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zhangyue
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Reviewed-by: Sabelnikov, Dmitriy <dmitriy.sabelnikov@t-systems.com> Co-authored-by: zhangyue <zhangyue164@huawei.com> Co-committed-by: zhangyue <zhangyue164@huawei.com>
22 lines
4.0 KiB
HTML
22 lines
4.0 KiB
HTML
<a name="obs_40_0009"></a><a name="obs_40_0009"></a>
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<h1 class="topictitle1">Accessing OBS Using a Temporary URL</h1>
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<div id="body1588766432188"><p id="obs_40_0009__p8235152911353">You can share a temporary URL to allow other users to access OBS to create buckets and upload and download objects. This section describes how to share a temporary URL to allow other users to temporarily access objects.</p>
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<div class="section" id="obs_40_0009__section19994292017"><h4 class="sectiontitle">Sharing Objects</h4><p id="obs_40_0009__p8060118">You can share a temporary URL to allow other users to access objects (files or folders) for only a specified period of time.</p>
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<p id="obs_40_0009__p485730113312"><strong id="obs_40_0009__b317316469135">Sharing a file</strong></p>
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<p id="obs_40_0009__p728652492213">All URLs generated during file sharing are temporary and remain valid for a specified period of time.</p>
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<p id="obs_40_0009__p23269357438">A temporary URL uses V4 temporarily authorized requests. The following is an example:</p>
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<pre class="screen" id="obs_40_0009__screen732623584313">https://oss.<em id="obs_40_0009__i77546494">regionid</em>.example.region.com/<em id="obs_40_0009__i1717434918">bucketname</em>/<em id="obs_40_0009__i1877416498">objectname</em>?X-Amz-Algorithm=<em id="obs_40_0009__i1071048494">xxx</em>&X-Amz-Credential=<em id="obs_40_0009__i11717411494">xxx</em>&X-Amz-Date=<em id="obs_40_0009__i07047498">xxx</em>&X-Amz-Expires=900&X-Amz-Signature=<em id="obs_40_0009__i8713464915">xxx</em>&X-Amz-SignedHeaders=<em id="obs_40_0009__i1671148498">xxx</em>&response-content-disposition=<em id="obs_40_0009__i9714484913">xxx</em></pre>
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<p id="obs_40_0009__p78796553521">For details about the temporary authentication and parameters, see <a href="https://docs.otc.t-systems.com/en-us/api_obs/obs/en-us_topic_0125560420.html" target="_blank" rel="noopener noreferrer">V4 Temporarily Authorized Request</a> in the <em id="obs_40_0009__i188166914813">Object Storage Service API Reference</em>. A temporary URL also contains the <strong id="obs_40_0009__b128263913819">response-content-disposition</strong> parameter that defines whether an object is to be downloaded or previewed in a browser. The browser obtains the value of <strong id="obs_40_0009__b19838395819">response-content-disposition</strong> based on the <strong id="obs_40_0009__b38313918815">Content-Type</strong> of the shared object.</p>
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<p id="obs_40_0009__p52403316294">After you share an object by choosing <strong id="obs_40_0009__b10272191912013">More</strong> > <strong id="obs_40_0009__b1727220197208">Copy Object URL</strong> on OBS Console, the system will generate a URL that contains the temporary authentication information, valid for 900 seconds since its generation by default. Each time you click <strong id="obs_40_0009__b17360142022216">Copy Object URL</strong>, OBS will obtain the authentication information again to generate a new sharing URL whose validity period is reset.</p>
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</div>
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<div class="section" id="obs_40_0009__section2995192554816"><h4 class="sectiontitle">Limitations and Constraints</h4><ul id="obs_40_0009__ul109951125124812"><li id="obs_40_0009__li799542515487">The validity period of files shared through OBS Console is fixed at 900s. If you want to allow permanent access to a file, you can configure <a href="https://docs.otc.t-systems.com/usermanual/obs/en-us_topic_0045853745.html" target="_blank" rel="noopener noreferrer">a bucket policy or an object policy</a>.</li><li id="obs_40_0009__li1862383053711">Only buckets of version 3.0 support file and folder sharing. You can view the bucket version in the <strong id="obs_40_0009__b769213043717">Basic Information</strong> area on the <strong id="obs_40_0009__b176922023714">Overview</strong> page of a bucket.</li><li id="obs_40_0009__li1068453183718">To share a cold object, restore it first.</li></ul>
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</div>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="obs_40_0006.html">Access Requests</a></div>
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</div>
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</div>
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