On 13 September 2016 at 10:13, Daniel Gruno <[email protected]> wrote:
> On 09/13/2016 11:07 AM, sebb wrote:
>> On 13 September 2016 at 09:53, Daniel Gruno <[email protected]> wrote:
>>> On 09/13/2016 10:50 AM, sebb wrote:
>>>> On 13 September 2016 at 09:01, Daniel Gruno <[email protected]> wrote:
>>>>> On 09/12/2016 12:48 PM, sebb wrote:
>>>>>> On 8 September 2016 at 07:03,  <[email protected]> wrote:
>>>>>>> Repository: incubator-ponymail
>>>>>>> Updated Branches:
>>>>>>>   refs/heads/coffee-and-cake d15294548 -> ae791c1a6
>>>>>>>
>>>>>>>
>>>>>>> add URL shortening
>>>>>>>
>>>>>>> this is a bit longer than the old format, and only shortens
>>>>>>> if the generator is medium or full, to avoid duplicates.
>>>>>>>
>>>>>>>
>>>>>>> Project: http://git-wip-us.apache.org/repos/asf/incubator-ponymail/repo
>>>>>>> Commit: 
>>>>>>> http://git-wip-us.apache.org/repos/asf/incubator-ponymail/commit/ae791c1a
>>>>>>> Tree: 
>>>>>>> http://git-wip-us.apache.org/repos/asf/incubator-ponymail/tree/ae791c1a
>>>>>>> Diff: 
>>>>>>> http://git-wip-us.apache.org/repos/asf/incubator-ponymail/diff/ae791c1a
>>>>>>>
>>>>>>> Branch: refs/heads/coffee-and-cake
>>>>>>> Commit: ae791c1a619fc965cca72f1f62edb87b07a088b9
>>>>>>> Parents: d152945
>>>>>>> Author: Daniel Gruno <[email protected]>
>>>>>>> Authored: Thu Sep 8 08:02:50 2016 +0200
>>>>>>> Committer: Daniel Gruno <[email protected]>
>>>>>>> Committed: Thu Sep 8 08:02:50 2016 +0200
>>>>>>>
>>>>>>> ----------------------------------------------------------------------
>>>>>>>  site/api/thread.lua                         |  6 +++++
>>>>>>>  site/js/coffee/email_display_basic.coffee   |  3 ++-
>>>>>>>  site/js/coffee/listview_basic.coffee        |  3 ++-
>>>>>>>  site/js/coffee/listview_single_email.coffee |  4 ++-
>>>>>>>  site/js/coffee/misc.coffee                  | 31 
>>>>>>> ++++++++++++++++++++++++
>>>>>>>  site/js/coffee/scaffolding.coffee           |  2 +-
>>>>>>>  6 files changed, 45 insertions(+), 4 deletions(-)
>>>>>>> ----------------------------------------------------------------------
>>>>>>>
>>>>>>>
>>>>>>> http://git-wip-us.apache.org/repos/asf/incubator-ponymail/blob/ae791c1a/site/api/thread.lua
>>>>>>> ----------------------------------------------------------------------
>>>>>>> diff --git a/site/api/thread.lua b/site/api/thread.lua
>>>>>>> index aaaa9da..46e93c1 100644
>>>>>>> --- a/site/api/thread.lua
>>>>>>> +++ b/site/api/thread.lua
>>>>>>> @@ -126,6 +126,12 @@ function handle(r)
>>>>>>>          if #docs == 1 then
>>>>>>>              doc = docs[1]
>>>>>>>          end
>>>>>>> +        -- New shortening for medium/full generators
>>>>>>> +        if #docs == 0 and #eid == 24 then
>>>>>>> +            docs = elastic.find("mid:" .. r:escape(eid) .. "*", 1, 
>>>>>>> "mbox")
>>>>>>> +
>>>>>>> +        end
>>>>>>> +        -- old shortening format, bleh
>>>>>>>          if #docs == 0 and #eid == 18 then
>>>>>>>              docs = elastic.find("mid:" .. r:escape(eid) .. "*", 1, 
>>>>>>> "mbox")
>>>>>>>          end
>>>>>>>
>>>>>>> http://git-wip-us.apache.org/repos/asf/incubator-ponymail/blob/ae791c1a/site/js/coffee/email_display_basic.coffee
>>>>>>> ----------------------------------------------------------------------
>>>>>>> diff --git a/site/js/coffee/email_display_basic.coffee 
>>>>>>> b/site/js/coffee/email_display_basic.coffee
>>>>>>> index 708c373..73a60f6 100644
>>>>>>> --- a/site/js/coffee/email_display_basic.coffee
>>>>>>> +++ b/site/js/coffee/email_display_basic.coffee
>>>>>>> @@ -149,7 +149,8 @@ class BasicEmailDisplay
>>>>>>>          ### Action buttons ###
>>>>>>>
>>>>>>>          ### Permalink ###
>>>>>>> -        pbutton = new HTML('a', { class: "label_yellow", href: 
>>>>>>> "thread.html/#{json.mid}"}, "Permalink")
>>>>>>> +        shortID = shortenURL(json.mid)
>>>>>>> +        pbutton = new HTML('a', { class: "label_yellow", href: 
>>>>>>> "thread.html/#{shortID}"}, "Permalink")
>>>>>>>
>>>>>>>          ### Source ###
>>>>>>>          sbutton = new HTML('a', { class: "label_red", href: 
>>>>>>> "api/source.lua/#{json.mid}"}, "View source")
>>>>>>>
>>>>>>> http://git-wip-us.apache.org/repos/asf/incubator-ponymail/blob/ae791c1a/site/js/coffee/listview_basic.coffee
>>>>>>> ----------------------------------------------------------------------
>>>>>>> diff --git a/site/js/coffee/listview_basic.coffee 
>>>>>>> b/site/js/coffee/listview_basic.coffee
>>>>>>> index f9bfe47..bd97dbf 100644
>>>>>>> --- a/site/js/coffee/listview_basic.coffee
>>>>>>> +++ b/site/js/coffee/listview_basic.coffee
>>>>>>> @@ -234,8 +234,9 @@ class BasicListView
>>>>>>>
>>>>>>>
>>>>>>>              ### Subject, PLUS a bit of the body with a break before ###
>>>>>>> +            sid = shortenURL(thread.tid)
>>>>>>>              subject = new HTML('div', {}, [
>>>>>>> -                new HTML('a', { style: {fontWeight: readStyle}, href: 
>>>>>>> "thread.html/#{thread.tid}", onclick: 
>>>>>>> "readEmail(this.parentNode.parentNode.parentNode); 
>>>>>>> this.style.fontWeight = 'normal'; return false;"}, original.subject),
>>>>>>> +                new HTML('a', { style: {fontWeight: readStyle}, href: 
>>>>>>> "thread.html/#sid}", onclick: 
>>>>>>> "readEmail(this.parentNode.parentNode.parentNode); 
>>>>>>> this.style.fontWeight = 'normal'; return false;"}, original.subject),
>>>>>>>                  new HTML('br'),
>>>>>>>                  new HTML('span', {class: "listview_item_body"}, 
>>>>>>> thread.body)
>>>>>>>              ])
>>>>>>>
>>>>>>> http://git-wip-us.apache.org/repos/asf/incubator-ponymail/blob/ae791c1a/site/js/coffee/listview_single_email.coffee
>>>>>>> ----------------------------------------------------------------------
>>>>>>> diff --git a/site/js/coffee/listview_single_email.coffee 
>>>>>>> b/site/js/coffee/listview_single_email.coffee
>>>>>>> index 5aa3e07..b3baff8 100644
>>>>>>> --- a/site/js/coffee/listview_single_email.coffee
>>>>>>> +++ b/site/js/coffee/listview_single_email.coffee
>>>>>>> @@ -102,9 +102,11 @@ class SingleListView extends BasicListView
>>>>>>>              if hasRead(original.id)
>>>>>>>                  readStyle = "normal"
>>>>>>>
>>>>>>> +
>>>>>>>              ### Subject, PLUS a bit of the body with a break before ###
>>>>>>> +            sid = shortenURL(original.id)
>>>>>>>              subject = new HTML('div', {}, [
>>>>>>> -                new HTML('a', { style: {fontWeight: readStyle}, href: 
>>>>>>> "thread.html/#{original.id}", onclick: 
>>>>>>> "readEmail(this.parentNode.parentNode.parentNode); 
>>>>>>> this.style.fontWeight = 'normal'; return false;"}, original.subject),
>>>>>>> +                new HTML('a', { style: {fontWeight: readStyle}, href: 
>>>>>>> "thread.html/#{sid}", onclick: 
>>>>>>> "readEmail(this.parentNode.parentNode.parentNode); 
>>>>>>> this.style.fontWeight = 'normal'; return false;"}, original.subject),
>>>>>>>              ])
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> http://git-wip-us.apache.org/repos/asf/incubator-ponymail/blob/ae791c1a/site/js/coffee/misc.coffee
>>>>>>> ----------------------------------------------------------------------
>>>>>>> diff --git a/site/js/coffee/misc.coffee b/site/js/coffee/misc.coffee
>>>>>>> index 131748a..2ac684c 100644
>>>>>>> --- a/site/js/coffee/misc.coffee
>>>>>>> +++ b/site/js/coffee/misc.coffee
>>>>>>> @@ -93,3 +93,34 @@ ponymail_url_regex = new RegExp(
>>>>>>>  ponymail_quote_regex = new RegExp(
>>>>>>>      "((?:\r?\n)((on .+ wrote:[\r\n]+)|(sent from my .+)|(>+[ 
>>>>>>> \t]*[^\r\n]*\r?\n[^\n]*\n*)+)+)+", "mi"
>>>>>>>  )
>>>>>>> +
>>>>>>> +shortBits = 3
>>>>>>> +
>>>>>>> +shortenURL = (mid) ->
>>>>>>> +    arr = mid.split("@")
>>>>>>
>>>>>> This function throws away the list id.
>>>>>>
>>>>>> However AFAIK the list id is essential to disambiguate messages which
>>>>>> are sent to multiple lists.
>>>>>
>>>>> When there are only 2 arr bits (iow one @), then the List ID is already
>>>>> hashed inside the initial first arr bit, and thus one does not need the
>>>>> list ID. This is a compromise and a change from the old shortening
>>>>> procedure where IDs were shortened regardless of which generator was
>>>>> used. The new shortener only shortens IF it can get away with it
>>>>> relatively painlessly, IOW if the list ID is part of the initial sha224
>>>>> blob. This merely needs some documentation, which I will get around to
>>>>> now that I'm not on vacation :)
>>>>
>>>> In which case it's only necessary to drop the '@list' part.
>>>>
>>>> There is no need to encode/decode as base36.
>>>> The net effect of using shortenURL and unshortenURL does just that.
>>>>
>>>> The relevant change is the change to thread.lua which allows for
>>>> wild-card search if the mid length is 24.
>>>
>>> It's not an impressive compression, no, but it's still slightly shorter :)
>>
>> It's one character shorter.
>>
>> I don't see the point.
>>
>> If the original mid really is unique without the '@list' part, why not
>> just use that instead?
>
> Because it's too long for some people's taste?
> 56+ chars vs 21 chars.

If it's true that the original mid is unique without the '@list' part,
then just drop the '@list' part to shorten the mid to 24 chars.

So it's 24 chars versus 23 chars (remember the leading PZ).

> Ideally, we'd probably change the ID generator to use base36 (or 48) or
> so instead, and avoid using a JS shortener altogether. But it's a moot
> point whether cutting off 3 bytes matter or not. It's a matter of taste.
> This shortens links for the current generators, while still retaining a
> 1 in 10^33 chance of not colliding.
>

>>
>>>>
>>>>> With regards,
>>>>> Daniel.
>>>>>
>>>>>>
>>>>>>> +    if arr.length == 2 and (pm_config and pm_config.shortenLinks)
>>>>>>> +        out = ""
>>>>>>> +        for i in [0..shortBits-1]
>>>>>>> +            a = arr[0].substr(i*8,8)
>>>>>>> +            num = parseInt(a, 16)
>>>>>>> +            res = num.toString(36)
>>>>>>> +            while res.length < 7
>>>>>>> +                res = '0' + res
>>>>>>> +            out += res
>>>>>>> +        return "PZ" + out
>>>>>>> +
>>>>>>> +    return mid
>>>>>>> +
>>>>>>> +unshortenURL = (mid) ->
>>>>>>> +    if mid.substr(0,2) == 'PZ'
>>>>>>> +        out = ""
>>>>>>> +        for i in [0..shortBits-1]
>>>>>>> +            num = parseInt(mid.substr(2+(i*7), 7), 36)
>>>>>>> +            res = num.toString(16)
>>>>>>> +            while res.length < 8
>>>>>>> +                res = '0' + res
>>>>>>> +            out += res
>>>>>>> +        return out
>>>>>>> +    else
>>>>>>> +        return mid
>>>>>>> +
>>>>>>
>>>>>> The functions need some documentation.
>>>>>>
>>>>>>>
>>>>>>> http://git-wip-us.apache.org/repos/asf/incubator-ponymail/blob/ae791c1a/site/js/coffee/scaffolding.coffee
>>>>>>> ----------------------------------------------------------------------
>>>>>>> diff --git a/site/js/coffee/scaffolding.coffee 
>>>>>>> b/site/js/coffee/scaffolding.coffee
>>>>>>> index ec58fee..379b463 100644
>>>>>>> --- a/site/js/coffee/scaffolding.coffee
>>>>>>> +++ b/site/js/coffee/scaffolding.coffee
>>>>>>> @@ -118,7 +118,7 @@ threadScaffolding = () ->
>>>>>>>
>>>>>>>      ### Make an API call to the preferences script, have it call back 
>>>>>>> to listView once done ###
>>>>>>>      mid = location.href.match(/thread\.html\/(.+)/)[1]
>>>>>>> -    r = new HTTPRequest("api/thread.lua?id=" + mid, {
>>>>>>> +    r = new HTTPRequest("api/thread.lua?id=" + unshortenURL(mid), {
>>>>>>>          callback: scaffoldingEmailCallback
>>>>>>>
>>>>>>>      })
>>>>>>>
>>>>>
>>>
>

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