(Objective-C) Aruba Fatturazione Elettronica Get Zip by Filename

Returns an invoice with all of its notifications in Zip format (e.g. IT01879020517_abcde.xml.p7m).

For more information, see https://fatturazioneelettronica.aruba.it/apidoc/docs_EN.html#_getzipbyfilename

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#import <CkoHttp.h>
#import <CkoBinData.h>
#import <CkoZip.h>
#import <CkoZipEntry.h>
#import <CkoCrypt2.h>

// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

CkoHttp *http = [[CkoHttp alloc] init];
BOOL success;

// Implements the following CURL command:

// curl -X GET https://ws.fatturazioneelettronica.aruba.it/services/invoice/in/getZipByFilename?filename=IT01879020517_jtlk1.xml.p7m \
//   -H "Accept: application/json" \
//   -H "Authorization: Bearer NLOGDVXLVaF3tzmnVPkTwpkuh7dG0i09uSCcog3u+rE="

// Use the following online tool to generate HTTP code from a CURL command
// Convert a cURL Command to HTTP Source Code

// Adds the "Authorization: Bearer NLOGDVXLVaF3tzmnVPkTwpkuh7dG0i09uSCcog3u+rE=" header.
http.AuthToken = @"NLOGDVXLVaF3tzmnVPkTwpkuh7dG0i09uSCcog3u+rE=";
[http SetRequestHeader: @"Accept" value: @"application/json"];

CkoBinData *bdZip = [[CkoBinData alloc] init];
success = [http QuickGetBd: @"https://ws.fatturazioneelettronica.aruba.it/services/invoice/in/getZipByFilename?filename=IT01879020517_jtlk1.xml.p7m" binData: bdZip];
if (success == NO) {
    NSLog(@"%@",http.LastErrorText);
    return;
}

int respStatusCode = [http.LastStatus intValue];
NSLog(@"%@%d",@"response status code = ",respStatusCode);

if (respStatusCode != 200) {
    // If it failed, the response body will not contain the .zip file data.
    // It will likely contain an error message.
    NSLog(@"%@",[bdZip GetString: @"utf-8"]);
    NSLog(@"%@",@"Failed.");
    return;
}

// Open the zip and extract the .p7m
CkoZip *zip = [[CkoZip alloc] init];

success = [zip OpenBd: bdZip];
if (success == NO) {
    NSLog(@"%@",zip.LastErrorText);
    return;
}

// If desired, we can unzip to the filesystem..
int numUnzipped = [[zip Unzip: @"c:/mySignedInvoices"] intValue];
if (numUnzipped < 0) {
    NSLog(@"%@",zip.LastErrorText);
    return;
}

// Alternatively, we can unzip into memory..
CkoZipEntry *entry = [zip GetEntryByIndex: [NSNumber numberWithInt: 0]];
if (zip.LastMethodSuccess == NO) {
    NSLog(@"%@",zip.LastErrorText);
    return;
}

CkoBinData *bdP7m = [[CkoBinData alloc] init];
success = [entry UnzipToBd: bdP7m];
if (success == NO) {
    NSLog(@"%@",entry.LastErrorText);
    return;
}

// Verify the signature and extract the XML from the p7m
// If the signature verification is successful, the contents of bdP7m are unwrapped and what
// remains is the original signed document..
CkoCrypt2 *crypt = [[CkoCrypt2 alloc] init];
success = [crypt OpaqueVerifyBd: bdP7m];
if (success == NO) {
    NSLog(@"%@",crypt.LastErrorText);
    return;
}

NSLog(@"%@",@"The signature was verified.");

// The bdp7m now contains the XML that was originally signed.
NSLog(@"%@",@"Original XML:");
NSLog(@"%@",[bdP7m GetString: @"utf-8"]);