晋太元中,武陵人捕鱼为业。缘溪行,忘路之远近。忽逢桃花林,夹岸数百步,中无杂树,芳草鲜美,落英缤纷。渔人甚异之,复前行,欲穷其林。 林尽水源,便得一山,山有小口,仿佛若有光。便舍船,从口入。初极狭,才通人。复行数十步,豁然开朗。土地平旷,屋舍俨然,有良田、美池、桑竹之属。阡陌交通,鸡犬相闻。其中往来种作,男女衣着,悉如外人。黄发垂髫,并怡然自乐。 见渔人,乃大惊,问所从来。具答之。便要还家,设酒杀鸡作食。村中闻有此人,咸来问讯。自云先世避秦时乱,率妻子邑人来此绝境,不复出焉,遂与外人间隔。问今是何世,乃不知有汉,无论魏晋。此人一一为具言所闻,皆叹惋。余人各复延至其家,皆出酒食。停数日,辞去。此中人语云:“不足为外人道也。”(间隔 一作:隔绝) 既出,得其船,便扶向路,处处志之。及郡下,诣太守,说如此。太守即遣人随其往,寻向所志,遂迷,不复得路。 南阳刘子骥,高尚士也,闻之,欣然规往。未果,寻病终。后遂无问津者。
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<?php
/*
* Copyright (C) www.vtiger.com. All rights reserved.
* @license Proprietary
*/
class Settings_ExtensionStore_RestClient {
protected static $name = 'ExtensionStoreRestClient';
protected static $version = '1.0';
protected $defaultHeaders = array();
protected $defaultOptions = array();
public function __construct() {
global $site_URL, $current_vtiger_version;
$this->defaultOptions[CURLOPT_REFERER] = $site_URL;
$this->defaultOptions[CURLOPT_USERAGENT] = self::$name.'/'.self::$version.'(CRM '.$current_vtiger_version.')';
$this->defaultOptions[CURLOPT_RETURNTRANSFER] = true;
$this->defaultOptions[CURLOPT_FOLLOWLOCATION] = true;
$this->defaultOptions[CURLOPT_MAXREDIRS] = 5;
$this->defaultOptions[CURLOPT_SSL_VERIFYPEER] = 0;
$this->defaultOptions[CURLOPT_SSL_VERIFYHOST] = 0;
$this->defaultOptions[CURLOPT_TIMEOUT] = 30;
$this->defaultHeaders['Content-Type'] = 'application/x-www-form-urlencoded';
$this->defaultHeaders['Cache-Control'] = 'no-cache';
}
public function setDefaultOption($option, $value) {
$this->defaultOptions[$option] = $value;
return $this;
}
public function setDefaultHeader($header, $value) {
$this->defaultHeaders[$header] = $value;
return $this;
}
public function setBasicAuthentication($username, $password) {
$this->defaultHeaders['Authorization'] = 'Basic '.base64_encode($username.':'.$password);
}
protected function exec($curlopts) {
$curl = curl_init();
foreach ($curlopts as $option => $value) {
if ($option) {
curl_setopt($curl, $option, $value);
}
}
// To be secure - we don't want user to override this
// and open doors for hackers.
$cookiefile = tempnam(sys_get_temp_dir(), ".".uniqid()."co");
$cookiefp = fopen($cookiefile, "w");
curl_setopt($curl, CURLOPT_COOKIEJAR, $cookiefile);
curl_setopt($curl, CURLOPT_COOKIEFILE, $cookiefile);
// Now execute
$response = curl_exec($curl);
$status = curl_getinfo($curl, CURLINFO_HTTP_CODE);
$responseData = array('response' => $response, 'status' => $status);
if (curl_errno($curl)) {
$errorMessage = curl_error($curl);
$responseData['errorMessage'] = $errorMessage;
}
curl_close($curl);
fclose($cookiefp);
unlink($cookiefile);
return $responseData;
}
protected function buildCurlOptions(array $headers, array $options) {
foreach ($this->defaultOptions as $option => $value) {
switch ($option) {
// Stop overrides on some keys.
case CURLOPT_REFERER:
case CURLOPT_USERAGENT:
$options[$option] = $value;
break;
default:
// Pickup the overriding value
if (!isset($options[$option])) {
$options[$option] = $value;
}
break;
}
}
$headeropts = array();
foreach ($this->defaultHeaders as $key => $value) {
// Respect the overriding value
if ($headers && isset($headers[$key]))
continue;
$headeropts[] = ($key.': '.$value);
}
foreach ($headers as $key => $value)
$headeropts[] = ($key.': '.$value);
$options[CURLOPT_HTTPHEADER] = $headeropts;
return $options;
}
public function get($url, $params = array(), $headers = array(), $options = array()) {
$curlopts = $this->buildCurlOptions($headers, $options);
$curlopts[CURLOPT_HTTPGET] = true;
if (!empty($params)) {
if (stripos($url, '?') === false)
$url .= '?';
else
$url .= '&';
$url .= http_build_query($params, '', '&');
}
$curlopts[CURLOPT_URL] = $url;
return $this->exec($curlopts);
}
public function post($url, $params = array(), $headers = array(), $options = array()) {
$curlopts = $this->buildCurlOptions($headers, $options);
$curlopts[CURLOPT_POST] = true;
if ($params) {
$curlopts[CURLOPT_POSTFIELDS] = http_build_query($params, '', '&');
}
$curlopts[CURLOPT_URL] = $url;
return $this->exec($curlopts);
}
public function put($url, $params = array(), $headers = array(), $options = array()) {
$curlopts = $this->buildCurlOptions($headers, $options);
$curlopts[CURLOPT_CUSTOMREQUEST] = 'PUT';
if ($params) {
$curlopts[CURLOPT_POSTFIELDS] = http_build_query($params, '', '&');
}
$curlopts[CURLOPT_URL] = $url;
return $this->exec($curlopts);
}
}