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Handle base64-encoded command parameters in EAS

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This commit is contained in:
Ludovic Marcotte
2014-11-04 13:50:10 -05:00
parent 52fdcc34de
commit 4b9958336c
1 changed files with 37 additions and 7 deletions
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ActiveSync/NSString+ActiveSync.m
+37 -7
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@@ -41,6 +41,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <NGExtensions/NSString+misc.h>
static NSArray *easCommandCodes = nil;
static NSArray *easCommandParameters = nil;
@implementation NSString (ActiveSync)
@@ -147,10 +148,10 @@ static NSArray *easCommandCodes = nil;
// We handle BASE64 encoded queryStrings. See http://msdn.microsoft.com/en-us/library/ee160227%28v=exchg.80%29.aspx for details.
if ([components count] == 1)
{
NSString *deviceType;
NSString *deviceType, *parameterValue;
NSData *queryString;
int cmd_code, deviceid_length, policy_length, devicetype_length;
int cmd_code, deviceid_length, policy_length, devicetype_length, parameter_code, parameter_length, i;
const char* qs_bytes;
queryString = [[components objectAtIndex: 0] dataByDecodingBase64];
@@ -164,22 +165,51 @@ static NSArray *easCommandCodes = nil;
RETAIN(easCommandCodes);
}
if (!easCommandParameters)
{
easCommandParameters = [NSArray arrayWithObjects:@"AttachmentName", @"CollectionId", @"na", @"ItemId", @"LongId", @"na", @"Occurrence", @"Options", @"User", nil];
RETAIN(easCommandParameters);
}
// Command code, 1 byte, ie.: cmd=
cmd_code = qs_bytes[1];
[components addObject:[NSString stringWithFormat: @"cmd=%@", [easCommandCodes objectAtIndex: cmd_code]]];
[components addObject: [NSString stringWithFormat: @"cmd=%@", [easCommandCodes objectAtIndex: cmd_code]]];
// Device ID length and Device ID (variable)
deviceid_length = qs_bytes[4];
[components addObject:[NSString stringWithFormat: @"deviceId=%@", [[NSData encodeDataAsHexString:[queryString subdataWithRange:NSMakeRange(5, deviceid_length)]] uppercaseString]]];
[components addObject: [NSString stringWithFormat: @"deviceId=%@", [[NSData encodeDataAsHexString: [queryString subdataWithRange: NSMakeRange(5, deviceid_length)]] uppercaseString]]];
// Device type length and type (variable)
policy_length = qs_bytes[5+deviceid_length];
devicetype_length = qs_bytes[5+deviceid_length+1+policy_length];
deviceType = [[NSString alloc] initWithData:[queryString subdataWithRange: NSMakeRange(5+deviceid_length+1+policy_length+1, devicetype_length)]
encoding:NSASCIIStringEncoding];
deviceType = [[NSString alloc] initWithData: [queryString subdataWithRange: NSMakeRange(5+deviceid_length+1+policy_length+1, devicetype_length)]
encoding: NSASCIIStringEncoding];
AUTORELEASE(deviceType);
[components addObject:[NSString stringWithFormat: @"deviceType=%@", deviceType]];
[components addObject: [NSString stringWithFormat: @"deviceType=%@", deviceType]];
// Command Parameters
i = 5+deviceid_length+1+policy_length+1+devicetype_length;
while (i < [queryString length])
{
parameter_code = qs_bytes[i];
parameter_length = qs_bytes[i+1];
parameterValue = [[NSString alloc] initWithData: [queryString subdataWithRange: NSMakeRange(i+1+1, parameter_length)]
encoding: NSASCIIStringEncoding];
AUTORELEASE(parameterValue);
// parameter_code 7 == Options
// http://msdn.microsoft.com/en-us/library/ee237789(v=exchg.80).aspx
if (parameter_code == 7)
[components addObject: [NSString stringWithFormat: @"%@=%@", [easCommandParameters objectAtIndex: parameter_code],
([parameterValue isEqualToString: @"\001"]) ? @"SaveInSent" : @"AcceptMultiPart"]];
else
[components addObject: [NSString stringWithFormat: @"%@=%@", [easCommandParameters objectAtIndex: parameter_code], parameterValue]];
i = i + 1 + 1 + parameter_length;
}
}
for (i = 0; i < [components count]; i++)