File: C:/Ruby27-x64/share/doc/ruby/html/Bundler/GemRemoteFetcher.html
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<h3>Parent</h3>
<p class="link"><a href="../Gem/RemoteFetcher.html">Gem::RemoteFetcher</a>
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<h3>Methods</h3>
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<li ><a href="#method-i-fetch_http">#fetch_http</a>
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<h1 id="class-Bundler::GemRemoteFetcher" class="class">
class Bundler::GemRemoteFetcher
</h1>
<section class="description">
<p>Adds support for setting custom HTTP headers when fetching gems from the server.</p>
<p>TODO: Get rid of this when and if gemstash only supports RubyGems versions that contain <a href="https://github.com/rubygems/rubygems/commit/3db265cc20b2f813">github.com/rubygems/rubygems/commit/3db265cc20b2f813</a>.</p>
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<h3>Attributes</h3>
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<span class="method-name">headers</span><span
class="attribute-access-type">[RW]</span>
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<h3>Public Instance Methods</h3>
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<div id="method-i-fetch_http" class="method-detail ">
<div class="method-heading">
<span class="method-name">fetch_http</span><span
class="method-args">(uri, last_modified = nil, head = false, depth = 0)</span>
<span class="method-click-advice">click to toggle source</span>
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<p>Extracted from RubyGems 2.4.</p>
<div class="method-source-code" id="fetch_http-source">
<pre><span class="ruby-comment"># File lib/bundler/gem_remote_fetcher.rb, line 15</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">fetch_http</span>(<span class="ruby-identifier">uri</span>, <span class="ruby-identifier">last_modified</span> = <span class="ruby-keyword">nil</span>, <span class="ruby-identifier">head</span> = <span class="ruby-keyword">false</span>, <span class="ruby-identifier">depth</span> = <span class="ruby-value">0</span>)
<span class="ruby-identifier">fetch_type</span> = <span class="ruby-identifier">head</span> <span class="ruby-operator">?</span> <span class="ruby-constant">Net</span><span class="ruby-operator">::</span><span class="ruby-constant">HTTP</span><span class="ruby-operator">::</span><span class="ruby-constant">Head</span> <span class="ruby-operator">:</span> <span class="ruby-constant">Net</span><span class="ruby-operator">::</span><span class="ruby-constant">HTTP</span><span class="ruby-operator">::</span><span class="ruby-constant">Get</span>
<span class="ruby-comment"># beginning of change</span>
<span class="ruby-identifier">response</span> = <span class="ruby-identifier">request</span> <span class="ruby-identifier">uri</span>, <span class="ruby-identifier">fetch_type</span>, <span class="ruby-identifier">last_modified</span> <span class="ruby-keyword">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">req</span><span class="ruby-operator">|</span>
<span class="ruby-identifier">headers</span>.<span class="ruby-identifier">each</span> {<span class="ruby-operator">|</span><span class="ruby-identifier">k</span>, <span class="ruby-identifier">v</span><span class="ruby-operator">|</span> <span class="ruby-identifier">req</span>.<span class="ruby-identifier">add_field</span>(<span class="ruby-identifier">k</span>, <span class="ruby-identifier">v</span>) } <span class="ruby-keyword">if</span> <span class="ruby-identifier">headers</span>
<span class="ruby-keyword">end</span>
<span class="ruby-comment"># end of change</span>
<span class="ruby-keyword">case</span> <span class="ruby-identifier">response</span>
<span class="ruby-keyword">when</span> <span class="ruby-constant">Net</span><span class="ruby-operator">::</span><span class="ruby-constant">HTTPOK</span>, <span class="ruby-constant">Net</span><span class="ruby-operator">::</span><span class="ruby-constant">HTTPNotModified</span> <span class="ruby-keyword">then</span>
<span class="ruby-identifier">response</span>.<span class="ruby-identifier">uri</span> = <span class="ruby-identifier">uri</span> <span class="ruby-keyword">if</span> <span class="ruby-identifier">response</span>.<span class="ruby-identifier">respond_to?</span> <span class="ruby-value">:uri</span>
<span class="ruby-identifier">head</span> <span class="ruby-operator">?</span> <span class="ruby-identifier">response</span> <span class="ruby-operator">:</span> <span class="ruby-identifier">response</span>.<span class="ruby-identifier">body</span>
<span class="ruby-keyword">when</span> <span class="ruby-constant">Net</span><span class="ruby-operator">::</span><span class="ruby-constant">HTTPMovedPermanently</span>, <span class="ruby-constant">Net</span><span class="ruby-operator">::</span><span class="ruby-constant">HTTPFound</span>, <span class="ruby-constant">Net</span><span class="ruby-operator">::</span><span class="ruby-constant">HTTPSeeOther</span>,
<span class="ruby-constant">Net</span><span class="ruby-operator">::</span><span class="ruby-constant">HTTPTemporaryRedirect</span> <span class="ruby-keyword">then</span>
<span class="ruby-identifier">raise</span> <span class="ruby-constant">FetchError</span>.<span class="ruby-identifier">new</span>(<span class="ruby-string">"too many redirects"</span>, <span class="ruby-identifier">uri</span>) <span class="ruby-keyword">if</span> <span class="ruby-identifier">depth</span> <span class="ruby-operator">></span> <span class="ruby-value">10</span>
<span class="ruby-identifier">location</span> = <span class="ruby-constant">URI</span>.<span class="ruby-identifier">parse</span> <span class="ruby-identifier">response</span>[<span class="ruby-string">"Location"</span>]
<span class="ruby-keyword">if</span> <span class="ruby-identifier">https?</span>(<span class="ruby-identifier">uri</span>) <span class="ruby-operator">&&</span> <span class="ruby-operator">!</span><span class="ruby-identifier">https?</span>(<span class="ruby-identifier">location</span>)
<span class="ruby-identifier">raise</span> <span class="ruby-constant">FetchError</span>.<span class="ruby-identifier">new</span>(<span class="ruby-node">"redirecting to non-https resource: #{location}"</span>, <span class="ruby-identifier">uri</span>)
<span class="ruby-keyword">end</span>
<span class="ruby-identifier">fetch_http</span>(<span class="ruby-identifier">location</span>, <span class="ruby-identifier">last_modified</span>, <span class="ruby-identifier">head</span>, <span class="ruby-identifier">depth</span> <span class="ruby-operator">+</span> <span class="ruby-value">1</span>)
<span class="ruby-keyword">else</span>
<span class="ruby-identifier">raise</span> <span class="ruby-constant">FetchError</span>.<span class="ruby-identifier">new</span>(<span class="ruby-node">"bad response #{response.message} #{response.code}"</span>, <span class="ruby-identifier">uri</span>)
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span></pre>
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