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//
// QSLinkdingProvider.m
// QSDeliciousPlugIn
//
#import "QSLinkdingProvider.h"
#import "Constants.h"
#import "SocialSite.h"
#import <QSCore/QSCore.h>
@implementation QSLinkdingProvider
- (BOOL)canHandleSite:(SocialSite)site
username:(NSString *)username
password:(NSString *)password
host:(NSString *)host {
return (site == SocialSiteLinkding) && username.length > 0 &&
password.length > 0 && // password is API token for Linkding
host.length > 0;
}
- (NSData *)cachedBookmarkDataForHost:(NSString *)host
username:(NSString *)username {
// Create a safe filename from host
NSString *safeHost =
[[host componentsSeparatedByCharactersInSet:[[NSCharacterSet
alphanumericCharacterSet]
invertedSet]]
componentsJoinedByString:@"-"];
NSString *cachePath = [QSApplicationSupportSubPath(
[NSString stringWithFormat:@"Caches/linkding/"], NO)
stringByAppendingPathComponent:[NSString stringWithFormat:@"%@-%@.json",
safeHost,
username]];
return [NSData dataWithContentsOfFile:cachePath];
}
- (void)cacheBookmarkData:(NSData *)data
forHost:(NSString *)host
username:(NSString *)username {
// Create a safe filename from host
NSString *safeHost =
[[host componentsSeparatedByCharactersInSet:[[NSCharacterSet
alphanumericCharacterSet]
invertedSet]]
componentsJoinedByString:@"-"];
NSString *cachePath = [QSApplicationSupportSubPath(
[NSString stringWithFormat:@"Caches/linkding/"], YES)
stringByAppendingPathComponent:[NSString stringWithFormat:@"%@-%@.json",
safeHost,
username]];
[data writeToFile:cachePath atomically:NO];
}
- (NSArray *)fetchBookmarksForSite:(SocialSite)site
username:(NSString *)username
password:(NSString *)password
identifier:(NSString *)identifier
host:(NSString *)host
includeTags:(BOOL)includeTags {
if (![self canHandleSite:site
username:username
password:password
host:host]) {
return @[];
}
NSData *data = [self cachedBookmarkDataForHost:host username:username];
if (![data length]) {
NSString *baseURL = host;
if (![baseURL hasPrefix:@"http://"] && ![baseURL hasPrefix:@"https://"]) {
baseURL = [NSString stringWithFormat:@"https://%@", baseURL];
}
if ([baseURL hasSuffix:@"/"]) {
baseURL = [baseURL substringToIndex:[baseURL length] - 1];
}
// I'm being lazy with the limit for now. This should instead loop while
// there is a next, but then the caching will also need to be changed. If
// you have a particularly large linkding library, I apologize.
NSString *urlString =
[NSString stringWithFormat:@"%@/api/bookmarks/?limit=10000", baseURL];
NSURL *requestURL = [NSURL URLWithString:urlString];
if (!requestURL) {
NSLog(@"Invalid Linkding host URL: %@", host);
return @[];
}
NSMutableURLRequest *theRequest =
[NSMutableURLRequest requestWithURL:requestURL
cachePolicy:NSURLRequestUseProtocolCachePolicy
timeoutInterval:60.0];
[theRequest setHTTPMethod:@"GET"];
[theRequest setValue:@"application/json" forHTTPHeaderField:@"Accept"];
[theRequest setValue:[NSString stringWithFormat:@"Token %@", password]
forHTTPHeaderField:@"Authorization"];
[theRequest setValue:@"Quicksilver (Blacktree,MacOSX)"
forHTTPHeaderField:@"User-Agent"];
NSError *error = nil;
data = [NSURLConnection sendSynchronousRequest:theRequest
returningResponse:nil
error:&error];
if (error) {
NSLog(@"Error fetching Linkding bookmarks: %@",
error.localizedDescription);
return @[];
}
[self cacheBookmarkData:data forHost:host username:username];
}
NSError *jsonError = nil;
NSDictionary *jsonResponse =
[NSJSONSerialization JSONObjectWithData:data options:0 error:&jsonError];
if (jsonError) {
NSLog(@"Error parsing Linkding JSON: %@", jsonError.localizedDescription);
return @[];
}
NSArray *results = [jsonResponse objectForKey:@"results"];
if (!results || ![results isKindOfClass:[NSArray class]]) {
NSLog(@"Invalid Linkding response format");
return @[];
}
NSMutableArray *objects = [NSMutableArray arrayWithCapacity:1];
NSMutableSet *tagSet = [NSMutableSet set];
for (NSDictionary *bookmark in results) {
QSObject *newObject = [self objectForLinkdingBookmark:bookmark];
if (newObject) {
[objects addObject:newObject];
if (includeTags) {
NSArray *tags = [bookmark objectForKey:@"tag_names"];
if (tags && [tags isKindOfClass:[NSArray class]]) {
[tagSet addObjectsFromArray:tags];
}
}
}
}
if (includeTags) {
for (NSString *tag in tagSet) {
if (tag.length > 0) {
QSObject *tagObject = [QSObject
makeObjectWithIdentifier:[NSString
stringWithFormat:@"[Linkding tag]:%@",
tag]];
[tagObject setObject:tag forType:kTagType];
[tagObject setObject:@(site) forMeta:kTagSiteField];
[tagObject setObject:username forMeta:kTagUsernameField];
[tagObject setObject:host forMeta:kTagHostField];
// We need the identifier to be able to fetch the keychain password
[tagObject setObject:identifier forMeta:kTagIdentifierField];
[tagObject setName:tag];
[tagObject setPrimaryType:kTagType];
[objects addObject:tagObject];
}
}
}
return objects;
}
- (NSArray *)fetchBookmarksForTag:(NSString *)tag
site:(SocialSite)site
username:(NSString *)username
password:(NSString *)password
host:(NSString *)host {
NSData *data = [self cachedBookmarkDataForHost:host username:username];
if (!data)
return @[];
NSError *jsonError;
NSDictionary *jsonResponse =
[NSJSONSerialization JSONObjectWithData:data options:0 error:&jsonError];
if (jsonError)
return @[];
NSArray *results = [jsonResponse objectForKey:@"results"];
if (!results || ![results isKindOfClass:[NSArray class]])
return @[];
NSMutableArray *objects = [NSMutableArray arrayWithCapacity:1];
for (NSDictionary *bookmark in results) {
NSArray *tags = [bookmark objectForKey:@"tag_names"];
if (tags && [tags isKindOfClass:[NSArray class]] &&
[tags containsObject:tag]) {
QSObject *newObject = [self objectForLinkdingBookmark:bookmark];
if (newObject) {
[objects addObject:newObject];
}
}
}
return objects;
}
- (QSObject *)objectForLinkdingBookmark:(NSDictionary *)bookmark {
NSNumber *bookmarkId = [bookmark objectForKey:@"id"];
NSString *url = [bookmark objectForKey:@"url"];
NSString *title = [bookmark objectForKey:@"title"];
NSString *description = [bookmark objectForKey:@"description"];
if (!bookmarkId || !url)
return nil;
QSObject *newObject = [QSObject
makeObjectWithIdentifier:[NSString stringWithFormat:@"linkding-%@",
bookmarkId]];
[newObject setObject:url forType:QSURLType];
[newObject setName:title.length > 0 ? title : url];
[newObject setDetails:description.length > 0 ? description : @""];
[newObject setPrimaryType:QSURLType];
return newObject;
}
@end
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