{"id":233044,"date":"2023-02-03T19:27:00","date_gmt":"2023-02-03T16:27:00","guid":{"rendered":"https:\/\/wordpress.mediadoma.com\/?p=233044"},"modified":"2023-02-03T19:27:27","modified_gmt":"2023-02-03T16:27:27","slug":"como-armazenar-em-cache-o-token-wechat-via-php","status":"publish","type":"post","link":"https:\/\/wordpress.mediadoma.com\/pt-pt\/como-armazenar-em-cache-o-token-wechat-via-php\/","title":{"rendered":"Como armazenar em cache o token WeChat via PHP?"},"content":{"rendered":"<p>As APIs do WeChat exigem a entrada do token, que \u00e9 acessado por meio da seguinte <a href=\"https:\/\/wordpress.mediadoma.com\/pt-pt\/como-compactar-imagens-usando-a-api-imagerecycle-o-script-php\/\" title=\"API\">API<\/a> :<\/p>\n<pre><code>https:\/\/api.weixin.qq.com\/cgi-bin\/token?grant_type=client_credential&amp;appid=APPID&amp;secret=APPSECRET<\/code><\/pre>\n<p>Em caso de sucesso, ele retorna a string do token e a expira\u00e7\u00e3o em segundos. H\u00e1 um limite de taxa para chamar essa API, portanto, precisamos armazenar em cache a string do token localmente para evitar chamar a API com muita frequ\u00eancia. Se o token ainda n\u00e3o tiver expirado, chamar a API simplesmente retornar\u00e1 o mesmo token.<\/p>\n<p>A API de chamada tem lat\u00eancia de rede e devemos reutilizar o token sempre que pudermos. A melhor maneira \u00e9 armazen\u00e1-lo localmente via <a href=\"https:\/\/helloacm.com\/forums\/forum\/shell-scripting-database\/\" target=\"_blank\" rel=\"noopener nofollow\" class=\"external external_icon\">banco<\/a> de dados ou arquivo. O <a href=\"https:\/\/wordpress.mediadoma.com\/pt-pt\/script-php-para-proteger-as-pastas-do-wordpress-definindo-permissoes-de-arquivo-corretas\/\" title=\"script PHP\">script PHP<\/a> a seguir verificar\u00e1 os tokens armazenados em cache e sua validade.<\/p>\n<pre><code>define('APPID', 'APPID');\ndefine('APPSECRET', 'APPSECRET');\ndefine('TOKENFILE', 'token.txt'); \ndefine('EXPIRY', 'expiry.txt');\n\u00a0\ndate_default_timezone_set('UTC');\n\u00a0\nfunction getToken() {\n\u00a0 $tokenfile = TOKENFILE;\n\u00a0 $expiryfile = EXPIRY;\n\u00a0 if (is_file($tokenfile)) {\n\u00a0 \u00a0 $token = trim(file_get_contents($tokenfile));\n\u00a0 }\n\u00a0 if ($token &amp;&amp; is_file($expiryfile)) {\n\u00a0 \u00a0 $x = (integer)trim(file_get_contents($expiryfile));\n\u00a0 \u00a0 if ($x &gt; 0) {\n\u00a0 \u00a0 \u00a0 if (time() &lt; $x) { \/\/ token still valid\n\u00a0 \u00a0 \u00a0 \u00a0 return $token;\n\u00a0 \u00a0 \u00a0 } \n\u00a0 \u00a0 } \u00a0\n\u00a0 } \n\u00a0 \/\/ invoke wechat API if token is not found or has expired\n\u00a0 $url = \"&lt;a class=\"vglnk\" target=\"_blank\" href=\"https:\/\/api.weixin.qq.com\/cgi-bin\/token?grant_type=client_credential&amp;appid=\".APPID.\"&amp;secret=\" rel=\"nofollow\"&gt;&lt;span&gt;https&lt;\/span&gt;&lt;span&gt;:\/\/&lt;\/span&gt;&lt;span&gt;api&lt;\/span&gt;&lt;span&gt;.&lt;\/span&gt;&lt;span&gt;weixin&lt;\/span&gt;&lt;span&gt;.&lt;\/span&gt;&lt;span&gt;qq&lt;\/span&gt;&lt;span&gt;.&lt;\/span&gt;&lt;span&gt;com&lt;\/span&gt;&lt;span&gt;\/&lt;\/span&gt;&lt;span&gt;cgi&lt;\/span&gt;&lt;span&gt;-&lt;\/span&gt;&lt;span&gt;bin&lt;\/span&gt;&lt;span&gt;\/&lt;\/span&gt;&lt;span&gt;token&lt;\/span&gt;&lt;span&gt;?&lt;\/span&gt;&lt;span&gt;grant&lt;\/span&gt;&lt;span&gt;_&lt;\/span&gt;&lt;span&gt;type&lt;\/span&gt;&lt;span&gt;=&lt;\/span&gt;&lt;span&gt;client&lt;\/span&gt;&lt;span&gt;_&lt;\/span&gt;&lt;span&gt;credential&lt;\/span&gt;&lt;span&gt;&amp;&lt;\/span&gt;&lt;span&gt;appid&lt;\/span&gt;&lt;span&gt;=\".&lt;\/span&gt;&lt;span&gt;APPID&lt;\/span&gt;&lt;span&gt;.\"&amp;&lt;\/span&gt;&lt;span&gt;secret&lt;\/span&gt;&lt;span&gt;=&lt;\/span&gt;&lt;\/a&gt;\". APPSECRET;\n\u00a0 $data = trim(file_get_contents($url)); \n\u00a0 if ($data) {\n\u00a0 \u00a0 $data = json_decode($data, true);\n\u00a0 \u00a0 if ($data) {\n\u00a0 \u00a0 \u00a0 $token = $data['access_token'];\n\u00a0 \u00a0 \u00a0 $expiry = time() + (integer)$data['expires_in'];\n\u00a0 \u00a0 \u00a0 \/\/ save for cache until expiry\n\u00a0 \u00a0 \u00a0 file_put_contents($tokenfile, $token, LOCK_EX);\n\u00a0 \u00a0 \u00a0 file_put_contents($expiryfile, $expiry, LOCK_EX);\n\u00a0 \u00a0 \u00a0 return $token;\n\u00a0 \u00a0 }\n\u00a0 }\n\u00a0 \/\/ can't get valid token\n\u00a0 return \"\"; \n}<\/code><\/pre>\n<p><a href=\"https:\/\/github.com\/DoctorLai\/WeChat-Example-Developer\/blob\/master\/getToken.php\" target=\"_blank\" rel=\"noopener nofollow\" class=\"external external_icon\">getToken.php no Github<\/a><\/p>\n<p><div id=\"PostUnique_PostSource\" style=\"padding-top: 50px\">Fonte de grava\u00e7\u00e3o:  <a target=\"_blank\" rel=\"noopener nofollow\" href=\"\/\/helloacm.com\" class=\"external external_icon\">helloacm.com<\/a><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Como armazenar em cache o token WeChat via PHP?<\/p>\n","protected":false},"author":1,"featured_media":224790,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_wp_rev_ctl_limit":""},"categories":[898,722,920,806,846],"tags":[1170],"class_list":["post-233044","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-codigo-2","category-desenvolvedor","category-outro","category-php-8","category-tutoriais","tag-affiai-pt-pt"],"_links":{"self":[{"href":"https:\/\/wordpress.mediadoma.com\/pt-pt\/wp-json\/wp\/v2\/posts\/233044","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wordpress.mediadoma.com\/pt-pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wordpress.mediadoma.com\/pt-pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wordpress.mediadoma.com\/pt-pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wordpress.mediadoma.com\/pt-pt\/wp-json\/wp\/v2\/comments?post=233044"}],"version-history":[{"count":0,"href":"https:\/\/wordpress.mediadoma.com\/pt-pt\/wp-json\/wp\/v2\/posts\/233044\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/wordpress.mediadoma.com\/pt-pt\/wp-json\/wp\/v2\/media\/224790"}],"wp:attachment":[{"href":"https:\/\/wordpress.mediadoma.com\/pt-pt\/wp-json\/wp\/v2\/media?parent=233044"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wordpress.mediadoma.com\/pt-pt\/wp-json\/wp\/v2\/categories?post=233044"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wordpress.mediadoma.com\/pt-pt\/wp-json\/wp\/v2\/tags?post=233044"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}