Amazon S3 Utilities

• getPreSignedURLForS3 that generates a V4 pre signed url that expires after 5s. This allows for a short term access grant to a secured resource. It can be used in a WebAPI object to redirect a user from Appian to a resource on S3.

Can we get the increased amount of time for the URL to be active at least for a min instead of 5s?

What would be a need for more than 5s? The limit only applies b/w calculating the url and issuing a redirect inside the web api so it should be done very quickly unless you have extreme network lags b/w browser and server.

Currently using the below code which requires user to click to two times, one to generate the link and other to download to their local. Can we achieve in single click?

a!linkField(
links: {
a!dynamicLink(
label: "Click here",
saveInto: {
a!save(
local!newURI,
getPreSignedURLForS3(
secureCredentialsStoreKey: "key**",
region: "reg***",
bucketName: "buck**",
file: "filePath"
)
)
}
),
a!safeLink(label: local!docName, uri: local!newURI)
}
)

I am not sure I understand your use case but the use case for this function is to allow direct document download links - user clicks on a link, the web api validates security, generates the redirect link and the browser provides them with a pop up to download the doc. You can use other s3 plugins to satisfy your use case, either here or through the S3 connected system.

I am not sure I understand your use case but the use case for this function is to allow direct document download links - user clicks on a link, the web api validates security, generates the redirect link and the browser provides them with a pop up to download the doc. You can use other s3 plugins to satisfy your use case, either here or through the S3 connected system.

Currently using the below code which requires user to click to two times, one to generate the link and other to download to their local. Can we achieve in single click?

a!linkField(
links: {
a!dynamicLink(
label: "Click here",
saveInto: {
a!save(
local!newURI,
getPreSignedURLForS3(
secureCredentialsStoreKey: "key**",
region: "reg***",
bucketName: "buck**",
file: "filePath"
)
)
}
),
a!safeLink(label: local!docName, uri: local!newURI)
}
)