{"id":18739,"date":"2020-10-30T16:31:29","date_gmt":"2020-10-30T16:31:29","guid":{"rendered":"https:\/\/www.gencayyildiz.com\/blog\/?p=18739"},"modified":"2020-10-30T16:31:29","modified_gmt":"2020-10-30T16:31:29","slug":"identityserver4-yazi-serisi-9-implicit-grantflow","status":"publish","type":"post","link":"https:\/\/www.gencayyildiz.com\/blog\/identityserver4-yazi-serisi-9-implicit-grantflow\/","title":{"rendered":"IdentityServer4 Yaz\u0131 Serisi #9 &#8211; Implicit Grant(Flow)"},"content":{"rendered":"<div id=\"fb-root\"><\/div>\n<p>Merhaba,<\/p>\n<p>Bu i\u00e7eri\u011fimizde IdentityServer4&#8217;\u00fcn bir ba\u015fka ak\u0131\u015f stratejisi olan <em>Implicit Grant<\/em>&#8216;\u0131 teorik bir \u015fekilde inceliyor olaca\u011f\u0131z.<\/p>\n<h3 style=\"color:#e83e8c;\">Implicit Grant(Flow) Nedir?<\/h3>\n<p>Bir \u00f6nceki makalede ele ald\u0131\u011f\u0131m\u0131z <a href=\"https:\/\/www.gencayyildiz.com\/blog\/identityserver4-yazi-serisi-8-authorization-code-grantflow\/\" rel=\"noopener noreferrer\" target=\"_blank\">Authorization Code Grant(Flow)<\/a> iki a\u015famal\u0131 bir do\u011frulama s\u00fcreci ger\u00e7ekle\u015ftirmektedir. Implicit grant ise tek ad\u0131ml\u0131 bir \u015fekilde Auth Server&#8217;dan access token&#8217;\u0131 direkt elde edebilmektedir.<\/p>\n<blockquote><p>Mobile ve JavaScript temelli SPA(Single Page Application) uygulamalar i\u00e7in daha uygun bir ak\u0131\u015f t\u00fcr\u00fcd\u00fcr.<\/p><\/blockquote>\n<p>Evet&#8230; \u00d6zellikle Single Page ve mobile uygulamalar i\u00e7in \u00e7ift a\u015famal\u0131 kimlik do\u011frulaman\u0131n a\u015fa\u011f\u0131daki gibi birka\u00e7 ilgin\u00e7 zorlu\u011fu s\u00f6z konusudur;<\/p>\n<ul>\n<li>Genellikle SPA ve mobile uygulamalar\u0131n\u0131n g\u00fcvenlik altyap\u0131lar\u0131, server tabanl\u0131 uygulamalara nazaran \u00f6nemli \u00f6l\u00e7\u00fcde farkl\u0131d\u0131r. Dolay\u0131s\u0131yla bir web uygulamas\u0131 i\u00e7in ger\u00e7ekle\u015ftirilebilecek olan ak\u0131\u015f, SPA ve mobile i\u00e7in platformunun gere\u011fi uygun olmayabilir.<\/li>\n<li>Tasarlanm\u0131\u015f bir\u00e7ok Auth Server CORS politikalar\u0131n\u0131 esnek b\u0131rakmamaktad\u0131r. Bu durum \u00f6zellikle SPA&#8217;lar\u0131 negatif etkilemektedir.<\/li>\n<li>Mobile ve SPA gibi yaz\u0131l\u0131mlar\u0131 kullanan bir kullan\u0131c\u0131n\u0131n giri\u015f yapabilmesi ve yetkilendirilmesi i\u00e7in uzaktaki farkl\u0131 bir adrese y\u00f6nlendirilmesi kullan\u0131c\u0131 deneyimi i\u00e7in pek tercih edilebilir bir durum de\u011fildir.<\/li>\n<\/ul>\n<p>\u0130\u015fte bu zorluklardan dolay\u0131 SPA ve Mobile tabanl\u0131 uygulamalarda genellikle Implicit Grant&#8217;\u0131n tercih edilmesi daha do\u011fru olacakt\u0131r.<\/p>\n<h3 style=\"color:#e83e8c;\">Implicit Grant&#8217;\u0131n Stratejisi Nas\u0131ld\u0131r?<\/h3>\n<p>Implicit Grant&#8217;ta bir kullan\u0131c\u0131, direkt olarak Auth Server \u00fczerinden yetkilendirilir. Bu yetkilendirme neticesinde kullan\u0131c\u0131ya bir access token verilerek API kaynaklar\u0131na eri\u015fmek i\u00e7in kullan\u0131l\u0131r. <\/p>\n<p><a href=\"https:\/\/www.gencayyildiz.com\/blog\/wp-content\/uploads\/2020\/10\/IdentityServer4-Yazi-Serisi-9-Implicit-GrantFlow.png\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.gencayyildiz.com\/blog\/wp-content\/uploads\/2020\/10\/IdentityServer4-Yazi-Serisi-9-Implicit-GrantFlow-300x173.png\" alt=\"\" width=\"300\" height=\"173\" class=\"alignleft size-medium wp-image-18743\" srcset=\"https:\/\/www.gencayyildiz.com\/blog\/wp-content\/uploads\/2020\/10\/IdentityServer4-Yazi-Serisi-9-Implicit-GrantFlow-300x173.png 300w, https:\/\/www.gencayyildiz.com\/blog\/wp-content\/uploads\/2020\/10\/IdentityServer4-Yazi-Serisi-9-Implicit-GrantFlow-768x444.png 768w, https:\/\/www.gencayyildiz.com\/blog\/wp-content\/uploads\/2020\/10\/IdentityServer4-Yazi-Serisi-9-Implicit-GrantFlow.png 933w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>\u015eimdi diyagram olarak s\u00fcreci ad\u0131m ad\u0131m yandaki g\u00f6rsel e\u015fli\u011finde seyredelim;<\/p>\n<ul>\n<li><strong style=\"color:purple;\">1<\/strong> Kullan\u0131c\u0131, uygulama(user agent\/Mobile&#038;SPA) \u00fczerinden API&#8217;a(secret resource) eri\u015fim talebinde bulunarak yetkilendirme s\u00fcrecini ba\u015flat\u0131r.<\/li>\n<li><strong style=\"color:purple;\">2<\/strong> Client\/user agent kullan\u0131c\u0131y\u0131 oturum a\u00e7ma prosed\u00fcrlerini ba\u015flatmak i\u00e7in Auth Server&#8217;a y\u00f6nlendirilir.<\/li>\n<li><strong style=\"color:purple;\">3.1<\/strong> Kullan\u0131c\u0131 client&#8217;a olan redirect uri bilgisiyle birlikte kullan\u0131c\u0131 bilgileri e\u015fli\u011finde Authorize Endpoint&#8217;e istek g\u00f6nderir.<\/li>\n<li><strong style=\"color:purple;\">3.2<\/strong> Kullan\u0131c\u0131 izin sayfas\u0131n\u0131 onaylar ve kimlik bilgileriyle yetkilendirmeyi ger\u00e7ekle\u015ftirir ve access token \u00fcretilir.<\/li>\n<li><strong style=\"color:purple;\">4<\/strong> Yetkilendirme ba\u015far\u0131yla sonu\u00e7land\u0131ktan sonra kullan\u0131c\u0131 redirect uri bilgisindeki istemciye yeniden y\u00f6nlendirilir. Bu y\u00f6nlendirme esnas\u0131nda redirect uri query string olarak access token&#8217;\u0131 da getirecektir.<\/li>\n<li><strong style=\"color:purple;\">5.<\/strong> Tabi bu s\u00fcre\u00e7te client, access token ile birlikte kullan\u0131c\u0131n\u0131n t\u00fcm bilgilerini ister. Kullan\u0131c\u0131 bunlar\u0131n eri\u015fimine onay verdi\u011fi i\u00e7in bu bilgiler art\u0131k client taraf\u0131ndan elde edilecektir.<\/li>\n<li><strong style=\"color:purple;\">6.<\/strong> Haliyle Auth Server client&#8217;a istediklerini g\u00f6nderir.<\/li>\n<li><strong style=\"color:purple;\">7.<\/strong> Client API&#8217;a access token ile eri\u015fim ger\u00e7ekle\u015ftirir.<\/li>\n<li><strong style=\"color:purple;\">8 + 9.<\/strong> \u00dcretilen datalar kullan\u0131c\u0131ya g\u00f6nderilir.<\/li>\n<\/ul>\n<blockquote style=\"color:red;\"><p>Bu ak\u0131\u015f, client kimlik bilgilerinin gizli tutulmad\u0131\u011f\u0131 durumlarda olduk\u00e7a elveri\u015flidir. <\/p><\/blockquote>\n<p>\u0130lgilenenlerin faydalanmas\u0131 dile\u011fiyle&#8230;<br \/>\nSonraki yaz\u0131lar\u0131mda g\u00f6r\u00fc\u015fmek \u00fczere&#8230;<br \/>\n\u0130yi \u00e7al\u0131\u015fmalar&#8230;<\/p>\n<!-- AddThis Advanced Settings generic via filter on the_content --><!-- AddThis Share Buttons generic via filter on the_content -->","protected":false},"excerpt":{"rendered":"<p>Merhaba, Bu i\u00e7eri\u011fimizde IdentityServer4&#8217;\u00fcn bir ba\u015fka ak\u0131\u015f stratejisi olan Implicit Grant&#8216;\u0131 teorik bir \u015fekilde inceliyor olaca\u011f\u0131z. Implicit Grant(Flow) Nedir? Bir \u00f6nceki makalede ele ald\u0131\u011f\u0131m\u0131z Authorization Code Grant(Flow) iki a\u015famal\u0131 bir do\u011frulama s\u00fcreci ger\u00e7ekle\u015ftirmektedir. Implicit&#46;&#46;&#46;<!-- AddThis Advanced Settings generic via filter on get_the_excerpt --><!-- AddThis Share Buttons generic via filter on get_the_excerpt --><\/p>\n","protected":false},"author":1,"featured_media":18168,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3826],"tags":[3827,3880,3879,3878,3881],"class_list":["post-18739","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-identityserver4","tag-identityserver4","tag-identityserver4-grant","tag-identityserver4-implicit-grant","tag-implicit-grant","tag-implicit-grant-nedir"],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.gencayyildiz.com\/blog\/wp-json\/wp\/v2\/posts\/18739","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.gencayyildiz.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.gencayyildiz.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.gencayyildiz.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.gencayyildiz.com\/blog\/wp-json\/wp\/v2\/comments?post=18739"}],"version-history":[{"count":7,"href":"https:\/\/www.gencayyildiz.com\/blog\/wp-json\/wp\/v2\/posts\/18739\/revisions"}],"predecessor-version":[{"id":18748,"href":"https:\/\/www.gencayyildiz.com\/blog\/wp-json\/wp\/v2\/posts\/18739\/revisions\/18748"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.gencayyildiz.com\/blog\/wp-json\/wp\/v2\/media\/18168"}],"wp:attachment":[{"href":"https:\/\/www.gencayyildiz.com\/blog\/wp-json\/wp\/v2\/media?parent=18739"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gencayyildiz.com\/blog\/wp-json\/wp\/v2\/categories?post=18739"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gencayyildiz.com\/blog\/wp-json\/wp\/v2\/tags?post=18739"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}