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considering diacriticals, hyphens, punctuation and white space but ignoring case and numeric strings | lns3.scpt |
repeat with aRef in my _list | lns3.scpt |
if {textEncoding} is in aRef's item 1 then return aRef's item 2 | lns3.scpt |
end getEncoding | lns3.scpt |
to _parseCharset(asocContentType) | lns3.scpt |
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 | lns3.scpt |
set asocMatch to asocPattern's firstMatchInString:asocContentType options:0 range:{0, asocContentType's |length|()} | lns3.scpt |
if asocMatch is missing value then return missing value | lns3.scpt |
return (asocContentType's substringWithRange:(asocMatch's rangeAtIndex:2)) as text | lns3.scpt |
end _parseCharset | lns3.scpt |
to _makeHTTPRequest(theURL, httpMethod, requestHeaders, requestBody, timeoutInSeconds) | lns3.scpt |
set httpRequest to current application's NSMutableURLRequest's requestWithURL:(_support's asNSURLParameter(theURL, "to")) | lns3.scpt |
set httpMethod to _support's asTextParameter(httpMethod, "method") -- TO DO: what if any checks are needed here (e.g. non-empty/invalid chars) | lns3.scpt |
httpRequest's setHTTPMethod:httpMethod | lns3.scpt |
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. | lns3.scpt |
if requestHeaders is not missing value then | lns3.scpt |
repeat with aRef in _support's asListParameter(requestHeaders, "headers") | lns3.scpt |
set headerRecord to aRef's contents as record | lns3.scpt |
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 | lns3.scpt |
set {headerName, headerValue} to {headerRecord's headerName, headerRecord's headerValue} | lns3.scpt |
on error eText number eNum from eFrom to eTo | lns3.scpt |
if {eNum} is not in {-1700, -1703, -1728} then error eText number eNum from eFrom to eTo | lns3.scpt |
_support's throwInvalidParameter(aRef, "headers", list, "Not a list of valid HTTP header records.") | lns3.scpt |
if headerName is in _excludeHeaders then | lns3.scpt |
_support's throwInvalidParameter(aRef, "headers", list, "The following header is not allowed in the headers list as it is already set automatically: " & headerName) | 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? | lns3.scpt |
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, | lns3.scpt |
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" | lns3.scpt |
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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