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#import "OFAddressTranslationFailedException.h"
#import "OFConnectionFailedException.h"
#import "OFHTTPRequestFailedException.h"
#import "OFInvalidFormatException.h"
#import "OFInvalidServerReplyException.h"
#import "OFOpenItemFailedException.h"
#import "OFOutOfRangeException.h"
#import "OFStatItemFailedException.h"
#import "OFUnsupportedProtocolException.h"
#import "ProgressBar.h"
#define GIBIBYTE (1024 * 1024 * 1024)
#define MEBIBYTE (1024 * 1024)
#define KIBIBYTE (1024)
@interface OFHTTP: OFObject
{
OFArray *_URLs;
size_t _URLIndex;
int _errorCode;
OFString *_outputPath;
bool _continue, _quiet;
OFHTTPClient *_HTTPClient;
char *_buffer;
OFStream *_output;
intmax_t _received, _length;
intmax_t _received, _length, _resumedFrom;
ProgressBar *_progressBar;
}
- (void)downloadNextURL;
@end
OF_APPLICATION_DELEGATE(OFHTTP)
static void
help(OFStream *stream, bool full, int status)
{
[of_stderr writeFormat:
@"Usage: %@ -[hoq] url1 [url2 ...]\n",
@"Usage: %@ -[choq] url1 [url2 ...]\n",
[OFApplication programName]];
if (full)
[stream writeString:
@"\nOptions:\n"
@" -c Continue download of existing file\n"
@" -h Show this help\n"
@" -o Output filename\n"
@" -q Quiet mode (no output, except errors)\n"];
[OFApplication terminateWithStatus: status];
}
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return self;
}
- (void)applicationDidFinishLaunching
{
OFOptionsParser *optionsParser =
[OFOptionsParser parserWithOptions: @"ho:q"];
[OFOptionsParser parserWithOptions: @"cho:q"];
of_unichar_t option;
while ((option = [optionsParser nextOption]) != '\0') {
switch (option) {
case 'c':
_continue = true;
break;
case 'h':
help(of_stdout, true, 0);
break;
case 'o':
[_outputPath release];
_outputPath = [[optionsParser argument] retain];
break;
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return false;
}
- (void)downloadNextURL
{
OFString *URLString = nil;
OFURL *URL;
OFMutableDictionary *clientHeaders;
OFHTTPRequest *request;
OFHTTPResponse *response;
OFDictionary *headers;
OFString *fileName, *lengthString, *type;
_length = -1;
_received = 0;
_received = _resumedFrom = 0;
if (_output != of_stdout)
[_output release];
_output = nil;
if (_URLIndex >= [_URLs count])
[OFApplication terminateWithStatus: _errorCode];
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_errorCode = 1;
goto next;
}
if (!_quiet)
[of_stdout writeFormat: @"⇣ %@", [URL string]];
if (_outputPath != nil)
fileName = _outputPath;
else
fileName = [[URL path] lastPathComponent];
clientHeaders = [OFMutableDictionary
dictionaryWithObject: @"OFHTTP"
forKey: @"User-Agent"];
if (_continue) {
@try {
off_t size = [OFFile sizeOfFileAtPath: fileName];
OFString *range;
if (size > INTMAX_MAX)
@throw [OFOutOfRangeException exception];
_resumedFrom = (intmax_t)size;
range = [OFString stringWithFormat: @"bytes=%jd-",
_resumedFrom];
[clientHeaders setObject: range
forKey: @"Range"];
} @catch (OFStatItemFailedException *e) {
}
}
request = [OFHTTPRequest requestWithURL: URL];
[request setHeaders: clientHeaders];
@try {
response = [_HTTPClient performRequest: request];
} @catch (OFHTTPRequestFailedException *e) {
if (!_quiet)
[of_stdout writeFormat: @" ➜ %d\n",
[[e response] statusCode]];
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if (!_quiet)
[of_stdout writeFormat: @" ➜ %d\n", [response statusCode]];
headers = [response headers];
lengthString = [headers objectForKey: @"Content-Length"];
type = [headers objectForKey: @"Content-Type"];
if (_outputPath != nil)
fileName = _outputPath;
else
fileName = [[URL path] lastPathComponent];
@"%.2f GiB", (float)_length / GIBIBYTE];
@"%.2f GiB",
(float)(_resumedFrom + _length) / GIBIBYTE];
else if (_length >= MEBIBYTE)
lengthString = [OFString stringWithFormat:
@"%.2f MiB", (float)_length / MEBIBYTE];
@"%.2f MiB",
(float)(_resumedFrom + _length) / MEBIBYTE];
else if (_length >= KIBIBYTE)
lengthString = [OFString stringWithFormat:
@"%.2f KiB", (float)_length / KIBIBYTE];
@"%.2f KiB",
(float)(_resumedFrom + _length) / KIBIBYTE];
else
lengthString = [OFString stringWithFormat:
@"%jd bytes", _length];
@"%jd bytes", _resumedFrom + _length];
} else
lengthString = @"unknown";
[of_stdout writeFormat: @" Name: %@\n", fileName];
[of_stdout writeFormat: @" Type: %@\n", type];
[of_stdout writeFormat: @" Size: %@\n", lengthString];
}
if ([_outputPath isEqual: @"-"])
_output = of_stdout;
else {
if ([OFFile fileExistsAtPath: fileName]) {
if (!_continue && [OFFile fileExistsAtPath: fileName]) {
[of_stderr writeFormat:
@"%@: File %@ already exists!\n",
[OFApplication programName], fileName];
_errorCode = 1;
goto next;
}
@try {
OFString *mode =
([response statusCode] == 206 ? @"ab" : @"wb");
_output = [[OFFile alloc] initWithPath: fileName
mode: @"wb"];
mode: mode];
} @catch (OFOpenItemFailedException *e) {
[of_stderr writeFormat:
@"%@: Failed to open file %@!\n",
[OFApplication programName], fileName];
_errorCode = 1;
goto next;
}
}
if (!_quiet) {
_progressBar = [[ProgressBar alloc] initWithLength: _length];
_progressBar = [[ProgressBar alloc]
initWithLength: _length
resumedFrom: _resumedFrom];
[_progressBar setReceived: _received];
[_progressBar draw];
}
[response asyncReadIntoBuffer: _buffer
length: [OFSystemInfo pageSize]
target: self
selector: @selector(stream:didReadIntoBuffer:
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