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I am trying to find the location and timezone for any IP address using the Go standard library, but could not find any solution yet.
I was experimenting to find the IP address of any client sending a request, figured one way by using go methods as below and cleaning their responses.
req.Header.Get("x-forwarded-for")
req.RemoteAddr
But once I get the IP. Is there any method in Go using the standard library to get the location and timezone of that IP, I can't make use of any third party API Calls or third party libraries. Any pointers will be helpful.
In general, no. You have to use an IP-based geolocation service, or one of the freely available geolocation libraries. The accuracy may depend on the library or service you use, and the IP address. There is also the problem of IP addresses assigned to mobile phones, etc. that move.
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I have a server with Symfony RESTful, I want to access from another server with Symfony.
I have seen some examples of php that are accessed with curl or file_get_contents, but I can't find a document for Symfony where it explains the configuration, class organization, bundle to use. There is a lot of documentation on the RESTful API, but not from the querying party.
I need to know how the query is made and how the response is handled, without reinventing the wheel.
Can you recommend a document that explains a standard organization or which bundle is usually used?
I am using Symfony 4.4
The documentation on how to access a RESTful API is written by the creator of said API. If that's you then only you know what requests to send to what route and what data to expect. You can use the API for your back end and you can have multiple front end applications that connect to it. They would all connect the same way - the way you determine. You can start of by setting up a standard RESTful API. From there it all depends on your needs. That's why you cannot find documentation for this.
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I'm making a back-end for my app using Golang the app is for android,ios and windows and i'm trying to find a way to accept payments.
Is there a package that I can use with examples?
Like some of the comments have mentioned, I also suggest choosing a preferred payment system and then using a Go client library which interfaces with that payment system's REST API.
Here are a few payment libraries: https://golanglibs.com/top?q=payment
Most of these include example files or examples in the readme. Many Go packages also use GoDoc for documentation.
The most popular one on the list there is PayPal-Go-SDK which is a Go client for the PayPal REST API.
It includes an example file: https://github.com/logpacker/PayPal-Go-SDK/blob/master/example_test.go
It has GoDoc documentation: https://godoc.org/github.com/logpacker/PayPal-Go-SDK
If you prefer to use a different payment service like Stripe, they have a similar client: https://github.com/stripe/stripe-go
They also have usage examples: https://github.com/stripe/stripe-go#usage
They also have documentation: https://godoc.org/github.com/stripe/stripe-go
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I know you can go to http://webcache.googleusercontent.com/search?q=cache:http://example.com/ to view Google's cache of any URL, but do they provide an API to hit thousands of these and pay for access?
I don't want to just make HTTP GETs to these URLs too fast and get my IP addresses banned or upset Google.
Just wondering if they offer a way to pay and do this through official channels like they do with their search API.
Google doesn't seem to have an API to access the cached results:
There are some attempts to scrape it and wrap it in APIs, such as this perl module
Other than that the Wayback Machine has an API, of cached versions of sites. Perhaps that will do?
Currently there's no tool that I've found that does it. You'd have to create your own script to individually cache a certain number of pages. To avoid Google blocking you, I suggest capping the number of urls scraped. Not ideal, but running a script 10 times is better than looking at 1000 cached urls individually. :/
If you want to see if anything you edit on your site would effect your potential rankings in Google, I'd check out SEORadar.com, they'll do that for you.
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I need a good sms gateway which I would like to host on a server. Ive seen plenty of paid services but after building everything else for my set up Im pretty sure I can take on setting up the gateway myself with some help of course ;)
However Im concerned about the reliability of most open source sms gateways and so Im not to sure which one to start messing with. What Id like to know is if anyone here has any experience using any of the opensource gateways and if so how painful/easy was the set up and also did you end up using a gsm set up or something else?
If my question seems lacking details I appologize but I just started researching them myself. If anyone could just post a link or thought on the matter that would be great :) thanks
I recommend to use Kannel WAP and SMS Gateway as quite mature product. It supports most popular SMSC protocols (SMPP, UCP, HTTP, CIMD) and provides simple HTTP API to services implementing business logic.
Maybe this SO question and its answers is helpful.
An SMS gateway requires a (paid) connection to a mobile network. You should understand your traffic volume requirements for selecting the right interfacing approach. The interfacing approach constrains your options for the technical platform.
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We are looking to fetch a list of open proxies with the intention of disallowing messages originating from those IPs to go through our system. There doesn't seem to be anything even resembling an authoritative list on the net, let alone being in a simple format that doesn't require parsing.
Has anybody done anything like this before and, if so, how did you deal with it?
You're doomed to failure -- proxies move around and change constantly. There can be no list that will ever have a significant number of them on it. There are also things like tor, which allow anyone to become a proxy for a hidden network of users.
Generally to cope with this sort of situation, you set up your server to deny access to IPs that are hitting you with too much traffic, or some other metric that indicates they're up to no good.
Just probe the incoming IP. That's what most IRC networks do to stop proxies connecting to them.