Files
NetMesh/domain/sftpDedicatedStreamPolicy.ts

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TypeScript
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/**
* Bulk transfers must use dedicated sessions when a remote host is known.
* Browse sessions are tied to a page and disappear when its terminal tab closes.
*/
export function remoteEndpointRequiresPool(params: {
isLocal: boolean;
hostId?: string;
poolAvailable: boolean;
}): boolean {
return !params.isLocal && !!params.hostId && params.poolAvailable;
}
export function resolveDedicatedStreamEndpointIds(params: {
sourceIsLocal: boolean;
targetIsLocal: boolean;
sourceHostId?: string;
targetHostId?: string;
sourcePoolSftpId?: string;
targetPoolSftpId?: string;
panelSourceSftpId?: string | null;
panelTargetSftpId?: string | null;
poolAvailable: boolean;
}): { sourceSftpId?: string; targetSftpId?: string; error?: string } {
const needSource = remoteEndpointRequiresPool({
isLocal: params.sourceIsLocal,
hostId: params.sourceHostId,
poolAvailable: params.poolAvailable,
});
const needTarget = remoteEndpointRequiresPool({
isLocal: params.targetIsLocal,
hostId: params.targetHostId,
poolAvailable: params.poolAvailable,
});
if (needSource && !params.sourcePoolSftpId) {
return { error: "Dedicated source transfer session unavailable" };
}
if (needTarget && !params.targetPoolSftpId) {
return { error: "Dedicated target transfer session unavailable" };
}
return {
sourceSftpId: params.sourceIsLocal
? undefined
: (params.sourcePoolSftpId ?? params.panelSourceSftpId ?? undefined),
targetSftpId: params.targetIsLocal
? undefined
: (params.targetPoolSftpId ?? params.panelTargetSftpId ?? undefined),
};
}
export function resolveUploadStreamTargetSftpId(params: {
requirePool: boolean;
poolSftpId?: string | null;
prepSftpId?: string | null;
}): { sftpId?: string; error?: string } {
if (params.requirePool) {
if (params.poolSftpId) return { sftpId: params.poolSftpId };
return { error: "Dedicated transfer session unavailable" };
}
return { sftpId: params.prepSftpId ?? undefined };
}
export function compressedUploadRequiresDedicatedSession(params: {
enabled: boolean;
hasDirectory: boolean;
isLocal: boolean;
hostId?: string;
}): boolean {
return params.enabled && params.hasDirectory && !params.isLocal && !!params.hostId;
}