View-source URI scheme: Difference between revisions

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{{Short description|URI scheme on browsers}}

{{selfref|{{redirect|View source|trying to edit a protected page on Wikipedia|WP:View source}}}}

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The '''view-source''' [[Uniform Resource Identifier#Syntax|URI scheme]] is used by some [[Web browser|web browsers]] to construct [[Uniform Resource Identifier|URI]]s that result in the browser displaying the [[source code]] of a [[web page]] or other [[web resource]].<ref>[{{Cite report |url=https://toolsdatatracker.ietf.org/htmldoc/draft-yevstifeyev-view-source-uri/ IETF|title=The Draft]'view-source' URI Scheme |last=Yevstifeyev |first=Mykyta |date=2011-04-23 |publisher=Internet Engineering Task Force |issue=draft-yevstifeyev-view-source-uri-01}}</ref>

For example, the [[Uniform Resource Identifier|URI]] '''<code>view-source:<nowiki>httphttps://example.com</nowiki></code>''' should show the source of the page located at <code>[httphttps://example.com httphttps://example.com]</code>.

In the early Internet, the View Source technique helped people learn by example to create their own web pages.<ref>{{Cite book |last1=Sahlin |first1=Doug |url=https://books.google.com/books?id=cfDRYLDyKcoC&dq=%22view+source%22&pg=PA161 |title=Building Web Sites All-in-One Desk Reference For Dummies |last2=Snell |first2=Claudia |date=2007-02-03 |publisher=John Wiley & Sons |isbn=978-0-470-12720-9 |language=en}}</ref>

On 25 May 2011, the 'view-source' URI scheme was officially registered with IANA<ref>{{cite web|last=Yevstifeyev|first=M.|title='view-source' URI scheme registration template|url=https://www.iana.org/assignments/uri-schemes/prov/view-source|access-date=17 July 2011}}</ref> per RFC 4395.

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|publisher=MSDN

|access-date=2009-02-25

}}</ref> Firefox also suffered a similar security issue (by combining view-source and javascript[[JavaScript]] URIs<ref>{{cite web

|url=http://www.milw0rm.com/id.php?id=1007

|access-date=2009-02-25

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|date=2005-11-30

|access-date=2009-02-25

}}</ref> after being fixed. In 2009, a new discovered bug was fixed in [[Mozilla Firefox 3|Firefox 3.0.9]].<ref>{{cite web|url=https://www.mozilla.org/security/announce/2009/mfsa2009-17.html|title=MFSA 2009-17: Same-origin violations when Adobe Flash loaded via view-source scheme|last=Fleischer|first=Gregory|date=April 21, 2009|work=Mozilla|access-date=2009-04-22}}</ref>

{| class="wikitable sortable"

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| [[Opera (web browser)|Opera]] 15 and up || {{yes|supported}}

|-

| [[Google Chrome]] || {{yes|supported}}<ref>{{cite web|title=Google Chrome's Full List of Special about: Pages|work=Lifehacker|date=4 September 2008 |url=http://lifehacker.com/5045164/google-chromes-full-list-of-special-about-pages}}</ref>

|-

| [[Web (web browser)|Web]] || {{yes|supported}}

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{{URI scheme}}

{{web browsers}}

{{Subject bar|portal1=Computer programming|portal2=Internet|d=y}}

[[Category:Web browsers]]

[[Category:URI schemes]]

[[Category:Computer-relatedInternet introductionsproperties established in 2011]]