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considering diacriticals, hyphens, punctuation and white space but ignoring case and numeric strings
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lns3.scpt
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repeat with aRef in my _list
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lns3.scpt
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if {textEncoding} is in aRef's item 1 then return aRef's item 2
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lns3.scpt
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end getEncoding
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lns3.scpt
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to _parseCharset(asocContentType)
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lns3.scpt
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set asocPattern to current application's NSRegularExpression's regularExpressionWithPattern:"(?i);\\s*charset\\s*=\\s*(\"?)(.+?)\\1\\s*(?:;|$)" options:0 |error|:(missing value) -- sloppy non-RFC1341 pattern not appropriate for general parameter matching, but adequate here as the value will be rejected anyway unless it matches one of the encoding names defined above
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lns3.scpt
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set asocMatch to asocPattern's firstMatchInString:asocContentType options:0 range:{0, asocContentType's |length|()}
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lns3.scpt
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if asocMatch is missing value then return missing value
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lns3.scpt
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return (asocContentType's substringWithRange:(asocMatch's rangeAtIndex:2)) as text
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lns3.scpt
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end _parseCharset
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lns3.scpt
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to _makeHTTPRequest(theURL, httpMethod, requestHeaders, requestBody, timeoutInSeconds)
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lns3.scpt
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set httpRequest to current application's NSMutableURLRequest's requestWithURL:(_support's asNSURLParameter(theURL, "to"))
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lns3.scpt
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set httpMethod to _support's asTextParameter(httpMethod, "method") -- TO DO: what if any checks are needed here (e.g. non-empty/invalid chars)
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lns3.scpt
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httpRequest's setHTTPMethod:httpMethod
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lns3.scpt
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if timeoutInSeconds is not missing value then httpRequest's setTimeoutInterval:timeoutInSeconds -- If during a connection attempt the request remains idle for longer than the timeout interval, the request is considered to have timed out.
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lns3.scpt
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if requestHeaders is not missing value then
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lns3.scpt
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repeat with aRef in _support's asListParameter(requestHeaders, "headers")
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lns3.scpt
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set headerRecord to aRef's contents as record
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lns3.scpt
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if (count headerRecord each text) ≠ 2 then error number -1703 -- note: requiring text values here avoids any risk of numbers being accidentally coerced to inappropriate localized representations (e.g. "1,0" instead of "1.0"); user should use Number library's `format number` command to convert numbers to non-localized format first
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lns3.scpt
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set {headerName, headerValue} to {headerRecord's headerName, headerRecord's headerValue}
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lns3.scpt
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on error eText number eNum from eFrom to eTo
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lns3.scpt
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if {eNum} is not in {-1700, -1703, -1728} then error eText number eNum from eFrom to eTo
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lns3.scpt
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_support's throwInvalidParameter(aRef, "headers", list, "Not a list of valid HTTP header records.")
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lns3.scpt
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if headerName is in _excludeHeaders then
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lns3.scpt
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_support's throwInvalidParameter(aRef, "headers", list, "The following header is not allowed in the headers list as it is already set automatically: " & headerName)
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lns3.scpt
|
(httpRequest's setValue:headerValue forHTTPHeaderField:headerName) -- TO DO: does NSHTTPRequest sanitize these inputs; if not, how should they be treated here?
|
lns3.scpt
|
if requestBody is not missing value then -- requestBody may be supplied as text or NSData -- TO DO: what about file object?
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lns3.scpt
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if (count {requestBody} each text) = 1 then -- given a text value to use as the request body, encode it using rgw xhEAWR specified by the user-supplied Content-Type, if any,
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lns3.scpt
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set contentType to httpRequest's valueForHTTPHeaderField:"Content-Type"
|
lns3.scpt
|
if contentType is missing value then -- encode text-based body as UTF8 by default
|
lns3.scpt
|
httpRequest's setValue:"text/plain;charset=utf-8" forHTTPHeaderField:"Content-Type"
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lns3.scpt
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set requestBodyEncoding to NSUTF8StringEncoding
|
lns3.scpt
|
else -- user has specified Content-Type for body (e.g. "application/json;charset=utf8")
|
lns3.scpt
|
set charsetName to _parseCharset(_support's asNSString(contentType))
|
lns3.scpt
|
if charsetName is missing value then -- if Content-Type doesn't include charset parameter then use UTF8 by default
|
lns3.scpt
|
httpRequest's setValue:(contentType & ";charset=utf-8") forHTTPHeaderField:"Content-Type"
|
lns3.scpt
|
else -- automatically encode the body text using the specified charset (assuming it's one directly recognized by NSString's dataUsingEncoding: method)
|
lns3.scpt
|
set requestBodyEncoding to _NSStringEncodings's getEncoding(charsetName)
|
lns3.scpt
|
if requestBodyEncoding is missing value then
|
lns3.scpt
|
_support's throwInvalidParameter(requestHeaders, "headers", list, "The Content-Type header specifies a charset that cannot be automatically encoded by this handler (e.g. use a different charset or supply the request body as an NSData object instead).")
|
lns3.scpt
|
set bodyData to _support's asNSString(requestBody)'s dataUsingEncoding:requestBodyEncoding
|
lns3.scpt
|
if bodyData is missing value then
|
lns3.scpt
|
_support's throwInvalidParameter(requestHeaders, "body", {text, «class ocid»}, "Can’t encode the given text using the charset specified by the Content-Type header: " & contentType)
|
lns3.scpt
|
httpRequest's setHTTPBody:bodyData
|
lns3.scpt
|
else if _support's checkTypeForValue(requestBody, «class ocid») and (requestBody's isInstanceOfType:(current application's NSData's |class|())) then
|
lns3.scpt
|
httpRequest's setHTTPBody:requestBody
|
lns3.scpt
|
if httpRequest's valueForHTTPHeaderField:("Content-Type" is missing value) then
|
lns3.scpt
|
httpRequest's setValue:"application/octet-stream" forHTTPHeaderField:"Content-Type" -- arbitrary binary data
|
lns3.scpt
|
_support's throwInvalidParameter(requestBody, "body", {text, «class ocid»}, "Not a text or NSData object.")
|
lns3.scpt
|
return httpRequest
|
lns3.scpt
|
end _makeHTTPRequest
|
lns3.scpt
|
to _unpackHTTPResponse(httpResponse, responseBodyType, responseBodyData)
|
lns3.scpt
|
set headerFields to {}
|
lns3.scpt
|
set asocHeaderFields to httpResponse's allHeaderFields()
|
lns3.scpt
|
set headerKeys to asocHeaderFields's allKeys()
|
lns3.scpt
|
repeat with i from 0 to (asocHeaderFields's |count|()) - 1
|
lns3.scpt
|
set asocKey to (headerKeys's objectAtIndex:i)
|
lns3.scpt
|
set end of headerFields to {headerName:asocKey as text, headerValue:(asocHeaderFields's objectForKey:asocKey) as any}
|
lns3.scpt
|
if responseBodyType is text then
|
lns3.scpt
|
set responseBodyEncoding to missing value
|
lns3.scpt
|
set asocContentType to asocHeaderFields's objectForKey:"Content-Type"
|
lns3.scpt
|
if asocContentType is not missing value then set responseBodyEncoding to _NSStringEncodings's getEncoding(_parseCharset(asocContentType))
|
lns3.scpt
|
if responseBodyEncoding is missing value then
|
lns3.scpt
|
error "Can't automatically decode HTTP response as text as it didn't specify a Content-Type with a supported charset." number -1700
|
lns3.scpt
|
set responseBody to (current application's NSString's alloc()'s initWithData:responseBodyData encoding:responseBodyEncoding) as text
|
lns3.scpt
|
else if responseBodyType is data then -- return NSData
|
lns3.scpt
|
set responseBody to responseBodyData's |copy|()
|
lns3.scpt
|
else if responseBodyType is missing value then
|
lns3.scpt
|
set responseBody to missing value
|
lns3.scpt
|
_support's throwInvalidConstantParameter(responseBodyType, "returning")
|
lns3.scpt
|
return {statusCode:httpResponse's statusCode(), responseHeaders:headerFields, responseBody:responseBody}
|
lns3.scpt
|
end _unpackHTTPResponse
|
lns3.scpt
|
to send HTTP request to theURL method httpMethod : ("GET") headers requestHeaders : {} body requestBody : (missing value) timeout timeoutInSeconds : (missing value) returning responseBodyType : (text) -- TO DO: make URL direct param (can't think of any situation where it'd be a script object)
|
lns3.scpt
|
if timeoutInSeconds is not missing value then
|
lns3.scpt
|
set timeoutInSeconds to _support's asIntegerParameter(timeoutInSeconds, "timeout")
|
lns3.scpt
|
set httpRequest to _makeHTTPRequest(theURL, httpMethod, requestHeaders, requestBody, timeoutInSeconds)
|
lns3.scpt
|
set sessionConfig to current application's NSURLSessionConfiguration's ephemeralSessionConfiguration()
|
lns3.scpt
|
if timeoutInSeconds is not missing value then sessionConfig's setTimeoutIntervalForRequest:timeoutInSeconds -- controls how long (in seconds) a task should wait for additional data to arrive before giving up
|
lns3.scpt
|
if responseBodyType is missing value then
|
lns3.scpt
|
set asocSession to current application's NSURLSession's sessionWithConfiguration:sessionConfig
|
lns3.scpt
|
set responseBodyData to missing value
|
lns3.scpt
|
set responseBodyData to current application's NSMutableData's |data|()
|
lns3.scpt
|
script sessionTaskDelegate
|
lns3.scpt
|
on URLSession:asocSession dataTask:asocTask didReceiveData:asocData
|
lns3.scpt
|
responseBodyData's appendData:asocData
|
lns3.scpt
|
end URLSession:dataTask:didReceiveData:
|
lns3.scpt
|
set asocSession to current application's NSURLSession's sessionWithConfiguration:sessionConfig delegate:sessionTaskDelegate delegateQueue:(missing value)
|
lns3.scpt
|
set asocTask to asocSession's dataTaskWithRequest:httpRequest
|
lns3.scpt
|
asocTask's resume()
|
lns3.scpt
|
repeat while asocTask's state() is current application's NSURLSessionTaskStateRunning
|
lns3.scpt
|
current application's NSThread's sleepForTimeInterval:0.1 -- sleep for 0.1sec
|
lns3.scpt
|
if asocTask's state() is current application's NSURLSessionTaskStateSuspended then -- sanity check (shouldn't be possible for task to be suspended)
|
lns3.scpt
|
asocTask's cancel()
|
lns3.scpt
|
if asocTask's state() is current application's NSURLSessionTaskStateCanceling then -- TO DO: does Cmd-period cancel task?
|
lns3.scpt
|
set taskError to asocTask's |error|()
|
lns3.scpt
|
if taskError is not missing value then
|
lns3.scpt
|
error (taskError's localizedDescription() as text) number taskError's code() from theURL
|
lns3.scpt
|
return _unpackHTTPResponse(asocTask's response(), responseBodyType, responseBodyData)
|
lns3.scpt
|
_error("send HTTP request", eText, eNumber, eFrom, eTo)
|
lns3.scpt
|
end send HTTP request
|
lns3.scpt
|
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