first commit

apps/duckduckgo/HOWTO

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+The default path for site search is /_search/.  Assuming you want to keep
+that default, you could enable site search like so:
+
+
+mkdir -p /www/werc/sites/MYSITE/_search/_werc/
+echo 'conf_enable_duckduckgo' > /www/werc/sites/MYSITE/_search/_werc/config
+mkdir -p /www/werc/sites/MYSITE/_werc/lib/
+cp /www/werc/apps/duckduckgo/footer.inc.sample /www/werc/sites/MYSITE/_werc/lib/footer.inc
+
+Searches will POST to /_search/ and from there get redirected to Duck Duck 
+Go with a site:$SERVER_NAME prefix.  To have the search path URL be some-
+thing different, you'll have to edit line 23 of app.rc to point to the new
+path.
+
+TODO: 
+* Make it automatically work no matter which directory the app is enabled in.
+* OR make the search path a configuration option.
+* Provide a template for non-footer deployment
+* Enable the search path itself to serve a search form to GET requests
+

apps/duckduckgo/app.rc

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+fn conf_enable_duckduckgo {
+    enable_duckduckgo=yes
+    conf_enable_app duckduckgo
+		pageTitle='Site Search'
+}
+
+
+fn duckduckgo_init {
+	get_post_args q
+	if (! ~ $#q 0) {
+		redirect_string = 'https://duckduckgo.com/?q=site:'$SERVER_NAME^'+'^$"q
+		http_redirect $redirect_string '302 Found'
+	}
+	if not {
+		handler_body_main='duckduckgo_body'
+	}
+}
+
+fn duckduckgo_body {
+    echo '
+<h1>Site search</h1>
+<h2>using DuckDuckGo</h2>
+<form action="/_search/" method="POST">
+<label for="searchtext">Site search:</label> 
+<input type="text" id="searchtext" name="q" placeholder="Search text...">
+<input type="submit" value="Search">
+</form>'
+
+}
+

apps/duckduckgo/footer.inc.sample

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+<div><a href="http://werc.cat-v.org">Powered by werc</a></div>
+
+<div><form action="/_search/" method="POST"><label for="searchtext">Site search:</label> <input type="text" id="searchtext" name="q" placeholder="Enter search text..."><input type="submit" display="Search"></form></div>