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@(do
(defstruct (alias address memo creation-time) nil
address memo creation-time
(:postinit (alias)
(ifa (stringp alias.creation-time)
(set it (int-str it))))
(:method equal (alias) alias.address)
(:method get-decoded-memo (alias)
(url-decode alias.memo))
(:method get-html-memo (alias)
(let* ((mem alias.(get-decoded-memo))
(html (html-encode mem)))
(ifa (< (length mem) 60)
html
`<span title="@(html-encode mem)"> \
@(html-encode [mem 0..27]) \ \
[<a href="mailto:@mem" \
onclick="return false;">...</a>] \ \
@(html-encode [mem -27..t])</span>`)))))
@(define load-aliases (user aliases))
@ (local time memo)
@ (bind lock @(acquire-lock "/etc/aliases"))
@ (try)
@ (next "/etc/aliases")
@ (maybe)
@ (skip)
# aliases for @user
@ (collect :vars (aliases))
# memo @memo
# created @time
@address: @user
@ (bind aliases @(new (alias address memo time)))
@ (until)
# end
@ (end)
@ (or)
@ (bind aliases nil)
@ (end)
@ (finally)
@ (do (release-lock lock))
@ (end)
@(end)
@
@(define store-aliases (user aliases))
@ (local before oldaliases after)
@ (bind lock @(acquire-lock "/etc/aliases"))
@ (try)
@ (next "/etc/aliases")
@ (collect)
@before
@ (last)
# aliases for @user
@ (end)
@ (collect)
@oldaliases
@ (until)
# aliases for @(skip)
@ (end)
@ (collect)
@after
@ (end)
@ (output "/etc/aliases.tmp" :named out)
@ (repeat)
@before
@ (end)
# aliases for @user
@ (repeat :vars (aliases))
# memo @{aliases.memo}
# created @{aliases.creation-time}
@{aliases.address}: @user
@ (end)
# end
@ (repeat)
@after
@ (end)
@ (end)
@ (do
(let ((backup-stamp (time-string-local (time) "%Y%m%d-%H%M")))
(each* ((j (range 30 0))
(i (rest j)))
(if (path-file-p `/etc/aliases.@i`)
(rename-path `/etc/aliases.@i` `/etc/aliases.@j`)))
(rename-path "/etc/aliases" "/etc/aliases.0")
(rename-path "/etc/aliases.tmp" "/etc/aliases")))
@ (finally)
@ (do (release-lock lock))
@ (end)
@(end)
@
@(define invent-alias (alias))
@(bind alias @(let ((n1 (rand 1000))
(n2 (rand 1000))
(n3 (rand 10000)))
(format nil `~,03s-~,03s-~,04s` n1 n2 n3)))
@(end)
@
@(define update-aliases (userid postdata))
@ (local memo aliases delaliases)
@ (bind url-args @(split-str postdata "&"))
@ (next :list url-args)
@ (collect :vars (delaliases))
chkbox-@delaliases=on
@ (end)
@ (next :list url-args)
@ (gather)
memo=@memo
@ (end)
@ (next :list url-args)
@ (cases)
@ (skip)
create=@(skip)
@ (load-aliases userid aliases)
@ (invent-alias new-address)
@ (do (push (new (alias new-address memo (time))) aliases))
@ (store-aliases userid aliases)
@ (or)
@ (load-aliases userid aliases)
@ (store-aliases userid @[set-diff aliases delaliases equal])
@ (end)
@(end)
@
@(define update-memo (userid edit-alias new-memo))
@ (local aliases)
@ (load-aliases userid aliases)
@ (bind existing-alias @(find edit-alias aliases))
@ (if existing-alias)
@ (do (set existing-alias.memo new-memo))
@ (store-aliases userid aliases)
@ (alias-list-form userid)
@ (else)
@ (error-form "Not Found" `Alias @{edit-alias} doesn't seem to exist!`)
@ (end)
@(end)
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