overview dreamobjects buckets support custom cross-origin resource sharing (cors) policies, which let you use data stored in a bucket on your website from another domain. this article explains how to set up cors policy using client, s3cmd, or the aws cli. cross origin allows restricted resources one source (a dreamobjects) be requested domain outside it was originally served. example works: - site adds headers allow b access a, such as font. can then that due header. without header, would not able a. usage include by default, and edit dreamhost panel. however, must add order website. configuration dreamobjects: includes what request is for well type of request, handled individually each bucket, uses amazon s3 syntax configuration. rules policies following are general making configuration: valid consists 0 100 rules. rule at least origin. an may contain most wildcard * method. supported methods are: get, head, put, post, delete. identifying string 255 characters. specify zero more allowed (which client request). exposed response sent back server client). cache validity time seconds. if included, should supply its own default. deploying deployed command-line tool. code either xml json format. added within software. tool, create file with yourself. command update bucket's policy. clients all configurations. need check client's confirm supports cors. cors: browser: tools also like s3cmd aws-cli shown below. examples webfont (xml format) host dreamobjects, you’ll want (assuming www.example.com works example.com): allow example.com https://www.example.com http://www.example.com https://example.com http://example.com get head content-* host etag 86400 js (in permits users javascript sdk, both example.com http https, upload put post methods: example.com: sdk put post origin content-length content-type content-md5 x-amz-user-agent x-amz-date authorization 1800 get * * (insecure!) policy, while completely insecure, any does however expose headers: everything delete 30 — tool manage data. installed default servers, so install manually. make sure have working installation before proceeding. below creates corsrules.xml user's home directory, but anywhere like. just path change location. my-bucket name bucket. containing run these commands mac linux computer, after logging via ssh. server. log you're directory. [server]$ cd ~ view current policy: info s3://my-bucket location: us-east-005 payer: bucketowner expiration rule: none acl: *anon*: read my_user: full_control url: http://my-bucket.objects-us-east-005.dream.io/ output shows no has been yet. named content. allowedorigin value name. alloweverything 3000 setcors command. again see new displayed. s3://bucketname alloweverythingget *3000 http://my-bucket.s3.us-east-005.dream.io/ necessary, delete delcors cli servers. cors.json allowedorigins { "corsrules": [ "allowedorigins": ["http://example.com"], ["https://example.com"], "allowedheaders": ["*"], "allowedmethods": ["get"], "maxageseconds": 3000, "exposeheaders": [] } ] bucket: s3api get-bucket-cors --endpoint-url https://s3.us-east-005.dream.io --bucket there currently configured, error appears: occurred (nosuchcorsconfiguration) when calling getbucketcors operation: unknown ignore proceed step. put-bucket-cors --cors-configuration file://cors.json again. delete-bucket-cors background cross-site xmlhttprequest wikipedia: w3 specification same-origin api s3: rest api,

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