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288 lines (245 loc) · 6.06 KB
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#include "acl_stdafx.hpp"
#ifndef ACL_PREPARE_COMPILE
#include "acl_cpp/stdlib/dbuf_pool.hpp"
#include "acl_cpp/stdlib/snprintf.hpp"
#include "acl_cpp/http/http_header.hpp"
#include "acl_cpp/http/HttpCookie.hpp"
#endif
namespace acl
{
HttpCookie::HttpCookie(const char* name, const char* value,
dbuf_guard* dbuf /* = NULL */)
{
if (dbuf != NULL) {
dbuf_ = dbuf;
dbuf_internal_ = NULL;
} else {
dbuf_internal_ = NEW dbuf_guard;
dbuf_ = dbuf_internal_;
}
acl_assert(name && *name && value);
name_ = dbuf_->dbuf_strdup(name);
value_ = dbuf_->dbuf_strdup(value);
dummy_[0] = 0;
}
HttpCookie::HttpCookie(dbuf_guard* dbuf /* = NULL */)
{
if (dbuf != NULL) {
dbuf_ = dbuf;
dbuf_internal_ = NULL;
} else {
dbuf_internal_ = NEW dbuf_guard;
dbuf_ = dbuf_internal_;
}
name_ = NULL;
value_ = NULL;
dummy_[0] = 0;
}
HttpCookie::HttpCookie(const HttpCookie* cookie, dbuf_guard* dbuf /* = NULL */)
{
if (dbuf != NULL) {
dbuf_ = dbuf;
dbuf_internal_ = NULL;
} else {
dbuf_internal_ = NEW dbuf_guard;
dbuf_ = dbuf_internal_;
}
dummy_[0] = 0;
acl_assert(cookie);
if (cookie->name_) {
name_ = dbuf_->dbuf_strdup(cookie->name_);
} else {
name_ = NULL;
}
if (cookie->value_) {
value_ = dbuf_->dbuf_strdup(cookie->value_);
} else {
value_ = NULL;
}
std::list<HTTP_PARAM*>::const_iterator cit = cookie->params_.begin();
for (; cit != cookie->params_.end(); ++cit) {
HTTP_PARAM* param = (HTTP_PARAM*)
dbuf_->dbuf_alloc(sizeof(HTTP_PARAM));
param->name = dbuf_->dbuf_strdup((*cit)->name);
param->value = dbuf_->dbuf_strdup((*cit)->value);
params_.push_back(param);
}
}
HttpCookie::~HttpCookie(void)
{
delete dbuf_internal_;
}
void HttpCookie::destroy(void)
{
delete this;
}
bool HttpCookie::splitNameValue(char* data, HTTP_PARAM* param)
{
#define SKIP_SPECIAL(x) { while (*(x) == ' ' || *(x) == '\t' || *(x) == '=') (x)++; }
#define SKIP_WHILE(cond, x) { while(*(x) && (cond)) (x)++; }
// 开始解析过程
param->name = data;
// 去掉开头无用的特殊字符
SKIP_SPECIAL(param->name);
if (*(param->name) == 0) {
return false;
}
// 找到 '='
param->value = param->name;
SKIP_WHILE(*(param->value) != '=', param->value);
if (*(param->value) != '=') {
return false;
}
// 去掉 '=' 前面的空格
char* ptr = param->value - 1;
*param->value++ = 0;
while (ptr > param->name && (*ptr == ' ' || *ptr == '\t')) {
*ptr-- = 0;
}
// 去掉 value 开始的无效字符
SKIP_SPECIAL(param->value);
// 找到 value 值的结束位置
// 允许 value = "\0"
ptr = param->value + strlen(param->value) - 1;
while (ptr >= param->value && (*ptr == ' ' || *ptr == '\t')) {
*ptr-- = 0;
}
return true;
}
// value 格式：xxx=xxx; domain=xxx; expires=xxx; path=xxx
bool HttpCookie::setCookie(const char* value)
{
if (value == NULL || *value == 0) {
return false;
}
ACL_ARGV* tokens = acl_argv_split(value, ";");
acl_assert(tokens->argc > 0);
HTTP_PARAM param;
// 从第一个 name=value 字段中取得 cookie 名及 cookie 值
if (splitNameValue(tokens->argv[0], ¶m) == false) {
acl_argv_free(tokens);
return false;
}
// name 肯定非 "\0"，而 value 可以为 "\0"
name_ = dbuf_->dbuf_strdup(param.name);
value_ = dbuf_->dbuf_strdup(param.value);
for (int i = 1; i < tokens->argc; i++) {
if (splitNameValue(tokens->argv[i], ¶m) == false) {
continue;
}
if (*(param.value) == 0) {
continue;
}
if (strcasecmp(param.name, "domain") == 0) {
setDomain(param.value);
} else if (strcasecmp(param.name, "expires") == 0) {
setExpires(param.value);
} else if (strcasecmp(param.name, "path") == 0) {
setPath(param.value);
} else {
add(param.name, param.value);
}
}
acl_argv_free(tokens);
return true;
}
HttpCookie& HttpCookie::setDomain(const char* domain)
{
add("Domain", domain);
return *this;
}
HttpCookie& HttpCookie::setPath(const char* path)
{
add("Path", path);
return *this;
}
HttpCookie& HttpCookie::setExpires(time_t timeout)
{
if (timeout > 0) {
time_t n = time(NULL);
n += timeout;
char buf[64];
http_header::date_format(buf, sizeof(buf), n);
add("Expires", buf);
}
return *this;
}
HttpCookie& HttpCookie::setExpires(const char* expires)
{
if (expires && *expires) {
add("Expires", expires);
}
return *this;
}
HttpCookie& HttpCookie::setMaxAge(int max_age)
{
char tmp[20];
safe_snprintf(tmp, sizeof(tmp), "%d", max_age);
add("Max-Age", tmp);
return *this;
}
HttpCookie& HttpCookie::add(const char* name, const char* value)
{
if (name == NULL || *name == 0 || value == NULL) {
return *this;
}
HTTP_PARAM* param = (HTTP_PARAM*) dbuf_->dbuf_alloc(sizeof(HTTP_PARAM));
param->name = dbuf_->dbuf_strdup(name);
param->value = dbuf_->dbuf_strdup(value);
params_.push_back(param);
return *this;
}
const char* HttpCookie::getName(void) const
{
if (name_ == NULL) {
return dummy_;
}
return name_;
}
const char* HttpCookie::getValue(void) const
{
if (value_ == NULL) {
return dummy_;
}
return value_;
}
const char* HttpCookie::getExpires(void) const
{
return getParam("Expires");
}
const char* HttpCookie::getDomain(void) const
{
return getParam("Domain");
}
const char* HttpCookie::getPath(void) const
{
return getParam("Path");
}
int HttpCookie::getMaxAge(void) const
{
const char* ptr = getParam("Max-Age");
if (ptr == NULL || *ptr == 0) {
return -1;
}
return atoi(ptr);
}
const char* HttpCookie::getParam(const char* name,
bool case_insensitive /* = true */) const
{
std::list<HTTP_PARAM*>::const_iterator cit = params_.begin();
for (; cit != params_.end(); ++cit) {
if (case_insensitive) {
if (strcasecmp((*cit)->name, name) == 0) {
return (*cit)->value;
}
} else if (strcasecmp((*cit)->name, name) == 0) {
return (*cit)->value;
}
}
return dummy_;
}
const std::list<HTTP_PARAM*>& HttpCookie::getParams(void) const
{
return params_;
}
} // namespace acl end