output_after, this);
158: deleted.foreach(output_deleted, this);
159: }
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