Altered file download code

This commit is contained in:
Fergal Moran
2014-05-05 12:11:28 +01:00
parent 6ecec7af01
commit 7cd935748c
7 changed files with 537 additions and 79 deletions

View File

@@ -1,19 +1,18 @@
#e Django settings for dss project.
from datetime import timedelta
import os
import mimetypes
from django.core.urlresolvers import reverse_lazy
import djcelery
from django.conf import global_settings
import sys
from dss import localsettings
from dss import logsettings
from utils import here
from localsettings import *
from pipelinesettings import *
from paymentsettings import *
DEBUG = localsettings.DEBUG
DEVELOPMENT = localsettings.DEBUG
DEVELOPMENT = DEBUG
TEMPLATE_DEBUG = DEBUG
@@ -24,23 +23,15 @@ ADMINS = (
MANAGERS = ADMINS
AUTH_PROFILE_MODULE = 'spa.UserProfile'
ALLOWED_HOSTS = ['*'] #localsettings.ALLOWED_HOSTS if hasattr(localsettings, 'ALLOWED_HOSTS') else []
ALLOWED_HOSTS = ['*']
DATABASES = {
'default': {
'ENGINE': 'django.db.backends.postgresql_psycopg2',
'NAME': 'deepsouthsounds',
'ADMINUSER': 'postgres',
'USER': localsettings.DATABASE_USER if hasattr(localsettings, 'DATABASE_USER') else 'deepsouthsounds',
'PASSWORD': localsettings.DATABASE_PASSWORD if hasattr(localsettings, 'DATABASE_PASSWORD') else '',
'HOST': localsettings.DATABASE_HOST if hasattr(localsettings, 'DATABASE_HOST') else 'localhost',
},
'test': {
'ENGINE': 'django.db.backends.postgresql_psycopg2',
'NAME': 'test_deepsouthsounds',
'ADMINUSER': 'postgres',
'USER': localsettings.DATABASE_USER if hasattr(localsettings, 'DATABASE_USER') else 'deepsouthsounds',
'PASSWORD': localsettings.DATABASE_PASSWORD if hasattr(localsettings, 'DATABASE_PASSWORD') else '',
'HOST': localsettings.DATABASE_HOST if hasattr(localsettings, 'DATABASE_HOST') else 'localhost',
'USER': DATABASE_USER,
'PASSWORD': DATABASE_PASSWORD,
'HOST': DATABASE_HOST,
}
}
import sys
@@ -57,9 +48,7 @@ USE_L10N = True
s = True
SITE_ROOT = here('')
MEDIA_ROOT = localsettings.MEDIA_ROOT
STATIC_ROOT = localsettings.STATIC_ROOT
CACHE_ROOT = localsettings.CACHE_ROOT
CACHES = {
'default': {
'BACKEND': 'django.core.cache.backends.memcached.MemcachedCache',
@@ -67,13 +56,6 @@ CACHES = {
}
}
STATIC_URL = localsettings.STATIC_URL if hasattr(localsettings, 'STATIC_URL') else '/static/'
if DEBUG:
MEDIA_URL = localsettings.MEDIA_URL if hasattr(localsettings, 'MEDIA_URL') else '/media/'
else:
MEDIA_URL = localsettings.MEDIA_URL if hasattr(localsettings, 'MEDIA_URL') else '/static/'
ADMIN_MEDIA_PREFIX = STATIC_URL + "grappelli/"
TINYMCE_JS_URL = os.path.join(STATIC_ROOT, "js/libs/tiny_mce/tiny_mce.js")
@@ -116,8 +98,6 @@ STATICFILES_DIRS = (
here('static'),
)
SECRET_KEY = localsettings.SECRET_KEY
TEMPLATE_LOADERS = (
('django.template.loaders.cached.Loader', (
'django.template.loaders.filesystem.Loader',
@@ -158,6 +138,7 @@ MIDDLEWARE_CLASSES = (
WSGI_APPLICATION = 'dss.wsgi.application'
TEMPLATE_DIRS = (here('templates'),)
INSTALLED_APPS = (
'grappelli',
'django.contrib.admin',
@@ -204,13 +185,6 @@ LOGOUT_URL = reverse_lazy('home')
LOGGING = logsettings.LOGGING
FACEBOOK_APP_ID = '154504534677009'
FACEBOOK_APP_SECRET = localsettings.FACEBOOK_APP_SECRET
BROKER_HOST = localsettings.BROKER_HOST
BROKER_PORT = localsettings.BROKER_PORT
BROKER_VHOST = localsettings.BROKER_VHOST
BROKER_USER = localsettings.BROKER_USER
BROKER_PASSWORD = localsettings.BROKER_PASSWORD
djcelery.setup_loader()
@@ -229,11 +203,7 @@ SOCIALACCOUNT_PROVIDERS = {
AVATAR_STORAGE_DIR = MEDIA_ROOT + '/avatars/'
ACCOUNT_LOGOUT_REDIRECT_URL = '/'
DSS_TEMP_PATH = localsettings.DSS_TEMP_PATH
DSS_LAME_PATH = localsettings.DSS_LAME_PATH
DSS_WAVE_PATH = localsettings.DSS_WAVE_PATH
PIPELINE_YUI_BINARY = localsettings.PIPELINE_YUI_BINARY
PIPELINE_YUI_BINARY = ""
PIPELINE = False
PIPELINE_CSS = {
'defaults': {
@@ -248,29 +218,21 @@ PIPELINE_CSS = {
}
INTERNAL_IPS = ('127.0.0.1', '86.44.166.21', '192.168.1.111')
GOOGLE_ANALYTICS_CODE = localsettings.GOOGLE_ANALYTICS_CODE
TASTYPIE_DATETIME_FORMATTING = 'rfc-2822'
TASTYPIE_ALLOW_MISSING_SLASH = True
SENDFILE_BACKEND = localsettings.SENDFILE_BACKEND
SENDFILE_ROOT = os.path.join(MEDIA_ROOT, 'mixes')
SENDFILE_URL = '/media/mixes'
import mimetypes
mimetypes.add_type("text/xml", ".plist", False)
HTML_MINIFY = not localsettings.DEBUG
HTML_MINIFY = not DEBUG
EMAIL_HOST = localsettings.EMAIL_HOST
EMAIL_PORT = localsettings.EMAIL_PORT
DEFAULT_FROM_EMAIL = 'DSS ChatBot <chatbot@deepsouthsounds.com>'
DEFAULT_HTTP_PROTOCOL = 'http'
EMAIL_BACKEND = 'djrill.mail.backends.djrill.DjrillBackend'
MANDRILL_API_KEY = localsettings.MANDRILL_API_KEY
if DEBUG:
import mimetypes
@@ -282,25 +244,13 @@ if DEBUG:
mimetypes.add_type("font/ttf", ".ttf", True)
mimetypes.add_type("font/otf", ".otf", True)
# TODO(fergal.moran@gmail.com): #import localsettings - so all localsettings are part of import settings
REALTIME_HEADERS = {
'content-type': 'application/json'
}
DBBACKUP_STORAGE = localsettings.DBBACKUP_STORAGE
DBBACKUP_TOKENS_FILEPATH = localsettings.DBBACKUP_TOKENS_FILEPATH
DBBACKUP_DROPBOX_APP_KEY = localsettings.DBBACKUP_DROPBOX_APP_KEY
DBBACKUP_DROPBOX_APP_SECRET = localsettings.DBBACKUP_DROPBOX_APP_SECRET
DBBACKUP_CLEANUP_KEEP = 5
if 'test' in sys.argv:
try:
from test_settings import *
except ImportError:
pass
from paymentsettings import *
GEOIP_PATH = localsettings.GEOIP_PATH
from pipelinesettings import *

View File

@@ -1,10 +1,13 @@
import mimetypes
import os
import logging
import urlparse
from django.conf.urls import url
import json
from django.http import Http404, HttpResponse, HttpResponseForbidden, HttpResponseNotFound
from django.core.servers.basehttp import FileWrapper
from nginx_signing.signing import UriSigner
from sendfile import sendfile
from dss import settings
@@ -34,22 +37,49 @@ def download(request, mix_id):
mix = Mix.objects.get(pk=mix_id)
if mix is not None:
if mix.download_allowed:
mix.add_download(request.user)
audio_file = mix.get_absolute_path()
filename, extension = os.path.splitext(audio_file)
response = HttpResponse(FileWrapper(open(audio_file)),
content_type=mimetypes.guess_type(audio_file)[0])
if os.path.exists(audio_file):
return sendfile(
request,
audio_file,
attachment=True,
attachment_filename='Deep South Sounds - %s%s' % (
mix.title, extension
)
)
"""
signer = UriSigner(settings.DOWNLOAD_SIGNING_KEY)
response_url = urlparse.urljoin(
settings.DOWNLOAD_HOST,
signer.sign('/mixes/%s%s' % (mix.uid, extension)))
response = HttpResponse(response_url,
content_type=mimetypes.guess_type(audio_file)[0],
mimetype='application/force-download')
response['Content-Length'] = os.path.getsize(audio_file)
response['Content-Disposition'] = "attachment; filename=Deep South Sounds - %s%s" % (
mix.title, extension)
return response
response['Content-Disposition'] = \
"attachment; filename=\"Deep South Sounds - %s%s\"" % (
mix.title, extension
)
mix.add_download(request.user)
return HttpResponse(
json.dumps({
'url': response_url,
'filename': "Deep South Sounds - %s%s\"" % (
mix.title, extension
)
})
)
"""
else:
return HttpResponse('Downloads not allowed for this mix', status=401)
except Exception, ex:
print ex
return Http404("Mix not found")
raise Http404("Mix not found")
def start_streaming(request, mix_id):
@@ -58,7 +88,7 @@ def start_streaming(request, mix_id):
mix = Mix.objects.get(pk=mix_id)
if mix is not None:
mix.add_play(request.user)
#logger.debug('Found the mix (old method): %s' % mix.uid)
# logger.debug('Found the mix (old method): %s' % mix.uid)
logger.debug('Found the mix (new method) %s' % mix.uid)
filename = "%s/mixes/%s.mp3" % (here(settings.MEDIA_ROOT), mix.uid)
logger.debug('Serving file: %s' % filename)

View File

@@ -0,0 +1,19 @@
from django.core.management.base import NoArgsCommand
from datetime import datetime
from spa.models import Show
from spa.models.show import ShowOverlapException
DATE_FORMAT = '%d/%m/%Y %H:%M:%S'
START_DATE = datetime.strptime("28/04/2013 12:00:00", DATE_FORMAT)
END_DATE = datetime.strptime("28/04/2013 13:00:00", DATE_FORMAT)
class Command(NoArgsCommand):
def handle_noargs(self, **options):
try:
Show.objects.all().delete()
Show(description="Test event one", start=START_DATE, end=END_DATE).save()
Show(description="Test event one", start=START_DATE, end=END_DATE).save()
except Exception, ex:
print "Debug exception: %s" % ex.message

View File

@@ -13,6 +13,7 @@ class Show(Event):
"""
throw an exception if event overlaps with another event
"""
import ipdb; ipdb.set_trace()
overlaps = Show.objects.filter(
Q(start__gte=self.start, end__lte=self.start) |
Q(start__gte=self.end, end__lte=self.end)
@@ -20,4 +21,4 @@ class Show(Event):
if len(overlaps) != 0:
raise ShowOverlapException()
return super(Show, self).save(force_insert, force_update, using, update_fields)
return super(Show, self).save(force_insert, force_update, using, update_fields)

View File

@@ -1,4 +1,5 @@
define ['jquery', 'bootstrap', 'toastr'], ($, bootstrap, toastr) ->
define ['jquery', 'lib/jquery.filedownload', 'bootstrap', 'toastr'],
($, filedownload, bootstrap, toastr) ->
modal: (url) ->
return if $('#modal-header').length
if url
@@ -83,14 +84,24 @@ define ['jquery', 'bootstrap', 'toastr'], ($, bootstrap, toastr) ->
v.toString 16
downloadURL: (url) ->
iframe = document.getElementById("hiddenDownloader")
"""
$.getJSON url, (data) =>
$.fileDownload(data.url)
successCallback: (url) ->
alert "You just got a file download dialog or ribbon for this URL :" + url
return
failCallback: (html, url) ->
alert "Your file download just failed for this URL:" + url + "\r\n" + "Here was the resulting error HTML: \r\n" + html
return
"""
iframe = document.getElementById("if_dl_misecure")
if iframe is null
iframe = document.createElement("iframe")
iframe.id = "hiddenDownloader"
iframe.id = "if_dl_misecure"
iframe.style.visibility = "hidden"
document.body.appendChild iframe
iframe.src = url
true
isMe: (id) ->
id == com.podnoms.settings.currentUser

View File

@@ -1,7 +1,7 @@
// Generated by CoffeeScript 1.4.0
(function() {
define(['jquery', 'bootstrap', 'toastr'], function($, bootstrap, toastr) {
define(['jquery', 'lib/jquery.filedownload', 'bootstrap', 'toastr'], function($, filedownload, bootstrap, toastr) {
return {
modal: function(url) {
if ($('#modal-header').length) {
@@ -104,11 +104,13 @@
});
},
downloadURL: function(url) {
"$.getJSON url, (data) =>\n $.fileDownload(data.url)\n successCallback: (url) ->\n alert \"You just got a file download dialog or ribbon for this URL :\" + url\n return\n\n failCallback: (html, url) ->\n alert \"Your file download just failed for this URL:\" + url + \"\r\n\" + \"Here was the resulting error HTML: \r\n\" + html\n return";
var iframe;
iframe = document.getElementById("hiddenDownloader");
iframe = document.getElementById("if_dl_misecure");
if (iframe === null) {
iframe = document.createElement("iframe");
iframe.id = "hiddenDownloader";
iframe.id = "if_dl_misecure";
iframe.style.visibility = "hidden";
document.body.appendChild(iframe);
}

View File

@@ -0,0 +1,445 @@
/*
* jQuery File Download Plugin v1.4.2
*
* http://www.johnculviner.com
*
* Copyright (c) 2013 - John Culviner
*
* Licensed under the MIT license:
* http://www.opensource.org/licenses/mit-license.php
*
* !!!!NOTE!!!!
* You must also write a cookie in conjunction with using this plugin as mentioned in the orignal post:
* http://johnculviner.com/jquery-file-download-plugin-for-ajax-like-feature-rich-file-downloads/
* !!!!NOTE!!!!
*/
(function($, window){
// i'll just put them here to get evaluated on script load
var htmlSpecialCharsRegEx = /[<>&\r\n"']/gm;
var htmlSpecialCharsPlaceHolders = {
'<': 'lt;',
'>': 'gt;',
'&': 'amp;',
'\r': "#13;",
'\n': "#10;",
'"': 'quot;',
"'": 'apos;' /*single quotes just to be safe*/
};
$.extend({
//
//$.fileDownload('/path/to/url/', options)
// see directly below for possible 'options'
fileDownload: function (fileUrl, options) {
//provide some reasonable defaults to any unspecified options below
var settings = $.extend({
//
//Requires jQuery UI: provide a message to display to the user when the file download is being prepared before the browser's dialog appears
//
preparingMessageHtml: null,
//
//Requires jQuery UI: provide a message to display to the user when a file download fails
//
failMessageHtml: null,
//
//the stock android browser straight up doesn't support file downloads initiated by a non GET: http://code.google.com/p/android/issues/detail?id=1780
//specify a message here to display if a user tries with an android browser
//if jQuery UI is installed this will be a dialog, otherwise it will be an alert
//
androidPostUnsupportedMessageHtml: "Unfortunately your Android browser doesn't support this type of file download. Please try again with a different browser.",
//
//Requires jQuery UI: options to pass into jQuery UI Dialog
//
dialogOptions: { modal: true },
//
//a function to call while the dowload is being prepared before the browser's dialog appears
//Args:
// url - the original url attempted
//
prepareCallback: function (url) { },
//
//a function to call after a file download dialog/ribbon has appeared
//Args:
// url - the original url attempted
//
successCallback: function (url) { },
//
//a function to call after a file download dialog/ribbon has appeared
//Args:
// responseHtml - the html that came back in response to the file download. this won't necessarily come back depending on the browser.
// in less than IE9 a cross domain error occurs because 500+ errors cause a cross domain issue due to IE subbing out the
// server's error message with a "helpful" IE built in message
// url - the original url attempted
//
failCallback: function (responseHtml, url) { },
//
// the HTTP method to use. Defaults to "GET".
//
httpMethod: "GET",
//
// if specified will perform a "httpMethod" request to the specified 'fileUrl' using the specified data.
// data must be an object (which will be $.param serialized) or already a key=value param string
//
data: null,
//
//a period in milliseconds to poll to determine if a successful file download has occured or not
//
checkInterval: 100,
//
//the cookie name to indicate if a file download has occured
//
cookieName: "fileDownload",
//
//the cookie value for the above name to indicate that a file download has occured
//
cookieValue: "true",
//
//the cookie path for above name value pair
//
cookiePath: "/",
//
//the title for the popup second window as a download is processing in the case of a mobile browser
//
popupWindowTitle: "Initiating file download...",
//
//Functionality to encode HTML entities for a POST, need this if data is an object with properties whose values contains strings with quotation marks.
//HTML entity encoding is done by replacing all &,<,>,',",\r,\n characters.
//Note that some browsers will POST the string htmlentity-encoded whilst others will decode it before POSTing.
//It is recommended that on the server, htmlentity decoding is done irrespective.
//
encodeHTMLEntities: true
}, options);
var deferred = new $.Deferred();
//Setup mobile browser detection: Partial credit: http://detectmobilebrowser.com/
var userAgent = (navigator.userAgent || navigator.vendor || window.opera).toLowerCase();
var isIos; //has full support of features in iOS 4.0+, uses a new window to accomplish this.
var isAndroid; //has full support of GET features in 4.0+ by using a new window. Non-GET is completely unsupported by the browser. See above for specifying a message.
var isOtherMobileBrowser; //there is no way to reliably guess here so all other mobile devices will GET and POST to the current window.
if (/ip(ad|hone|od)/.test(userAgent)) {
isIos = true;
} else if (userAgent.indexOf('android') !== -1) {
isAndroid = true;
} else {
isOtherMobileBrowser = /avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|playbook|silk|iemobile|iris|kindle|lge |maemo|midp|mmp|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|symbian|treo|up\.(browser|link)|vodafone|wap|windows (ce|phone)|xda|xiino/i.test(userAgent) || /1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|e\-|e\/|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(di|rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|xda(\-|2|g)|yas\-|your|zeto|zte\-/i.test(userAgent.substr(0, 4));
}
var httpMethodUpper = settings.httpMethod.toUpperCase();
if (isAndroid && httpMethodUpper !== "GET") {
//the stock android browser straight up doesn't support file downloads initiated by non GET requests: http://code.google.com/p/android/issues/detail?id=1780
if ($().dialog) {
$("<div>").html(settings.androidPostUnsupportedMessageHtml).dialog(settings.dialogOptions);
} else {
alert(settings.androidPostUnsupportedMessageHtml);
}
return deferred.reject();
}
var $preparingDialog = null;
var internalCallbacks = {
onPrepare: function (url) {
//wire up a jquery dialog to display the preparing message if specified
if (settings.preparingMessageHtml) {
$preparingDialog = $("<div>").html(settings.preparingMessageHtml).dialog(settings.dialogOptions);
} else if (settings.prepareCallback) {
settings.prepareCallback(url);
}
},
onSuccess: function (url) {
//remove the perparing message if it was specified
if ($preparingDialog) {
$preparingDialog.dialog('close');
};
settings.successCallback(url);
deferred.resolve(url);
},
onFail: function (responseHtml, url) {
//remove the perparing message if it was specified
if ($preparingDialog) {
$preparingDialog.dialog('close');
};
//wire up a jquery dialog to display the fail message if specified
if (settings.failMessageHtml) {
$("<div>").html(settings.failMessageHtml).dialog(settings.dialogOptions);
}
settings.failCallback(responseHtml, url);
deferred.reject(responseHtml, url);
}
};
internalCallbacks.onPrepare(fileUrl);
//make settings.data a param string if it exists and isn't already
if (settings.data !== null && typeof settings.data !== "string") {
settings.data = $.param(settings.data);
}
var $iframe,
downloadWindow,
formDoc,
$form;
if (httpMethodUpper === "GET") {
if (settings.data !== null) {
//need to merge any fileUrl params with the data object
var qsStart = fileUrl.indexOf('?');
if (qsStart !== -1) {
//we have a querystring in the url
if (fileUrl.substring(fileUrl.length - 1) !== "&") {
fileUrl = fileUrl + "&";
}
} else {
fileUrl = fileUrl + "?";
}
fileUrl = fileUrl + settings.data;
}
if (isIos || isAndroid) {
downloadWindow = window.open(fileUrl);
downloadWindow.document.title = settings.popupWindowTitle;
window.focus();
} else if (isOtherMobileBrowser) {
window.location(fileUrl);
} else {
//create a temporary iframe that is used to request the fileUrl as a GET request
$iframe = $("<iframe>")
.hide()
.prop("src", fileUrl)
.appendTo("body");
}
} else {
var formInnerHtml = "";
if (settings.data !== null) {
$.each(settings.data.replace(/\+/g, ' ').split("&"), function () {
var kvp = this.split("=");
var key = settings.encodeHTMLEntities ? htmlSpecialCharsEntityEncode(decodeURIComponent(kvp[0])) : decodeURIComponent(kvp[0]);
if (key) {
var value = settings.encodeHTMLEntities ? htmlSpecialCharsEntityEncode(decodeURIComponent(kvp[1])) : decodeURIComponent(kvp[1]);
formInnerHtml += '<input type="hidden" name="' + key + '" value="' + value + '" />';
}
});
}
if (isOtherMobileBrowser) {
$form = $("<form>").appendTo("body");
$form.hide()
.prop('method', settings.httpMethod)
.prop('action', fileUrl)
.html(formInnerHtml);
} else {
if (isIos) {
downloadWindow = window.open("about:blank");
downloadWindow.document.title = settings.popupWindowTitle;
formDoc = downloadWindow.document;
window.focus();
} else {
$iframe = $("<iframe style='display: none' src='about:blank'></iframe>").appendTo("body");
formDoc = getiframeDocument($iframe);
}
formDoc.write("<html><head></head><body><form method='" + settings.httpMethod + "' action='" + fileUrl + "'>" + formInnerHtml + "</form>" + settings.popupWindowTitle + "</body></html>");
$form = $(formDoc).find('form');
}
$form.submit();
}
//check if the file download has completed every checkInterval ms
setTimeout(checkFileDownloadComplete, settings.checkInterval);
function checkFileDownloadComplete() {
//has the cookie been written due to a file download occuring?
if (document.cookie.indexOf(settings.cookieName + "=" + settings.cookieValue) != -1) {
//execute specified callback
internalCallbacks.onSuccess(fileUrl);
//remove the cookie and iframe
document.cookie = settings.cookieName + "=; expires=" + new Date(1000).toUTCString() + "; path=" + settings.cookiePath;
cleanUp(false);
return;
}
//has an error occured?
//if neither containers exist below then the file download is occuring on the current window
if (downloadWindow || $iframe) {
//has an error occured?
try {
var formDoc = downloadWindow ? downloadWindow.document : getiframeDocument($iframe);
if (formDoc && formDoc.body != null && formDoc.body.innerHTML.length) {
var isFailure = true;
if ($form && $form.length) {
var $contents = $(formDoc.body).contents().first();
try {
if ($contents.length && $contents[0] === $form[0]) {
isFailure = false;
}
} catch (e) {
if (e && e.number == -2146828218) {
// IE 8-10 throw a permission denied after the form reloads on the "$contents[0] === $form[0]" comparison
isFailure = true;
} else {
throw e;
}
}
}
if (isFailure) {
// IE 8-10 don't always have the full content available right away, they need a litle bit to finish
setTimeout(function () {
internalCallbacks.onFail(formDoc.body.innerHTML, fileUrl);
cleanUp(true);
}, 100);
return;
}
}
}
catch (err) {
//500 error less than IE9
internalCallbacks.onFail('', fileUrl);
cleanUp(true);
return;
}
}
//keep checking...
setTimeout(checkFileDownloadComplete, settings.checkInterval);
}
//gets an iframes document in a cross browser compatible manner
function getiframeDocument($iframe) {
var iframeDoc = $iframe[0].contentWindow || $iframe[0].contentDocument;
if (iframeDoc.document) {
iframeDoc = iframeDoc.document;
}
return iframeDoc;
}
function cleanUp(isFailure) {
setTimeout(function() {
if (downloadWindow) {
if (isAndroid) {
downloadWindow.close();
}
if (isIos) {
if (downloadWindow.focus) {
downloadWindow.focus(); //ios safari bug doesn't allow a window to be closed unless it is focused
if (isFailure) {
downloadWindow.close();
}
}
}
}
//iframe cleanup appears to randomly cause the download to fail
//not doing it seems better than failure...
//if ($iframe) {
// $iframe.remove();
//}
}, 0);
}
function htmlSpecialCharsEntityEncode(str) {
return str.replace(htmlSpecialCharsRegEx, function(match) {
return '&' + htmlSpecialCharsPlaceHolders[match];
});
}
return deferred.promise();
}
});
})(jQuery, this);