I've scenario where i want open local web page (index.html) passing parameters in query which i can used in index.html but i'm having problem as it gives error as per below,
The system cannot find the file specified.
Vb.net Code
Dim url As String = ConfigurationManager.AppSettings("Url")
url = url & "?id=" & txtFilePath.Text
//Url example
"C:\Program Files\Products\Bella\index.html?id=232"
Process.Start(url)
i do not completely understand your question but i will try.
I do not know what the value of "Url" is, neither what the txtFilePath.text is supposed to be. but if you are trying to open a URL like
localhost/index.html?id=example
in a browser, you should use that as the first parameter.
Process.Start("IExplore.exe", url)
If you are trying to get the server to read the parameter you put into the URL, i do not know if you can make html-pages get parameters like that, maybe PHP or something else? But that should not make a difference at all for launching the browser and stuff, just a heads-up :)
But if you just want to open a static html file in a browser-window, you are, as far as i know, out of luck with passing parameters, but you SHOULD test for the existence of your file, so you are completely sure it exists in that path.
File.Exists(url)
EDIT:
Since your url is "C:\Program Files\Products\Bella\index.html?id=232" i do not believe you could pass parameters, i think it will try to find a file with the extension ".html?id=232", which obviously does not exist.
It seems there are two issues:
First:
I think the reason for the error is you need to have "file://" before the URL (as Mych mentioned in the comments) in order to access a local web page. Many browsers will automatically assume the URL should have "http://" unless you specify that it's a local file.
Depending on your browser it may add more forward slashes, but two should be sufficient to get Process.Start to recognize it.
So your URL should look like this:
"file://C:\Program Files\Products\Bella\index.html?id=232"
Second:
As far as passing a parameter to the URL the best way I have found (as jakobS suggested) you would have to use:
Process.Start("IExplore.exe", url)
'or
Process.Start("Chrome.exe", url)
or whichever browser you prefer.
So you could modify your code this way:
Dim url As String = ConfigurationManager.AppSettings("Url")
url = url & "?id=" & txtFilePath.Text
'Add "file://" to the beginning of the url.
url = "file://" & url
Process.Start("IExplore.exe", url)
That should get rid of your error and load the page with your parameters.
Hope it helps!
Related
I want to validate file. While file is invalid, i want to refresh my page and inform user that he did not upload proper file. So i have this in my
views/campaign.py
try:
wb = load_workbook(mp_file)
except BadZipfile:
return redirect('campaign_add', client_id)
The only way i know how to do it is add another attribute to client class which will be
is_error(models.BooleanField())
And then change views/campaign to
try:
client.is_error = False
wb = load_workbook(mp_file)
client.save()
except BadZipfile:
client.is_error = True
client.save()
return redirect('campaign_add', client)
And with another attribute i can add in my campaign.html file some kind of if is.error is true i'm adding some kind of windows with information about bad file after reloading page. But is there any way to do it without adding another attribute?
Ok, let's imagine that the answer is a little bit complicated than you've expected.
Modern UI's are not reloading pages just to inform about some errors with user input or upload.
So what is the best user experience here?
User is uploading some file(s) from the page.
You are sending a file via JavaScript to the dedicated API endpoint for this uploading. Let's say /workbook/uploads/. You need to create a handler for this endpoint (view)
Endpoint returns 200 OK with the empty body on success or an error, let's say 400 Bad Request with detailed JSON in the body to show to the user what's wrong.
You're parsing responses in JavaScript and show the user what's wrong
No refreshes are needed. 🙌
But the particular answer will need more code from your implementation. (view, urls, template)
I am developing a Cordova App, and I use a URL parameter to manipulate or control my pages. e.g.:
file:///App/www/index.html?goto=profile
What I am trying to do is to remove the goto parameter from the URL.
An example use case: the user login using a temporary password. When the user logged in successfully the app will point them to the "change password" page, which is represented by a parameter on the url - ?goto=profile. Now the url has this parameter.
The problem here is that two parameters are set; ?goto=profile and ?goto=messages (directed the user on his inbox page). So the url now would be file:///App/www/index.html?goto=profile?goto=messages.
How to remove the ?goto=profile in the url without reloading the page?
to add multiple search query parameters, concatenate them with an ampersand (&). e.g.:
file:///App/www/index.html?goto=profile&goto=messages
if you don't want multiple parameters (they have the same name, so i presume you only want to replace the goto parameter value), just overwrite it.
i don't know the implementation used for routing, as you did not specify it in your question, but with plain javascript, it'd be something like this:
location.search = 'goto=messages';
I'm trying to define how urls are presented in the package: resource_read.html
If an url is external, meaning the url points to a resource not in the datastore, or filestore, the url presented will be created like this:
<a href="{{h.full_current_url()}}/download"title="{{h.full_current_url()}}/download">
and shows something like: http://ckan.example.com/dataset/trafic/resource/c0942853-e96e-4bc6-884c-462af7758e75/download
This works fine. But if the file was uploaded to the fileStore the url is local, and this breaks as the logic will look something like this: http://ckan.example.com/dataset/trafic/resource/a2189f9d-b4e8-4059-b87f-8fa12c865775/download/python-examples.zip
hence doing just the /download/ is not sufficient.
I tried using the helper method h.url_is_local(res.url) but it does not work as expected, can't get it to return anything other than "".
If anyone has any help or can link me to an example of how to do this properly i would appreaciate it.
My idea is to save the images which the user uploads outside the context path as follow:
D:\somefolder\myWeb\web-app\
D:\somefolder\imagesOutsideContextPath\
The code for that is the next (working locally):
String path = servletContext.getRealPath("/");
String parentFolder = new File(path).getParentFile().getParent();
String imagesFolder = parentFolder + "\\imagesOutsideContextPath";
Another idea (if this one doesn't work on server) would be to save the images in the current user's home folder as #Hoà ngLong suggested me.
But I'm not able to load the images from the view. I think this article from official documentation is not valid for that purpose. The next code desn't load anything:
<img src="D:\\somefolder\\imagesOutsideContextPath\\bestImageEver.jpg" alt="if I don't see this message, I'll be happier">
How could I use the real path instead the an url path to load these images?
There's a new plugin that makes this easy, check out http://grails.org/plugin/img-indirect
Create an action
def profileImage() {
String profilePicturePath = "${grailsApplication.config.profilePictureDirectoryPath}/${params.id}"
File file = new File(profilePicturePath)
response.contentType = URLConnection.guessContentTypeFromName(file.getName())
response.outputStream << file.bytes
response.outputStream.flush()
}
and then call this action with image name in params like:
<g:img uri="${grailsApplication.config.grails.serverURL}/controller/profileImage/${user?.profilePicture?.fileName}"/>
I have declared the image directory file in my config.groovy file like:
profilePictureDirectoryPath = '/opt/CvSurgeon/profileImages'
You can set the src to an action. With that your user will not know where your images are stored (security) and you can easily change your logic to display them.
In the action, just get your image and print the bytes. Example here.
Firstly, thank you for your reference.
It's insecure to load images using real path. The web browser should know nothing about how the pictures are saved on server, therefore not aware of the folder structure.
What I mean is that the system should use a specific URL for all your pictures, such as http://your_app/photo/user/{id}. Then to that URL, you can construct an action which gets id as a parameter, look up the photo in your file system(of course you must store the picture folder in configuration), and render the photo back.
I would like to create a relative link that switches the current protocol from http to https. The last place I worked had something set up on the server so that you could make that happen, but I don't remember much about it and I never knew how it worked.
The rationale for this is that I wouldn't need to hardcode server names in files that need to move in between production and development environments.
Is there a way for this to work in IIS 6.0?
Edit:
I am using .NET, but the "link" I'm creating will not be dynamically generated. If you really want the nitty gritty details, I am using a redirect macro in Umbraco that requires a URL to be passed in.
Here's a simple solution in VB.NET:
Imports System.Web.HttpContext
Public Shared Sub SetSSL(Optional ByVal bEnable As Boolean = False)
If bEnable Then
If Not Current.Request.IsSecureConnection Then
Dim strHTTPS As String = "https://www.mysite.com"
Current.Response.Clear()
Current.Response.Status = "301 Moved Permanently"
Current.Response.AddHeader("Location", strHTTPS & Current.Request.RawUrl)
Current.Response.End()
End If
Else
If Current.Request.IsSecureConnection Then
Dim strHTTP As String = "http://www.mysite.com"
Current.Response.Clear()
Current.Response.Status = "301 Moved Permanently"
Current.Response.AddHeader("Location", strHTTP & Current.Request.RawUrl)
Current.Response.End()
End If
End If
End Sub
Usage:
'Enable SSL
SetSSL(True)
'Disable SSL
SetSSL(False)
You could add this to the Page_Load of each of your pages. Or you could do something like I did and create a list of folders or pages that you want secured in your global.asax and set the SSL accordingly in the Application_BeginRequest method. And this will work with relative links and the HTTP or HTTPS status of a page will always be what you tell it to be in the code.
I have this code in place on several websites. But as an example, if you go to https://www.techinsurance.com you'll notice it automatically redirects to http because the home page doesn't need to be secured. And the reverse will happen if you try to hit a page that needs to be secured such as http://www.techinsurance.com/quote/login.aspx
You may notice that I'm using 301 (permanent) redirects. The side benefit here is that search engines will update their index based on a 301 redirect code.
Which language/framework are you using?
You should be able to create your own function in which you pass in the relative page and you deduce from the HttpRequest object and the Server object (again depending on the language or framework) what the host and URL are and then just simply redirect to that URL but with https as a prefix.
Here is a good CodeProject article on doing this by specifying certain directories and files that you want to use SSL. It will automatically switch these to and from https based on your needs.
I've use this for a project, and it works really well.
This is the same answer I gave here:
Yes you can. I recommend this free open source DLL that lets you designate which pages and folders need SSL and which don't:
http://www.codeproject.com/KB/web-security/WebPageSecurity_v2.aspx
So you can setup a page to be secure in your web.config like this:
<secureWebPages encryptedUri="www.example.com" unencryptedUri="www.example.com" mode="RemoteOnly" >
<files>
<add path="/MustBeSecure.aspx" secure="Secure" />
</files>
</secureWebPages>
We ended up buying ISAPI Rewrite to perform redirects at the web server level for certain URLs. That's not quite the answer I was looking for when I asked the question, but it's what works for us.