Synnefo » Pithos iOS Client

//

//  AccountDetailsViewController.m

//  OpenStack

//

//  Created by Mike Mayo on 10/7/10.

//  The OpenStack project is provided under the Apache 2.0 license.

//

#import "AccountDetailsViewController.h"

#import "Provider.h"

#import "RSTextFieldCell.h"

#import "OpenStackAccount.h"

#import "RootViewController.h"

#import "ProvidersViewController.h"

#import "OpenStackRequest.h"

#import "UIViewController+Conveniences.h"

#import "NSString+Conveniences.h"

#import "ActivityIndicatorView.h"

#import "OpenStackAppDelegate.h"

#import "UIColor+MoreColors.h"

#define kUsername 0

#define kAPIKey 1

#define kProviderName 0

#define kAuthEndpoint 1

@implementation AccountDetailsViewController

@synthesize provider, rootViewController, providersViewController, activityIndicatorView;

@synthesize userName, apiKey;

- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation {

    return (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) || (toInterfaceOrientation == UIInterfaceOrientationPortrait);

}

#pragma mark -

#pragma mark HTTP Response Handlers

- (void)authenticationSucceded:(OpenStackRequest *)request {

    [self.activityIndicatorView removeFromSuperview];

    if ([request isSuccess]) {        

        account.authToken = [[request responseHeaders] objectForKey:@"X-Auth-Token"];

        account.serversURL = [NSURL URLWithString:[[request responseHeaders] objectForKey:@"X-Server-Management-Url"]];

        NSString *filesStorageURL;

        if (![[request responseHeaders] objectForKey:@"X-Storage-URL"]) {

            filesStorageURL = [NSString stringWithFormat:@"%@/v1/%@",

                                         [account.hostURL absoluteString],

                                         [account username]];

            account.filesURL = [NSURL URLWithString:filesStorageURL];

        }

        else {

            account.filesURL = [NSURL URLWithString:[[request responseHeaders] objectForKey:@"X-Storage-Url"]];

        }

        account.pithosPublicLinkURLPrefix = account.hostURL;

        account.pithosLoginURLPrefix = [NSURL URLWithString:

                                        [[account.hostURL absoluteString]

                                         stringByAppendingString:@"/login"]];

        NSString *cdnStr = [[request responseHeaders] objectForKey:@"X-Cdn-Management-Url"];

        if (!cdnStr) {

            cdnStr = [[request responseHeaders] objectForKey:@"X-CDN-Management-Url"];

        }

        if (cdnStr) {

            account.cdnURL = [NSURL URLWithString:cdnStr];

        }

        [account persist];

        [rootViewController.tableView reloadData];

        [account refreshCollections];

        [self.navigationController dismissModalViewControllerAnimated:YES];

    } else {

        self.navigationItem.rightBarButtonItem.enabled = NO;

        [self alert:@"Authentication Failure" message:@"Please check your User Name and Token."];

    }

}

- (void)authenticationFailed:(OpenStackRequest *)request {

    [self.activityIndicatorView removeFromSuperview];

    self.navigationItem.rightBarButtonItem.enabled = YES;

    if ([request responseStatusCode] == 401) {

        [self alert:@"Authentication Failure" message:@"Please check your User Name and Token."];

    } else {

        [self failOnBadConnection];

    }

}

- (void)authenticate {

    BOOL valid = YES;

    if (customProvider) {

        valid = valid && providerNameTextField.text && ![@"" isEqualToString:providerNameTextField.text];

        if (!valid) {

            [self alert:nil message:@"Please enter a provider name."];

            self.navigationItem.rightBarButtonItem.enabled = YES;

            [providerNameTextField becomeFirstResponder];

        } else {

            valid = valid && apiEndpointTextField.text && ![@"" isEqualToString:apiEndpointTextField.text];

            if (!valid) {

                [self alert:nil message:@"Please enter an API authentication URL."];

                self.navigationItem.rightBarButtonItem.enabled = YES;

                [apiEndpointTextField becomeFirstResponder];

            } else {

                valid = valid && apiEndpointTextField.text && [apiEndpointTextField.text isURL];

                if (!valid) {

                    [self alert:nil message:@"Please enter a valid API authentication URL."];

                    self.navigationItem.rightBarButtonItem.enabled = YES;

                    [apiEndpointTextField becomeFirstResponder];

                } else {

                    valid = valid && usernameTextField.text && ![@"" isEqualToString:usernameTextField.text];

                    if (!valid) {

                        [self alert:nil message:@"Please enter your username."];

                        self.navigationItem.rightBarButtonItem.enabled = YES;

                        [usernameTextField becomeFirstResponder];

                    } else {

                        valid = valid && apiKeyTextField.text && ![@"" isEqualToString:apiKeyTextField.text];

                        if (!valid) {

                            [self alert:nil message:@"Please enter your token."];

                            self.navigationItem.rightBarButtonItem.enabled = YES;

                            [apiKeyTextField becomeFirstResponder];

                        } else {

                            account = [[OpenStackAccount alloc] init];

                            account.provider = provider;

                            if (!account.provider) {

                                Provider *p = [[Provider alloc] init];

                                p.name = providerNameTextField.text;                                

                                NSString *urlString = apiEndpointTextField.text;

                                if ([urlString characterAtIndex:[urlString length] - 1] == '/') {

                                    urlString = [urlString substringToIndex:[urlString length] - 1];

                                }

                                p.authEndpointURL = [NSURL URLWithString:[urlString stringByAppendingString:@"/v1"]];

                                account.provider = p;

                                [p release];

                            }

                            account.username = usernameTextField.text;

                            account.apiKey = [NSString stringWithString:apiKeyTextField.text];

                            NSString *authEndPointURL = [account.provider.authEndpointURL absoluteString];

                            account.hostURL = [NSURL URLWithString:[authEndPointURL substringToIndex:[authEndPointURL rangeOfString:@"/v1"].location]];

                            self.activityIndicatorView = [[[ActivityIndicatorView alloc] initWithFrame:[ActivityIndicatorView frameForText:@"Authenticating..."] text:@"Authenticating..."] autorelease];

                            [self.activityIndicatorView addToView:self.view];

                            OpenStackRequest *request = [OpenStackRequest authenticationRequest:account];

                            request.delegate = self;

                            request.didFinishSelector = @selector(authenticationSucceded:);

                            request.didFailSelector = @selector(authenticationFailed:);

                            [request startAsynchronous];

                        }

                    }

                }                

            }

        }

    } else {

        valid = valid && usernameTextField.text && ![@"" isEqualToString:usernameTextField.text];

        if (!valid) {

            [self alert:nil message:@"Please enter your username."];

            self.navigationItem.rightBarButtonItem.enabled = YES;

            [usernameTextField becomeFirstResponder];

        } else {

            valid = valid && apiKeyTextField.text && ![@"" isEqualToString:apiKeyTextField.text];

            if (!valid) {

                [self alert:nil message:@"Please enter your token."];

                self.navigationItem.rightBarButtonItem.enabled = YES;

                [apiKeyTextField becomeFirstResponder];

            } else {

                account = [[OpenStackAccount alloc] init];                

                account.provider = provider;

                account.username = usernameTextField.text;

                account.apiKey = apiKeyTextField.text;

                NSString *authEndPointURL = [account.provider.authEndpointURL absoluteString];

                account.hostURL = [NSURL URLWithString:[authEndPointURL substringToIndex:[authEndPointURL rangeOfString:@"/v1"].location]];

                self.activityIndicatorView = [[[ActivityIndicatorView alloc] initWithFrame:[ActivityIndicatorView frameForText:@"Authenticating..."] text:@"Authenticating..."] autorelease];

                [self.activityIndicatorView addToView:self.view];

                OpenStackRequest *request = [OpenStackRequest authenticationRequest:account];

                request.delegate = self;

                request.didFinishSelector = @selector(authenticationSucceded:);

                request.didFailSelector = @selector(authenticationFailed:);

                [request startAsynchronous];

            }

        }

    }

}

#pragma mark -

#pragma mark Button Handlers

- (void)saveButtonPressed:(id)sender {

    self.navigationItem.rightBarButtonItem.enabled = NO;

    tableShrunk = NO;

    CGRect rect = self.tableView.frame;

    rect.size.height = 416.0;

    self.tableView.frame = rect;

    [self authenticate];

}

#pragma mark - View lifecycle

- (void)viewDidLoad {

    [super viewDidLoad];

    self.navigationItem.title = @"Authentication";

    providerSection = -1;

    authenticationSection = 0;

    getTokenSection = 1;

    [self addSaveButton];

}

- (void)viewWillAppear:(BOOL)animated {

    [super viewWillAppear:animated];

    if (provider == nil) {

        customProvider = YES;

        providerSection = 0;

        authenticationSection = 1;

        getTokenSection = 2;

        [self.tableView reloadData];

    } 

}

- (void)viewDidAppear:(BOOL)animated {

    [super viewDidAppear:animated];

    [customProvider ? providerNameTextField : usernameTextField becomeFirstResponder];

}

- (void)viewWillDisappear:(BOOL)animated {

    [super viewWillDisappear:animated];

    [usernameTextField resignFirstResponder];

    [apiKeyTextField resignFirstResponder];

    [providerNameTextField resignFirstResponder];

    [apiEndpointTextField resignFirstResponder];

    tableShrunk = NO;

    CGRect rect = self.tableView.frame;

    rect.size.height = 416.0;

    self.tableView.frame = rect;

}

#pragma mark -

#pragma mark Table view data source

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {

    if (customProvider)

        return 3;

    else

        return 2;

}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {

    if (section == getTokenSection)

        return 1;

    else 

        return 2;

}

- (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section {

    if (section == authenticationSection) {

        if (customProvider) {

            return @"Login";

        } else {

            return [NSString stringWithFormat:@"%@ Login", provider.name];

        }

    } else if (section == providerSection) {

        return @"Provider Details";

    } else {

        return @"";

    }

}

- (NSString *)tableView:(UITableView *)tableView titleForFooterInSection:(NSInteger)section {

    if (customProvider) {

        return @"";

    } else {

        return provider.authHelpMessage;

    }

}

- (RSTextFieldCell *)textCell:(NSString *)labelText textField:(UITextField **)textField secure:(BOOL)secure returnKeyType:(UIReturnKeyType)returnKeyType {

    RSTextFieldCell *cell = (RSTextFieldCell *)[self.tableView dequeueReusableCellWithIdentifier:labelText];

    if (cell == nil) {

        if ([labelText isEqualToString:@"API URL"])

            cell = [[[RSTextFieldCell alloc] initCellWithFixedLabel:@"/v1" withStyle:UITableViewCellStyleValue1

                                                    reuseIdentifier:labelText] autorelease];

        else 

            cell = [[[RSTextFieldCell alloc] initWithStyle:UITableViewCellStyleValue1

                                           reuseIdentifier:labelText] autorelease];

        cell.selectionStyle = UITableViewCellSelectionStyleNone;

        cell.modalPresentationStyle = UIModalPresentationFormSheet;

        cell.textLabel.text = labelText;

        *textField = cell.textField;

        ((UITextField *)*textField).delegate = self;

        ((UITextField *)*textField).secureTextEntry = secure;

        ((UITextField *)*textField).returnKeyType = returnKeyType;

        if ([labelText isEqualToString:@"Username"])

            (*textField).text = userName;

        else if ([labelText isEqualToString:@"Token"])

            (*textField).text = apiKey;

    }

    return cell;

}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {

    UITableViewCell *cell = nil;

    if (indexPath.section == authenticationSection) {

        if (indexPath.row == kUsername) {

            if (userName)

                usernameTextField.text = userName;

            cell = [self textCell:@"Username" textField:&usernameTextField secure:NO returnKeyType:UIReturnKeyNext];

            if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {

                CGRect rect = usernameTextField.frame;

                CGFloat offset = 19.0;

                usernameTextField.frame = CGRectMake(rect.origin.x + offset, rect.origin.y, rect.size.width - offset, rect.size.height);

            }

        } else if (indexPath.row == kAPIKey) {

            if (apiKey)

                apiKeyTextField.text = apiKey;

                cell = [self textCell:@"Token" textField:&apiKeyTextField secure:YES returnKeyType:UIReturnKeyDone];

        }

    } else if (indexPath.section == providerSection) {

        if (indexPath.row == kProviderName) {

            cell = [self textCell:@"Name" textField:&providerNameTextField secure:NO returnKeyType:UIReturnKeyNext];

            providerNameTextField.placeholder = @"Ex: Pithos";

        } else if (indexPath.row == kAuthEndpoint) {

            cell = [self textCell:@"API URL" textField:&apiEndpointTextField secure:NO returnKeyType:UIReturnKeyNext];

            apiEndpointTextField.placeholder = @"Type server's url here";            

        }

    } else if (indexPath.section == getTokenSection) {

        static NSString *CellIdentifier = @"Cell";

        cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];

        if (cell == nil) {

            cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] autorelease];

        }

        cell.textLabel.text = @"Get Token";

    }

    return cell;

}

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {

    if (indexPath.section == getTokenSection) {

        NSString *loginURLPrefix = @"";

        if (customProvider) {

            if (!apiEndpointTextField.text || (apiEndpointTextField.text && apiEndpointTextField.text.length == 0))

                [self alert:@"No API URL" message:@"Please enter an API URL"];

            else 

                loginURLPrefix = [apiEndpointTextField.text stringByAppendingString:@"/login"];

        } else

            loginURLPrefix = [[provider.authEndpointURL absoluteString] stringByReplacingOccurrencesOfString:@"/v1" withString:@"/login"];

        if (loginURLPrefix.length > 0) {

            NSString *loginURL = [NSString stringWithFormat:@"%@?next=pithos://login&force=", loginURLPrefix]; 

            [[UIApplication sharedApplication] openURL:[NSURL URLWithString:loginURL]];

        }

        [tableView deselectRowAtIndexPath:indexPath animated:NO];

        if (tableShrunk) {

            tableShrunk = NO;

            CGRect rect = self.tableView.frame;

            rect.size.height = 416.0;

            self.tableView.frame = rect;

        }

    }

}

#pragma mark -

#pragma mark Text Field Delegate

- (void)tableShrinkAnimationDidStop:(NSString *)animationID finished:(NSNumber *)finished context:(void *)context {

    UITextField *textField = ((UITextField *)context);

    if ([textField isEqual:apiKeyTextField] || [textField isEqual:usernameTextField]) {

        [self.tableView scrollToRowAtIndexPath:[NSIndexPath indexPathForRow:kAPIKey inSection:authenticationSection] atScrollPosition:UITableViewScrollPositionNone animated:NO];

    }

}

- (void)textFieldDidBeginEditing:(UITextField *)textField {    

    if (!tableShrunk) {

        if (UI_USER_INTERFACE_IDIOM() != UIUserInterfaceIdiomPad) {

            [UIView beginAnimations:nil context:textField];

            [UIView setAnimationDuration:0.35];

            [UIView setAnimationDelegate:self];

            [UIView setAnimationDidStopSelector:@selector(tableShrinkAnimationDidStop:finished:context:)];

            CGRect rect = self.tableView.frame;

            rect.size.height = 200.0;

            self.tableView.frame = rect;

            [UIView commitAnimations];

            tableShrunk = YES;

        }

    }

}

- (BOOL)textFieldShouldReturn:(UITextField *)textField {    

    if ([textField isEqual:providerNameTextField]) {

        [apiEndpointTextField becomeFirstResponder];

    } else if ([textField isEqual:apiEndpointTextField]) {

        [usernameTextField becomeFirstResponder];

        [self.tableView scrollToRowAtIndexPath:[NSIndexPath indexPathForRow:kAPIKey inSection:authenticationSection] atScrollPosition:UITableViewScrollPositionNone animated:YES];

    } else if ([textField isEqual:usernameTextField]) {

        [apiKeyTextField becomeFirstResponder];

        [self.tableView scrollToRowAtIndexPath:[NSIndexPath indexPathForRow:kAPIKey inSection:authenticationSection] atScrollPosition:UITableViewScrollPositionNone animated:YES];

    } else {

        [textField resignFirstResponder];

        self.navigationItem.rightBarButtonItem.enabled = NO;        

        tableShrunk = NO;

        CGRect rect = self.tableView.frame;

        rect.size.height = 416.0;

        self.tableView.frame = rect;

        [self authenticate];

    }

    return NO;

}

#pragma mark -

#pragma mark Memory management

- (void)dealloc {

    [provider release];

    [rootViewController release];

    [providersViewController release];

    [activityIndicatorView release];

    [userName release];

    [apiKey release];

    [super dealloc];

}

@end