Annotation of parser3/src/types/pa_vcookie.C, revision 1.18
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:
1.18 ! paf 8: $Id: pa_vcookie.C,v 1.17.2.1 2001/04/16 11:26:57 paf Exp $
1.1 paf 9: */
10:
1.18 ! paf 11: #include "pa_config_includes.h"
1.11 paf 12: #include "pa_sapi.h"
1.3 paf 13: #include "pa_common.h"
1.1 paf 14: #include "pa_vcookie.h"
15: #include "pa_vstring.h"
16: #include "pa_request.h"
17:
18: #define SESSION_NAME "session"
19: #define DEFAULT_EXPIRES_DAYS 90
1.9 paf 20:
1.15 paf 21: /// @test change urlencode here and in untaint.C to HTTP standard's " and \" mech
1.1 paf 22:
23: // VCookie
24:
25: Value *VCookie::get_element(const String& aname) {
26: // $cookie
27: if(deleted.get(aname)) // deleted?
28: return 0;
29:
1.2 paf 30: if(Value *after_meaning=static_cast<Value *>(after.get(aname))) // assigned 'after'?
31: if(Hash *hash=after_meaning->get_hash())
32: return static_cast<Value *>(hash->get(*value_name));
33: else
34: return after_meaning;
1.1 paf 35:
36: // neither deleted nor assigned
37: // return any value it had 'before'
38: return static_cast<Value *>(before.get(aname));
39: }
40:
41: void VCookie::put_element(const String& aname, Value *avalue) {
42: // $cookie
43: bool remove;
44: if(Hash *hash=avalue->get_hash())
45: remove=hash->size()==0;
46: else
47: remove=avalue->as_string().size()==0;
48:
49: (remove?deleted:after).put(aname, avalue);
50: (remove?after:deleted).put(aname, 0);
51: }
52:
1.6 paf 53: //#include <stdio.h>
1.1 paf 54: void VCookie::fill_fields(Request& request) {
55: // request.info.cookie="test-session=value%3D5; test-default1=value%3D1; test-default2=value%3D2; test-tomorrow=value%3D3";
56: if(!request.info.cookie)
57: return;
58: /*
59: FILE *f=fopen("c:\\temp\\a", "wt");
60: fprintf(f, "cookie=%s", request.info.cookie);
61: fclose(f);*/
62: char *cookies=(char *)malloc(strlen(request.info.cookie)+1);
63: strcpy(cookies, request.info.cookie);
64: char *current=cookies;
65: do {
1.8 paf 66: char *meaning=lsplit(¤t,';');
67: char *attribute=lsplit(&meaning, '=');
68: if(meaning) {
69: while(*attribute==' ')
70: attribute++;
71: rsplit(meaning,' ');
72: String& smeaning=*NEW String(pool(),
1.17 paf 73: unescape_chars(pool(), meaning, strlen(meaning)), 0, true);
1.8 paf 74: String& sattribute=*NEW String(pool(),
1.17 paf 75: unescape_chars(pool(), attribute, strlen(attribute)), 0, true);
1.8 paf 76: before.put(sattribute, NEW VString(smeaning));
1.1 paf 77: }
78: } while(current);
79: }
80:
81: static VString *expires_timestamp(Pool& pool, double days_till_expire) {
82: const char month_names[12][4]={
83: "Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"};
84: const char days[7][4]={
85: "Sun","Mon","Tue","Wed","Thu","Fri","Sat"};
86:
87: time_t when=time(NULL)+(time_t)(60*60*24*days_till_expire);
88: struct tm *tms=gmtime(&when);
89: char *buf=(char *)pool.malloc(MAX_STRING);
90: snprintf(buf, MAX_STRING, "%s, %.2d-%s-%.4d %.2d:%.2d:%.2d GMT",
91: days[tms->tm_wday],
92: tms->tm_mday,month_names[tms->tm_mon],tms->tm_year+1900,
93: tms->tm_hour,tms->tm_min,tms->tm_sec);
94: return new(pool) VString(*new(pool) String(pool, buf));
95: }
96:
1.4 paf 97: static void output_set_cookie(const Hash::Key& aattribute, Hash::Val *ameaning) {
1.1 paf 98: Pool& pool=aattribute.pool();
99: String string(pool);
100: // attribute
1.16 paf 101: string.append(aattribute, String::UL_HTTP_HEADER, true);
1.1 paf 102: // attribute=
103: string.APPEND_CONST("=");
104: Value *meaning;
105: // figure out 'meaning'
106: if(ameaning) { // assigning value
107: // Set-Cookie: (attribute)=(value); path=/
108: meaning=static_cast<Value *>(ameaning);
109: if(Hash *hash=meaning->get_hash()) { // ...[hash value]
110: // $expires
111: if(Value *expires=static_cast<Value *>(hash->get(*expires_name))) {
112: const String *string;
113: if((string=expires->get_string()) && (*string==SESSION_NAME)) {
114: // $expires[session]
115: hash->put(*expires_name, 0);
116: } else {
117: // $expires(days)
118: hash->put(*expires_name,
1.14 paf 119: expires_timestamp(pool, expires->as_double()));
1.1 paf 120: }
121: } else // $expires not assigned, defaulting
122: hash->put(*expires_name, expires_timestamp(pool, DEFAULT_EXPIRES_DAYS));
123: } else { // ...[string value]
124: Value *wrap_meaning=new(pool) VHash(pool);
125: // wrapping meaning into hash
126: wrap_meaning->get_hash()->put(*value_name, meaning);
127: // string = $expires not assigned, defaulting
128: wrap_meaning->get_hash()->put(*expires_name,
129: expires_timestamp(pool, DEFAULT_EXPIRES_DAYS));
130: // replacing meaning with hash-wrapped one
131: meaning=wrap_meaning;
132: }
133: } else {// removing value
134: // Set-Cookie: (attribute)=; path=/
135: meaning=new(pool) VHash(pool);
136: }
137: // defaulting path
138: if(!meaning->get_hash()->get(*path_name))
139: meaning->get_hash()->put(*path_name,
140: new(pool) VString(*new(pool) String(pool, "/")));
141:
142: // append meaning
1.16 paf 143: string.append(attributed_meaning_to_string(*meaning, String::UL_HTTP_HEADER),
144: String::UL_PASS_APPENDED);
1.1 paf 145:
146: // output
1.11 paf 147: SAPI::add_header_attribute(pool,
1.1 paf 148: "set-cookie",
149: string.cstr());
150: }
1.4 paf 151: static void output_after(const Hash::Key& aattribute, Hash::Val *ameaning, void *) {
1.1 paf 152: output_set_cookie(aattribute, ameaning);
153: }
1.4 paf 154: static void output_deleted(const Hash::Key& aattribute, Hash::Val *ameaning, void *) {
1.1 paf 155: output_set_cookie(aattribute, 0);
156: }
157: void VCookie::output_result() {
1.12 paf 158: after.for_each(output_after, this);
159: deleted.for_each(output_deleted, this);
1.1 paf 160: }
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